Remove CONFIG_NEW_REF_SIGNALING and cleanups

Remove CONFIG_NEW_REF_SIGNALING compiler flag and some cleanups, such as removing encoder/rdopt_data_defs.h
diff --git a/aom/aom_encoder.h b/aom/aom_encoder.h
index f2e3802..efb0267 100644
--- a/aom/aom_encoder.h
+++ b/aom/aom_encoder.h
@@ -526,12 +526,10 @@
    *
    */
   unsigned int enable_reduced_reference_set;
-#if CONFIG_NEW_REF_SIGNALING
   /*!\brief explicitly signal reference frame mapping
    *
    */
   unsigned int explicit_ref_frame_map;
-#endif  // CONFIG_NEW_REF_SIGNALING
   /*!\brief use reduced transform type set
    *
    */
diff --git a/aom/aomcx.h b/aom/aomcx.h
index de25f40..df789d1 100644
--- a/aom/aomcx.h
+++ b/aom/aomcx.h
@@ -101,35 +101,12 @@
  */
 #define AOM_EFLAG_NO_REF_ARF2 (1 << 22)
 
-#if CONFIG_NEW_REF_SIGNALING
 /*!\brief Don't update reference frames
  *
  * When this flag is set, the encoder will not update all the ref frames with
  * the contents of the current frame.
  */
 #define AOM_EFLAG_NO_UPD_ALL (1 << 23)
-#else
-/*!\brief Don't update the last frame
- *
- * When this flag is set, the encoder will not update the last frame with
- * the contents of the current frame.
- */
-#define AOM_EFLAG_NO_UPD_LAST (1 << 23)
-
-/*!\brief Don't update the golden frame
- *
- * When this flag is set, the encoder will not update the golden frame with
- * the contents of the current frame.
- */
-#define AOM_EFLAG_NO_UPD_GF (1 << 24)
-
-/*!\brief Don't update the alternate reference frame
- *
- * When this flag is set, the encoder will not update the alt ref frame with
- * the contents of the current frame.
- */
-#define AOM_EFLAG_NO_UPD_ARF (1 << 25)
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 /*!\brief Disable entropy update
  *
diff --git a/apps/aomenc.c b/apps/aomenc.c
index ebfdc3d..1ec3c2b 100644
--- a/apps/aomenc.c
+++ b/apps/aomenc.c
@@ -458,9 +458,7 @@
 #if CONFIG_IBP_DC || CONFIG_IBP_DIR
   &g_av1_codec_arg_defs.enable_ibp,
 #endif
-#if CONFIG_NEW_REF_SIGNALING
   &g_av1_codec_arg_defs.explicit_ref_frame_map,
-#endif  // CONFIG_NEW_REF_SIGNALING
   &g_av1_codec_arg_defs.max_drl_refmvs,
 #if CONFIG_REF_MV_BANK
   &g_av1_codec_arg_defs.enable_refmvbank,
@@ -718,9 +716,7 @@
 #if CONFIG_OPTFLOW_REFINEMENT
   config->enable_opfl_refine = 1;
 #endif  // CONFIG_OPTFLOW_REFINEMENT
-#if CONFIG_NEW_REF_SIGNALING
   config->explicit_ref_frame_map = 0;
-#endif  // CONFIG_NEW_REF_SIGNALING
   config->enable_intra_edge_filter = 1;
   config->enable_tx64 = 1;
   config->enable_smooth_interintra = 1;
diff --git a/av1/arg_defs.c b/av1/arg_defs.c
index 44e55ed..c7f0d6e 100644
--- a/av1/arg_defs.c
+++ b/av1/arg_defs.c
@@ -675,12 +675,10 @@
       ARG_DEF(NULL, "reduced-reference-set", 1,
               "Use reduced set of single and compound references (0: off "
               "(default), 1: on)"),
-#if CONFIG_NEW_REF_SIGNALING
   .explicit_ref_frame_map =
       ARG_DEF(NULL, "explicit-ref-frame-map", 1,
               "Explicitly signal the reference frame mapping (0: off "
               "(default), 1: on)"),
-#endif  // CONFIG_NEW_REF_SIGNALING
   .target_seq_level_idx = ARG_DEF(
       NULL, "target-seq-level-idx", 1,
       "Target sequence level index. "
diff --git a/av1/arg_defs.h b/av1/arg_defs.h
index feb1774..4afdfd6 100644
--- a/av1/arg_defs.h
+++ b/av1/arg_defs.h
@@ -266,9 +266,7 @@
   arg_def_t gf_max_pyr_height;
   arg_def_t max_reference_frames;
   arg_def_t reduced_reference_set;
-#if CONFIG_NEW_REF_SIGNALING
   arg_def_t explicit_ref_frame_map;
-#endif  // CONFIG_NEW_REF_SIGNALING
   arg_def_t target_seq_level_idx;
   arg_def_t set_min_cr;
   arg_def_t input_color_primaries;
diff --git a/av1/av1.cmake b/av1/av1.cmake
index 8a3a2cd..87796e5 100644
--- a/av1/av1.cmake
+++ b/av1/av1.cmake
@@ -251,7 +251,6 @@
   "${AOM_ROOT}/av1/encoder/rd.h"
   "${AOM_ROOT}/av1/encoder/rdopt.c"
   "${AOM_ROOT}/av1/encoder/rdopt.h"
-  "${AOM_ROOT}/av1/encoder/rdopt_data_defs.h"
   "${AOM_ROOT}/av1/encoder/rdopt_utils.h"
   "${AOM_ROOT}/av1/encoder/reconinter_enc.c"
   "${AOM_ROOT}/av1/encoder/reconinter_enc.h"
diff --git a/av1/av1_cx_iface.c b/av1/av1_cx_iface.c
index caf4f12..cd6aa58 100644
--- a/av1/av1_cx_iface.c
+++ b/av1/av1_cx_iface.c
@@ -175,9 +175,7 @@
   int enable_flip_idtx;          // enable flip and identity transform types
   int max_reference_frames;      // maximum number of references per frame
   int enable_reduced_reference_set;  // enable reduced set of references
-#if CONFIG_NEW_REF_SIGNALING
   int explicit_ref_frame_map;    // explicitly signal reference frame mapping
-#endif                           // CONFIG_NEW_REF_SIGNALING
   int enable_ref_frame_mvs;      // sequence level
   int allow_ref_frame_mvs;       // frame level
   int enable_masked_comp;        // enable masked compound for sequence
@@ -513,20 +511,18 @@
 
   7,  // max_reference_frames
   0,  // enable_reduced_reference_set
-#if CONFIG_NEW_REF_SIGNALING
-  0,    // explicit_ref_frame_map
-#endif  // CONFIG_NEW_REF_SIGNALING
-  1,    // enable_ref_frame_mvs sequence level
-  1,    // allow ref_frame_mvs frame level
-  1,    // enable masked compound at sequence level
-  1,    // enable one sided compound at sequence level
-  1,    // enable interintra compound at sequence level
-  1,    // enable smooth interintra mode
-  1,    // enable difference-weighted compound
-  1,    // enable interinter wedge compound
-  1,    // enable interintra wedge compound
-  1,    // enable_global_motion usage
-  1,    // enable_warped_motion at sequence level
+  0,  // explicit_ref_frame_map
+  1,  // enable_ref_frame_mvs sequence level
+  1,  // allow ref_frame_mvs frame level
+  1,  // enable masked compound at sequence level
+  1,  // enable one sided compound at sequence level
+  1,  // enable interintra compound at sequence level
+  1,  // enable smooth interintra mode
+  1,  // enable difference-weighted compound
+  1,  // enable interinter wedge compound
+  1,  // enable interintra wedge compound
+  1,  // enable_global_motion usage
+  1,  // enable_warped_motion at sequence level
 #if CONFIG_EXTENDED_WARP_PREDICTION
   1,  // enable_warped_causal at sequence level
   1,  // enable_warp_delta at sequence level
@@ -843,9 +839,7 @@
 
   RANGE_CHECK(extra_cfg, max_reference_frames, 3, 7);
   RANGE_CHECK(extra_cfg, enable_reduced_reference_set, 0, 1);
-#if CONFIG_NEW_REF_SIGNALING
   RANGE_CHECK(extra_cfg, explicit_ref_frame_map, 0, 1);
-#endif  // CONFIG_NEW_REF_SIGNALING
   RANGE_CHECK_HI(extra_cfg, chroma_subsampling_x, 1);
   RANGE_CHECK_HI(extra_cfg, chroma_subsampling_y, 1);
 
@@ -1039,9 +1033,7 @@
       (extra_cfg->allow_ref_frame_mvs || extra_cfg->enable_ref_frame_mvs);
   cfg->enable_onesided_comp = extra_cfg->enable_onesided_comp;
   cfg->enable_reduced_reference_set = extra_cfg->enable_reduced_reference_set;
-#if CONFIG_NEW_REF_SIGNALING
   cfg->explicit_ref_frame_map = extra_cfg->explicit_ref_frame_map;
-#endif  // CONFIG_NEW_REF_SIGNALING
   cfg->reduced_tx_type_set = extra_cfg->reduced_tx_type_set;
   cfg->max_drl_refmvs = extra_cfg->max_drl_refmvs;
 #if CONFIG_REF_MV_BANK
@@ -1160,9 +1152,7 @@
   extra_cfg->enable_ref_frame_mvs = cfg->enable_ref_frame_mvs;
   extra_cfg->enable_onesided_comp = cfg->enable_onesided_comp;
   extra_cfg->enable_reduced_reference_set = cfg->enable_reduced_reference_set;
-#if CONFIG_NEW_REF_SIGNALING
   extra_cfg->explicit_ref_frame_map = cfg->explicit_ref_frame_map;
-#endif  // CONFIG_NEW_REF_SIGNALING
   extra_cfg->reduced_tx_type_set = cfg->reduced_tx_type_set;
   extra_cfg->max_drl_refmvs = cfg->max_drl_refmvs;
 #if CONFIG_REF_MV_BANK
@@ -1621,9 +1611,7 @@
   oxcf->ref_frm_cfg.enable_reduced_reference_set =
       extra_cfg->enable_reduced_reference_set;
   oxcf->ref_frm_cfg.enable_onesided_comp = extra_cfg->enable_onesided_comp;
-#if CONFIG_NEW_REF_SIGNALING
   oxcf->ref_frm_cfg.explicit_ref_frame_map = extra_cfg->explicit_ref_frame_map;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   oxcf->row_mt = extra_cfg->row_mt;
 
@@ -2895,13 +2883,8 @@
   if (!cm->show_existing_frame) {
     // Get reference frame information
     int ref_poc[INTER_REFS_PER_FRAME];
-#if CONFIG_NEW_REF_SIGNALING
     for (int ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
       const int ref_idx = ref_frame;
-#else
-    for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-      const int ref_idx = ref_frame - LAST_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
       const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
       ref_poc[ref_idx] = buf ? (int)buf->absolute_poc : -1;
       ref_poc[ref_idx] = (ref_poc[ref_idx] == (int)cm->cur_frame->absolute_poc)
@@ -3926,12 +3909,10 @@
                               argv, err_string)) {
     extra_cfg.enable_reduced_reference_set =
         arg_parse_int_helper(&arg, err_string);
-#if CONFIG_NEW_REF_SIGNALING
   } else if (arg_match_helper(&arg,
                               &g_av1_codec_arg_defs.explicit_ref_frame_map,
                               argv, err_string)) {
     extra_cfg.explicit_ref_frame_map = arg_parse_int_helper(&arg, err_string);
-#endif  // CONFIG_NEW_REF_SIGNALING
   } else if (arg_match_helper(&arg, &g_av1_codec_arg_defs.enable_ref_frame_mvs,
                               argv, err_string)) {
     extra_cfg.enable_ref_frame_mvs = arg_parse_int_helper(&arg, err_string);
@@ -4399,11 +4380,7 @@
 #if CONFIG_OPTFLOW_REFINEMENT
         1,
 #endif  // CONFIG_OPTFLOW_REFINEMENT
-        1, 1,   1,   1, 1, 1, 3, 1, 1,
-#if CONFIG_NEW_REF_SIGNALING
-        0,
-#endif  // CONFIG_NEW_REF_SIGNALING
-        0, 0,
+        1, 1,   1,   1, 1, 1, 3, 1, 1, 0, 0, 0,
 #if CONFIG_REF_MV_BANK
         1,
 #endif  // CONFIG_REF_MV_BANK
diff --git a/av1/common/av1_common_int.h b/av1/common/av1_common_int.h
index 2f21118..cc8236a 100644
--- a/av1/common/av1_common_int.h
+++ b/av1/common/av1_common_int.h
@@ -95,7 +95,6 @@
 #define TXCOEFF_TIMER 0
 #define TXCOEFF_COST_TIMER 0
 
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_TIP
 // Some arrays (e.g. x->pred_sse and yv12_mb) are defined such that their
 // indices 0-8 correspond to inter ref0, ref1,... ref6, intra ref, and TIP ref.
@@ -118,19 +117,6 @@
 // corresponds to an unused slot allocated for convenience.
 #define COMPACT_INDEX1_NRS(r) \
   (!is_inter_ref_frame((r)) ? INTRA_FRAME_INDEX : (r))
-#else
-#if CONFIG_TIP
-// Some arrays (e.g. x->pred_sse and yv12_mb) are defined such that their
-// indices 0-8 correspond to intra ref, inter ref0, ref1,... ref6, and TIP ref.
-// This macros maps the ref_frame indices to corresponding array indices, where
-// tip ref_frame index, TIP_FRAME (REF_FRAMES + TOTAL_COMP_REFS) is
-// mapped to TIP_FRAME_INDEX (8)
-#define COMPACT_INDEX0_NRS(r) (((r) == TIP_FRAME) ? TIP_FRAME_INDEX : (r))
-// This macro is similar to the previous one, but also maps NONE_FRAME to 0,
-// which typically corresponds to an unused slot allocated for convenience.
-#define COMPACT_INDEX1_NRS(r) (((r) == NONE_FRAME) ? 0 : (r))
-#endif  // CONFIG_TIP
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_TIP || CONFIG_PEF
 // MI unit is 4x4, TMVP unit is 8x8, so there is 1 shift
@@ -261,13 +247,8 @@
   int ref_count;
 
   unsigned int order_hint;
-#if CONFIG_NEW_REF_SIGNALING
   int ref_order_hints[INTER_REFS_PER_FRAME];
   int ref_display_order_hint[INTER_REFS_PER_FRAME];
-#else
-  unsigned int ref_order_hints[INTER_REFS_PER_FRAME];
-  unsigned int ref_display_order_hint[INTER_REFS_PER_FRAME];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // These variables are used only in encoder and compare the absolute
   // display order hint to compute the relative distance and overcome
@@ -287,11 +268,7 @@
   // the sizes that can be derived from the buf structure)
   int width;
   int height;
-#if CONFIG_NEW_REF_SIGNALING
   WarpedMotionParams global_motion[INTER_REFS_PER_FRAME];
-#else
-  WarpedMotionParams global_motion[REF_FRAMES];
-#endif                 // CONFIG_NEW_REF_SIGNALING
   int showable_frame;  // frame can be used as show existing frame in future
   uint8_t film_grain_params_present;
   aom_film_grain_t film_grain_params;
@@ -310,9 +287,7 @@
   int8_t mode_deltas[MAX_MODE_LF_DELTAS];
 
   FRAME_CONTEXT frame_context;
-#if CONFIG_NEW_REF_SIGNALING
   int base_qindex;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   FrameHash raw_frame_hash;
   FrameHash grain_frame_hash;
@@ -433,17 +408,15 @@
   uint8_t frame_id_numbers_present_flag;
   int frame_id_length;
   int delta_frame_id_length;
-  BLOCK_SIZE sb_size;  // Size of the superblock used for this frame
-  int mib_size;        // Size of the superblock in units of MI blocks
-  int mib_size_log2;   // Log 2 of above.
-#if CONFIG_NEW_REF_SIGNALING
+  BLOCK_SIZE sb_size;          // Size of the superblock used for this frame
+  int mib_size;                // Size of the superblock in units of MI blocks
+  int mib_size_log2;           // Log 2 of above.
   int explicit_ref_frame_map;  // Explicitly signal the reference frame mapping
   int max_reference_frames;    // Number of reference frames allowed
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
   int num_same_ref_compound;  // Number of the allowed same reference frames for
                               // the compound mode
 #endif                        // CONFIG_ALLOW_SAME_REF_COMPOUND
-#endif
 
   OrderHintInfo order_hint_info;
 
@@ -599,9 +572,6 @@
   unsigned int frame_number;
   SkipModeInfo skip_mode_info;
   int refresh_frame_flags;  // Which ref frames are overwritten by this frame
-#if !CONFIG_NEW_REF_SIGNALING
-  int frame_refs_short_signaling;
-#endif  // !CONFIG_NEW_REF_SIGNALING
 } CurrentFrame;
 
 /*!\endcond */
@@ -1207,7 +1177,6 @@
 };
 #endif  // CONFIG_THROUGHPUT_ANALYSIS
 
-#if CONFIG_NEW_REF_SIGNALING
 /*!
  * \brief Structure to contain information about the reference frame mapping
  * scheme.
@@ -1257,7 +1226,6 @@
   int num_same_ref_compound;
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
 } RefFramesInfo;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_TIP
 /*!
@@ -1440,7 +1408,6 @@
    */
   RefCntBuffer *cur_frame;
 
-#if CONFIG_NEW_REF_SIGNALING
   /*!
    * An alternative to remapped_ref_idx (above) which contains a mapping to
    * ref_frame_map[] according to a "usefulness" score. It also contains all
@@ -1468,29 +1435,6 @@
    * have a remapped index for the same.
    */
   int remapped_ref_idx[REF_FRAMES];
-#else
-  /*!
-   * For encoder, we have a two-level mapping from reference frame type to the
-   * corresponding buffer in the buffer pool:
-   * * 'remapped_ref_idx[i - 1]' maps reference type 'i' (range: LAST_FRAME ...
-   * EXTREF_FRAME) to a remapped index 'j' (in range: 0 ... REF_FRAMES - 1)
-   * * Later, 'cm->ref_frame_map[j]' maps the remapped index 'j' to a pointer to
-   * the reference counted buffer structure RefCntBuffer, taken from the buffer
-   * pool cm->buffer_pool->frame_bufs.
-   *
-   * LAST_FRAME,                        ...,      EXTREF_FRAME
-   *      |                                           |
-   *      v                                           v
-   * remapped_ref_idx[LAST_FRAME - 1],  ...,  remapped_ref_idx[EXTREF_FRAME - 1]
-   *      |                                           |
-   *      v                                           v
-   * ref_frame_map[],                   ...,     ref_frame_map[]
-   *
-   * Note: INTRA_FRAME always refers to the current frame, so there's no need to
-   * have a remapped index for the same.
-   */
-  int remapped_ref_idx[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*!
    * Scale of the current frame with respect to itself.
@@ -1628,11 +1572,7 @@
   /*!
    * Global motion parameters for each reference frame.
    */
-#if CONFIG_NEW_REF_SIGNALING
   WarpedMotionParams global_motion[INTER_REFS_PER_FRAME];
-#else
-  WarpedMotionParams global_motion[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*!
    * Elements part of the sequence header, that are applicable for all the
@@ -1693,21 +1633,13 @@
    * ref_frame_sign_bias[k] is 1 if relative distance between reference 'k' and
    * current frame is positive; and 0 otherwise.
    */
-#if CONFIG_NEW_REF_SIGNALING
   int ref_frame_sign_bias[INTER_REFS_PER_FRAME];
-#else
-  int ref_frame_sign_bias[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   /*!
    * ref_frame_side[k] is 1 if relative distance between reference 'k' and
    * current frame is positive, -1 if relative distance is 0; and 0 otherwise.
    * TODO(jingning): This can be combined with sign_bias later.
    */
-#if CONFIG_NEW_REF_SIGNALING
   int8_t ref_frame_side[INTER_REFS_PER_FRAME];
-#else
-  int8_t ref_frame_side[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
   /*!
    * relative distance between reference 'k' and current frame.
@@ -1929,24 +1861,12 @@
   return cm->current_frame.frame_type == S_FRAME;
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 static INLINE int get_ref_frame_map_idx(const AV1_COMMON *const cm,
                                         const int ref_frame) {
   return (ref_frame >= 0 && ref_frame < REF_FRAMES)
              ? cm->remapped_ref_idx[ref_frame]
              : INVALID_IDX;
 }
-#else
-// This function takes a reference frame label between LAST_FRAME and
-// EXTREF_FRAME inclusive. Note that this is different to the indexing
-// previously used by the frame_refs[] array.
-static INLINE int get_ref_frame_map_idx(const AV1_COMMON *const cm,
-                                        const MV_REFERENCE_FRAME ref_frame) {
-  return (ref_frame >= LAST_FRAME && ref_frame <= EXTREF_FRAME)
-             ? cm->remapped_ref_idx[ref_frame - LAST_FRAME]
-             : INVALID_IDX;
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 static INLINE RefCntBuffer *get_ref_frame_buf(
     const AV1_COMMON *const cm, const MV_REFERENCE_FRAME ref_frame) {
@@ -1992,11 +1912,7 @@
     return cm->tip_ref.tip_frame;
   }
 #endif  // CONFIG_TIP
-#if CONFIG_NEW_REF_SIGNALING
   const int map_idx = get_ref_frame_map_idx(cm, primary_ref_frame);
-#else
-  const int map_idx = get_ref_frame_map_idx(cm, primary_ref_frame + 1);
-#endif  // CONFIG_NEW_REF_SIGNALING
   return (map_idx != INVALID_IDX) ? cm->ref_frame_map[map_idx] : NULL;
 }
 
diff --git a/av1/common/av1_loopfilter.c b/av1/common/av1_loopfilter.c
index a0deb78..9ada1e6 100644
--- a/av1/common/av1_loopfilter.c
+++ b/av1/common/av1_loopfilter.c
@@ -150,26 +150,16 @@
                           int plane, const MB_MODE_INFO *mbmi) {
   const int segment_id = mbmi->segment_id;
 
-// TODO(Andrey): non-CTC conditions
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
+  // TODO(Andrey): non-CTC conditions
   return lfi_n->q_thr[plane][segment_id][dir_idx][COMPACT_INDEX0_NRS(
       mbmi->ref_frame[0])][mode_lf_lut[mbmi->mode]];
-#else
-  return lfi_n->q_thr[plane][segment_id][dir_idx][mbmi->ref_frame[0]]
-                     [mode_lf_lut[mbmi->mode]];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 }
 uint16_t av1_get_filter_side(const loop_filter_info_n *lfi_n, const int dir_idx,
                              int plane, const MB_MODE_INFO *mbmi) {
   const int segment_id = mbmi->segment_id;
-// TODO(Andrey): non-CTC conditions
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
+  // TODO(Andrey): non-CTC conditions
   return lfi_n->side_thr[plane][segment_id][dir_idx][COMPACT_INDEX0_NRS(
       mbmi->ref_frame[0])][mode_lf_lut[mbmi->mode]];
-#else
-  return lfi_n->side_thr[plane][segment_id][dir_idx][mbmi->ref_frame[0]]
-                        [mode_lf_lut[mbmi->mode]];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 }
 
 #else
@@ -202,27 +192,16 @@
 
     if (cm->lf.mode_ref_delta_enabled) {
       const int scale = 1 << (lvl_seg >> 5);
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       lvl_seg +=
           cm->lf.ref_deltas[COMPACT_INDEX0_NRS(mbmi->ref_frame[0])] * scale;
       if (is_inter_ref_frame(mbmi->ref_frame[0]))
         lvl_seg += cm->lf.mode_deltas[mode_lf_lut[mbmi->mode]] * scale;
-#else
-      lvl_seg += cm->lf.ref_deltas[mbmi->ref_frame[0]] * scale;
-      if (is_inter_ref_frame(mbmi->ref_frame[0]))
-        lvl_seg += cm->lf.mode_deltas[mode_lf_lut[mbmi->mode]] * scale;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       lvl_seg = clamp(lvl_seg, 0, MAX_LOOP_FILTER);
     }
     return lvl_seg;
   } else {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     return lfi_n->lvl[plane][segment_id][dir_idx][COMPACT_INDEX0_NRS(
         mbmi->ref_frame[0])][mode_lf_lut[mbmi->mode]];
-#else
-    return lfi_n->lvl[plane][segment_id][dir_idx][mbmi->ref_frame[0]]
-                     [mode_lf_lut[mbmi->mode]];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   }
 }
 #endif  // CONFIG_NEW_DF
@@ -373,18 +352,11 @@
           // zero when not in use; encoder always uses deltas
 #if CONFIG_NEW_DF
           int ref, mode;
-#if CONFIG_NEW_REF_SIGNALING
           lfi->q_thr[plane][seg_id][dir][INTRA_FRAME_INDEX][0] = q_thr_seg;
           lfi->side_thr[plane][seg_id][dir][INTRA_FRAME_INDEX][0] =
               side_thr_seg;
 
           for (ref = 0; ref < INTER_REFS_PER_FRAME; ++ref) {
-#else
-          lfi->q_thr[plane][seg_id][dir][INTRA_FRAME][0] = q_thr_seg;
-          lfi->side_thr[plane][seg_id][dir][INTRA_FRAME][0] = side_thr_seg;
-
-          for (ref = LAST_FRAME; ref < REF_FRAMES; ++ref) {
-#endif  // CONFIG_NEW_REF_SIGNALING
             for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
               lfi->q_thr[plane][seg_id][dir][ref][mode] = q_thr_seg;
               lfi->side_thr[plane][seg_id][dir][ref][mode] = side_thr_seg;
@@ -407,7 +379,6 @@
           // zero when not in use; encoder always uses deltas
           const int scale = 4;
           int ref, mode;
-#if CONFIG_NEW_REF_SIGNALING
           lfi->q_thr[plane][seg_id][dir][INTRA_FRAME_INDEX][0] =
               df_quant_from_qindex(
                   q_ind_seg + lf->ref_deltas[INTRA_FRAME_INDEX] * scale,
@@ -418,17 +389,6 @@
                   cm->seq_params.bit_depth);  // TODO: use a different delta?
 
           for (ref = 0; ref < INTER_REFS_PER_FRAME; ++ref) {
-#else
-          lfi->q_thr[plane][seg_id][dir][INTRA_FRAME][0] = df_quant_from_qindex(
-              q_ind_seg + lf->ref_deltas[INTRA_FRAME] * scale,
-              cm->seq_params.bit_depth);
-          lfi->side_thr[plane][seg_id][dir][INTRA_FRAME][0] =
-              df_side_from_qindex(
-                  side_ind_seg + lf->ref_deltas[INTRA_FRAME] * scale,
-                  cm->seq_params.bit_depth);  // TODO: use a different delta?
-
-          for (ref = LAST_FRAME; ref < REF_FRAMES; ++ref) {
-#endif  // CONFIG_NEW_REF_SIGNALING
             for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
               lfi->q_thr[plane][seg_id][dir][ref][mode] =
                   df_quant_from_qindex(q_ind_seg + lf->ref_deltas[ref] * scale +
@@ -458,18 +418,11 @@
 #else
           int ref, mode;
           const int scale = 1 << (lvl_seg >> 5);
-#if CONFIG_NEW_REF_SIGNALING
           const int intra_lvl =
               lvl_seg + lf->ref_deltas[INTRA_FRAME_INDEX] * scale;
           lfi->lvl[plane][seg_id][dir][INTRA_FRAME_INDEX][0] =
               clamp(intra_lvl, 0, MAX_LOOP_FILTER);
           for (ref = 0; ref < INTER_REFS_PER_FRAME; ++ref) {
-#else
-          const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale;
-          lfi->lvl[plane][seg_id][dir][INTRA_FRAME][0] =
-              clamp(intra_lvl, 0, MAX_LOOP_FILTER);
-          for (ref = LAST_FRAME; ref < REF_FRAMES; ++ref) {
-#endif  // CONFIG_NEW_REF_SIGNALING
             for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
               const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale +
                                     lf->mode_deltas[mode] * scale;
@@ -547,18 +500,11 @@
         } else {
           int ref, mode;
           const int scale = 1 << (lvl_seg >> 5);
-#if CONFIG_NEW_REF_SIGNALING
           const int intra_lvl =
               lvl_seg + lf->ref_deltas[INTRA_FRAME_INDEX] * scale;
           lfi->lvl[plane][seg_id][dir][INTRA_FRAME_INDEX][0] =
               clamp(intra_lvl, 0, MAX_LOOP_FILTER);
           for (ref = 0; ref < INTER_REFS_PER_FRAME; ++ref) {
-#else
-          const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale;
-          lfi->lvl[plane][seg_id][dir][INTRA_FRAME][0] =
-              clamp(intra_lvl, 0, MAX_LOOP_FILTER);
-          for (ref = LAST_FRAME; ref < REF_FRAMES; ++ref) {
-#endif  // CONFIG_NEW_REF_SIGNALING
             for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
               const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale +
                                     lf->mode_deltas[mode] * scale;
diff --git a/av1/common/av1_loopfilter.h b/av1/common/av1_loopfilter.h
index 898ad0e..094bbb4 100644
--- a/av1/common/av1_loopfilter.h
+++ b/av1/common/av1_loopfilter.h
@@ -128,11 +128,7 @@
   uint8_t mode_ref_delta_enabled;
   uint8_t mode_ref_delta_update;
 
-#if CONFIG_NEW_REF_SIGNALING
   // The order is based on the ranked references.
-#else
-  // 0 = Intra, Last, Last2+Last3, GF, BRF, ARF2, ARF
-#endif  // CONFIG_NEW_REF_SIGNALING
   int8_t ref_deltas[SINGLE_REF_FRAMES];
 
   // 0 = ZERO_MV, MV
diff --git a/av1/common/blockd.h b/av1/common/blockd.h
index 7fa62ce..ba3925f 100644
--- a/av1/common/blockd.h
+++ b/av1/common/blockd.h
@@ -708,12 +708,8 @@
 }
 
 static INLINE int is_inter_ref_frame(MV_REFERENCE_FRAME ref_frame) {
-#if CONFIG_NEW_REF_SIGNALING
   return ref_frame != INTRA_FRAME && ref_frame != INTRA_FRAME_INDEX &&
          ref_frame != NONE_FRAME;
-#else
-  return ref_frame > INTRA_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 #if CONFIG_TIP
@@ -914,45 +910,6 @@
   return is_inter_ref_frame(mbmi->ref_frame[1]);
 }
 
-#if !CONFIG_NEW_REF_SIGNALING
-static INLINE int has_uni_comp_refs(const MB_MODE_INFO *mbmi) {
-  return has_second_ref(mbmi) && (!((mbmi->ref_frame[0] >= BWDREF_FRAME) ^
-                                    (mbmi->ref_frame[1] >= BWDREF_FRAME)));
-}
-
-static INLINE MV_REFERENCE_FRAME comp_ref0(int ref_idx) {
-  static const MV_REFERENCE_FRAME lut[] = {
-    LAST_FRAME,     // LAST_LAST2_FRAMES,
-    LAST_FRAME,     // LAST_LAST3_FRAMES,
-    LAST_FRAME,     // LAST_GOLDEN_FRAMES,
-    BWDREF_FRAME,   // BWDREF_ALTREF_FRAMES,
-    LAST2_FRAME,    // LAST2_LAST3_FRAMES
-    LAST2_FRAME,    // LAST2_GOLDEN_FRAMES,
-    LAST3_FRAME,    // LAST3_GOLDEN_FRAMES,
-    BWDREF_FRAME,   // BWDREF_ALTREF2_FRAMES,
-    ALTREF2_FRAME,  // ALTREF2_ALTREF_FRAMES,
-  };
-  assert(NELEMENTS(lut) == TOTAL_UNIDIR_COMP_REFS);
-  return lut[ref_idx];
-}
-
-static INLINE MV_REFERENCE_FRAME comp_ref1(int ref_idx) {
-  static const MV_REFERENCE_FRAME lut[] = {
-    LAST2_FRAME,    // LAST_LAST2_FRAMES,
-    LAST3_FRAME,    // LAST_LAST3_FRAMES,
-    GOLDEN_FRAME,   // LAST_GOLDEN_FRAMES,
-    ALTREF_FRAME,   // BWDREF_ALTREF_FRAMES,
-    LAST3_FRAME,    // LAST2_LAST3_FRAMES
-    GOLDEN_FRAME,   // LAST2_GOLDEN_FRAMES,
-    GOLDEN_FRAME,   // LAST3_GOLDEN_FRAMES,
-    ALTREF2_FRAME,  // BWDREF_ALTREF2_FRAMES,
-    ALTREF_FRAME,   // ALTREF2_ALTREF_FRAMES,
-  };
-  assert(NELEMENTS(lut) == TOTAL_UNIDIR_COMP_REFS);
-  return lut[ref_idx];
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 #if CONFIG_AIMC
 PREDICTION_MODE av1_get_joint_mode(const MB_MODE_INFO *mi);
 #else
@@ -2089,11 +2046,7 @@
    * Counts of each reference frame in the above and left neighboring blocks.
    * NOTE: Take into account both single and comp references.
    */
-#if CONFIG_NEW_REF_SIGNALING
   uint8_t neighbors_ref_counts[INTER_REFS_PER_FRAME];
-#else
-  uint8_t neighbors_ref_counts[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*!
    * Current CDFs of all the symbols for the current tile.
diff --git a/av1/common/entropy.c b/av1/common/entropy.c
index 2ac8cd3..34fd0fb 100644
--- a/av1/common/entropy.c
+++ b/av1/common/entropy.c
@@ -225,15 +225,8 @@
   RESET_CDF_COUNTER(fc->palette_uv_mode_cdf, 2);
   RESET_CDF_COUNTER(fc->comp_inter_cdf, 2);
   RESET_CDF_COUNTER(fc->single_ref_cdf, 2);
-#if CONFIG_NEW_REF_SIGNALING
   RESET_CDF_COUNTER(fc->comp_ref0_cdf, 2);
   RESET_CDF_COUNTER(fc->comp_ref1_cdf, 2);
-#else
-  RESET_CDF_COUNTER(fc->comp_ref_cdf, 2);
-  RESET_CDF_COUNTER(fc->comp_ref_type_cdf, 2);
-  RESET_CDF_COUNTER(fc->uni_comp_ref_cdf, 2);
-  RESET_CDF_COUNTER(fc->comp_bwdref_cdf, 2);
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_TX_PARTITION
   // Square blocks
   RESET_CDF_COUNTER(fc->inter_4way_txfm_partition_cdf[0], 4);
diff --git a/av1/common/entropymode.c b/av1/common/entropymode.c
index 40bda79..6d3ecec 100644
--- a/av1/common/entropymode.c
+++ b/av1/common/entropymode.c
@@ -1964,7 +1964,6 @@
             { AOM_CDF2(2901) } };
 #endif  // CONFIG_NEW_CONTEXT_MODELING
 
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_CONTEXT_MODELING
 static const aom_cdf_prob
     default_single_ref_cdf[REF_CONTEXTS][INTER_REFS_PER_FRAME - 1]
@@ -2183,60 +2182,6 @@
                                                      { AOM_CDF2(1696) } } }
                                                };
 #endif  // CONFIG_NEW_CONTEXT_MODELING
-#else
-static const aom_cdf_prob default_comp_ref_type_cdf[COMP_REF_TYPE_CONTEXTS]
-                                                   [CDF_SIZE(2)] = {
-                                                     { AOM_CDF2(1198) },
-                                                     { AOM_CDF2(2070) },
-                                                     { AOM_CDF2(9166) },
-                                                     { AOM_CDF2(7499) },
-                                                     { AOM_CDF2(22475) }
-                                                   };
-
-static const aom_cdf_prob
-    default_uni_comp_ref_cdf[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS -
-                                                    1][CDF_SIZE(2)] = {
-      { { AOM_CDF2(5284) }, { AOM_CDF2(3865) }, { AOM_CDF2(3128) } },
-      { { AOM_CDF2(23152) }, { AOM_CDF2(14173) }, { AOM_CDF2(15270) } },
-      { { AOM_CDF2(31774) }, { AOM_CDF2(25120) }, { AOM_CDF2(26710) } }
-    };
-
-static const aom_cdf_prob default_single_ref_cdf[REF_CONTEXTS][SINGLE_REFS - 1]
-                                                [CDF_SIZE(2)] = {
-                                                  { { AOM_CDF2(4897) },
-                                                    { AOM_CDF2(1555) },
-                                                    { AOM_CDF2(4236) },
-                                                    { AOM_CDF2(8650) },
-                                                    { AOM_CDF2(904) },
-                                                    { AOM_CDF2(1444) } },
-                                                  { { AOM_CDF2(16973) },
-                                                    { AOM_CDF2(16751) },
-                                                    { AOM_CDF2(19647) },
-                                                    { AOM_CDF2(24773) },
-                                                    { AOM_CDF2(11014) },
-                                                    { AOM_CDF2(15087) } },
-                                                  { { AOM_CDF2(29744) },
-                                                    { AOM_CDF2(30279) },
-                                                    { AOM_CDF2(31194) },
-                                                    { AOM_CDF2(31895) },
-                                                    { AOM_CDF2(26875) },
-                                                    { AOM_CDF2(30304) } }
-                                                };
-
-static const aom_cdf_prob
-    default_comp_ref_cdf[REF_CONTEXTS][FWD_REFS - 1][CDF_SIZE(2)] = {
-      { { AOM_CDF2(4946) }, { AOM_CDF2(9468) }, { AOM_CDF2(1503) } },
-      { { AOM_CDF2(19891) }, { AOM_CDF2(22441) }, { AOM_CDF2(15160) } },
-      { { AOM_CDF2(30731) }, { AOM_CDF2(31059) }, { AOM_CDF2(27544) } }
-    };
-
-static const aom_cdf_prob
-    default_comp_bwdref_cdf[REF_CONTEXTS][BWD_REFS - 1][CDF_SIZE(2)] = {
-      { { AOM_CDF2(2235) }, { AOM_CDF2(1423) } },
-      { { AOM_CDF2(17182) }, { AOM_CDF2(15175) } },
-      { { AOM_CDF2(30606) }, { AOM_CDF2(30489) } }
-    };
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 static const aom_cdf_prob
     default_palette_y_size_cdf[PALATTE_BSIZE_CTXS][CDF_SIZE(PALETTE_SIZES)] = {
@@ -3098,15 +3043,8 @@
   av1_copy(fc->palette_y_mode_cdf, default_palette_y_mode_cdf);
   av1_copy(fc->palette_uv_mode_cdf, default_palette_uv_mode_cdf);
   av1_copy(fc->single_ref_cdf, default_single_ref_cdf);
-#if CONFIG_NEW_REF_SIGNALING
   av1_copy(fc->comp_ref0_cdf, default_comp_ref0_cdf);
   av1_copy(fc->comp_ref1_cdf, default_comp_ref1_cdf);
-#else
-  av1_copy(fc->comp_ref_cdf, default_comp_ref_cdf);
-  av1_copy(fc->comp_ref_type_cdf, default_comp_ref_type_cdf);
-  av1_copy(fc->uni_comp_ref_cdf, default_uni_comp_ref_cdf);
-  av1_copy(fc->comp_bwdref_cdf, default_comp_bwdref_cdf);
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_TX_PARTITION
   av1_copy(fc->inter_4way_txfm_partition_cdf,
            default_inter_4way_txfm_partition_cdf);
@@ -3286,7 +3224,6 @@
 void av1_set_default_ref_deltas(int8_t *ref_deltas) {
   assert(ref_deltas != NULL);
 
-#if CONFIG_NEW_REF_SIGNALING
   ref_deltas[0] = -1;
   ref_deltas[1] = -1;
   ref_deltas[2] = -1;
@@ -3295,16 +3232,6 @@
   ref_deltas[5] = 0;
   ref_deltas[6] = 0;
   ref_deltas[INTRA_FRAME_INDEX] = 1;
-#else
-  ref_deltas[INTRA_FRAME] = 1;
-  ref_deltas[LAST_FRAME] = 0;
-  ref_deltas[LAST2_FRAME] = ref_deltas[LAST_FRAME];
-  ref_deltas[LAST3_FRAME] = ref_deltas[LAST_FRAME];
-  ref_deltas[BWDREF_FRAME] = ref_deltas[LAST_FRAME];
-  ref_deltas[GOLDEN_FRAME] = -1;
-  ref_deltas[ALTREF2_FRAME] = -1;
-  ref_deltas[ALTREF_FRAME] = -1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_TIP
   ref_deltas[TIP_FRAME_INDEX] = 0;
 #endif  // CONFIG_TIP
@@ -3340,11 +3267,7 @@
   // TODO(jack.haughton@argondesign.com): don't think this should be necessary,
   // but could do with fuller testing
   if (cm->tiles.large_scale) {
-#if CONFIG_NEW_REF_SIGNALING
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-    for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       RefCntBuffer *const buf = get_ref_frame_buf(cm, i);
       if (buf != NULL) buf->frame_context = *cm->fc;
     }
diff --git a/av1/common/entropymode.h b/av1/common/entropymode.h
index 2dafcf9..06369e1b 100644
--- a/av1/common/entropymode.h
+++ b/av1/common/entropymode.h
@@ -72,7 +72,6 @@
 #define FSC_BSIZE_CONTEXTS 5
 #endif  // CONFIG_FORWARDSKIP
 
-#if CONFIG_NEW_REF_SIGNALING
 #define COMPREF_BIT_TYPES 2
 #define RANKED_REF0_TO_PRUNE 3
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -81,7 +80,6 @@
         // coumpound prediction
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
 #define MAX_REFS_ARF 4
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_WIENER_NONSEP
 #define WIENERNS_REDUCE_STEPS 5
@@ -250,7 +248,6 @@
                                  [CDF_SIZE(2)];
   aom_cdf_prob palette_uv_mode_cdf[PALETTE_UV_MODE_CONTEXTS][CDF_SIZE(2)];
   aom_cdf_prob comp_inter_cdf[COMP_INTER_CONTEXTS][CDF_SIZE(2)];
-#if CONFIG_NEW_REF_SIGNALING
   aom_cdf_prob single_ref_cdf[REF_CONTEXTS][INTER_REFS_PER_FRAME - 1]
                              [CDF_SIZE(2)];
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -264,14 +261,6 @@
   aom_cdf_prob comp_ref1_cdf[REF_CONTEXTS][COMPREF_BIT_TYPES]
                             [INTER_REFS_PER_FRAME - 2][CDF_SIZE(2)];
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#else
-  aom_cdf_prob single_ref_cdf[REF_CONTEXTS][SINGLE_REFS - 1][CDF_SIZE(2)];
-  aom_cdf_prob comp_ref_type_cdf[COMP_REF_TYPE_CONTEXTS][CDF_SIZE(2)];
-  aom_cdf_prob uni_comp_ref_cdf[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS - 1]
-                               [CDF_SIZE(2)];
-  aom_cdf_prob comp_ref_cdf[REF_CONTEXTS][FWD_REFS - 1][CDF_SIZE(2)];
-  aom_cdf_prob comp_bwdref_cdf[REF_CONTEXTS][BWD_REFS - 1][CDF_SIZE(2)];
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_TX_PARTITION
   aom_cdf_prob inter_4way_txfm_partition_cdf[2][TXFM_PARTITION_INTER_CONTEXTS]
                                             [CDF_SIZE(4)];
diff --git a/av1/common/enums.h b/av1/common/enums.h
index d71820a..966a471 100644
--- a/av1/common/enums.h
+++ b/av1/common/enums.h
@@ -605,19 +605,6 @@
 #define INTRA_TX_SET2 5
 #endif  // CONFIG_FORWARDSKIP
 
-#if !CONFIG_NEW_REF_SIGNALING
-enum {
-  AOM_LAST_FLAG = 1 << 0,
-  AOM_LAST2_FLAG = 1 << 1,
-  AOM_LAST3_FLAG = 1 << 2,
-  AOM_GOLD_FLAG = 1 << 3,
-  AOM_BWD_FLAG = 1 << 4,
-  AOM_ALT2_FLAG = 1 << 5,
-  AOM_ALT_FLAG = 1 << 6,
-  AOM_REFFRAME_ALL = (1 << 7) - 1
-} UENUM1BYTE(AOM_REFFRAME);
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 enum {
   UNIDIR_COMP_REFERENCE,
   BIDIR_COMP_REFERENCE,
@@ -981,7 +968,6 @@
 #define TIP_CONTEXTS 3
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
 #define INTER_REFS_PER_FRAME 7
 #define REF_FRAMES (INTER_REFS_PER_FRAME + 1)
 // NOTE: A limited number of unidirectional reference pairs can be signalled for
@@ -1021,46 +1007,6 @@
 #define INTRA_FRAME_INDEX INTER_REFS_PER_FRAME
 #define NONE_FRAME INVALID_IDX
 #define AOM_REFFRAME_ALL ((1 << INTER_REFS_PER_FRAME) - 1)
-#else
-// An enum for single reference types (and some derived values).
-enum {
-  NONE_FRAME = -1,
-  INTRA_FRAME,
-  LAST_FRAME,
-  LAST2_FRAME,
-  LAST3_FRAME,
-  GOLDEN_FRAME,
-  BWDREF_FRAME,
-  ALTREF2_FRAME,
-  ALTREF_FRAME,
-  REF_FRAMES,
-
-  // Extra/scratch reference frame. It may be:
-  // - used to update the ALTREF2_FRAME ref (see lshift_bwd_ref_frames()), or
-  // - updated from ALTREF2_FRAME ref (see rshift_bwd_ref_frames()).
-  EXTREF_FRAME = REF_FRAMES,
-
-  // Number of inter (non-intra) reference types.
-  INTER_REFS_PER_FRAME = ALTREF_FRAME - LAST_FRAME + 1,
-
-  // Number of forward (aka past) reference types.
-  FWD_REFS = GOLDEN_FRAME - LAST_FRAME + 1,
-
-  // Number of backward (aka future) reference types.
-  BWD_REFS = ALTREF_FRAME - BWDREF_FRAME + 1,
-
-  SINGLE_REFS = FWD_REFS + BWD_REFS,
-};
-
-// NOTE: A limited number of unidirectional reference pairs can be signalled for
-//       compound prediction. The use of skip mode, on the other hand, makes it
-//       possible to have a reference pair not listed for explicit signaling.
-#if CONFIG_TIP
-#define MODE_CTX_REF_FRAMES (REF_FRAMES + TOTAL_COMP_REFS + 1)
-#else
-#define MODE_CTX_REF_FRAMES (REF_FRAMES + TOTAL_COMP_REFS)
-#endif  // CONFIG_TIP
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #define REF_FRAMES_LOG2 3
 
@@ -1072,24 +1018,6 @@
 #define FWD_RF_OFFSET(ref) (ref - LAST_FRAME)
 #define BWD_RF_OFFSET(ref) (ref - BWDREF_FRAME)
 
-#if !CONFIG_NEW_REF_SIGNALING
-enum {
-  LAST_LAST2_FRAMES,      // { LAST_FRAME, LAST2_FRAME }
-  LAST_LAST3_FRAMES,      // { LAST_FRAME, LAST3_FRAME }
-  LAST_GOLDEN_FRAMES,     // { LAST_FRAME, GOLDEN_FRAME }
-  BWDREF_ALTREF_FRAMES,   // { BWDREF_FRAME, ALTREF_FRAME }
-  LAST2_LAST3_FRAMES,     // { LAST2_FRAME, LAST3_FRAME }
-  LAST2_GOLDEN_FRAMES,    // { LAST2_FRAME, GOLDEN_FRAME }
-  LAST3_GOLDEN_FRAMES,    // { LAST3_FRAME, GOLDEN_FRAME }
-  BWDREF_ALTREF2_FRAMES,  // { BWDREF_FRAME, ALTREF2_FRAME }
-  ALTREF2_ALTREF_FRAMES,  // { ALTREF2_FRAME, ALTREF_FRAME }
-  TOTAL_UNIDIR_COMP_REFS,
-  // NOTE: UNIDIR_COMP_REFS is the number of uni-directional reference pairs
-  //       that are explicitly signaled.
-  UNIDIR_COMP_REFS = BWDREF_ALTREF_FRAMES + 1,
-} UENUM1BYTE(UNIDIR_COMP_REF);
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 #define TOTAL_COMP_REFS (FWD_REFS * BWD_REFS + TOTAL_UNIDIR_COMP_REFS)
 
 #define COMP_REFS (FWD_REFS * BWD_REFS + UNIDIR_COMP_REFS)
diff --git a/av1/common/mvref_common.c b/av1/common/mvref_common.c
index af1d237..7352ada 100644
--- a/av1/common/mvref_common.c
+++ b/av1/common/mvref_common.c
@@ -427,7 +427,6 @@
 
 #if CONFIG_SKIP_MODE_DRL_WITH_REF_IDX
   if (mbmi->skip_mode) {
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_TIP
     if (!is_tip_ref_frame(candidate->ref_frame[0]) &&
         !is_tip_ref_frame(candidate->ref_frame[1]) &&
@@ -437,10 +436,6 @@
     if (is_inter_ref_frame(candidate->ref_frame[0]) &&
         is_inter_ref_frame(candidate->ref_frame[1])) {
 #endif
-#else
-    if (candidate->ref_frame[0] >= LAST_FRAME ||
-        candidate->ref_frame[1] >= LAST_FRAME) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       int_mv this_refmv[2];
       for (ref = 0; ref < 2; ++ref) {
         if (is_global_mv_block(candidate, gm_params[rf[ref]].wmtype))
@@ -2833,11 +2828,7 @@
     const int allow_high_precision_mv = cm->features.allow_high_precision_mv;
     const int force_integer_mv = cm->features.cur_frame_force_integer_mv;
 #endif
-#if CONFIG_NEW_REF_SIGNALING
     if (ref_frame < INTER_REFS_PER_FRAME) {
-#else
-    if (ref_frame < REF_FRAMES) {
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_FLEX_MVRES
       gm_mv[0] = get_warp_motion_vector(&cm->global_motion[ref_frame],
                                         fr_mv_precision, bsize, mi_col, mi_row);
@@ -2961,7 +2952,6 @@
   cm->cur_frame->pyramid_level = cm->current_frame.pyramid_level;
 
   MV_REFERENCE_FRAME ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
     const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
     if (buf != NULL && ref_frame < cm->ref_frames_info.num_total_refs) {
@@ -2973,42 +2963,15 @@
       cm->cur_frame->ref_display_order_hint[ref_frame] = -1;
     }
   }
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
-    if (buf != NULL) {
-      cm->cur_frame->ref_order_hints[ref_frame - LAST_FRAME] = buf->order_hint;
-      cm->cur_frame->ref_display_order_hint[ref_frame - LAST_FRAME] =
-          buf->display_order_hint;
-    }
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 void av1_setup_frame_sign_bias(AV1_COMMON *cm) {
-#if CONFIG_NEW_REF_SIGNALING
   memset(&cm->ref_frame_sign_bias, 0, sizeof(cm->ref_frame_sign_bias));
   for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_future_refs;
        ++ref_frame) {
     const int index = cm->ref_frames_info.future_refs[ref_frame];
     cm->ref_frame_sign_bias[index] = 1;
   }
-#else
-  MV_REFERENCE_FRAME ref_frame;
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
-    if (cm->seq_params.order_hint_info.enable_order_hint && buf != NULL) {
-      const int ref_order_hint = buf->order_hint;
-      cm->ref_frame_sign_bias[ref_frame] =
-          (get_relative_dist(&cm->seq_params.order_hint_info, ref_order_hint,
-                             (int)cm->current_frame.order_hint) <= 0)
-              ? 0
-              : 1;
-    } else {
-      cm->ref_frame_sign_bias[ref_frame] = 0;
-    }
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 #if !CONFIG_TIP
@@ -3059,11 +3022,7 @@
                                        MV_REFERENCE_FRAME start_frame, int dir,
                                        int overwrite_mv) {
   TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
-#if CONFIG_NEW_REF_SIGNALING
   int ref_offset[INTER_REFS_PER_FRAME] = { 0 };
-#else
-  int ref_offset[REF_FRAMES] = { 0 };
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const RefCntBuffer *const start_frame_buf =
       get_ref_frame_buf(cm, start_frame);
@@ -3087,7 +3046,6 @@
   assert(start_frame_buf->width == cm->width &&
          start_frame_buf->height == cm->height);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
   for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) {
     if (ref_order_hints[rf] != -1) {
@@ -3100,19 +3058,6 @@
           start_to_current_frame_offset, ref_abs_offset[rf]);
     }
   }
-#else
-  const unsigned int *const ref_order_hints =
-      &start_frame_buf->ref_order_hints[0];
-  for (MV_REFERENCE_FRAME rf = LAST_FRAME; rf <= INTER_REFS_PER_FRAME; ++rf) {
-    ref_offset[rf] = get_relative_dist(&cm->seq_params.order_hint_info,
-                                       start_frame_order_hint,
-                                       ref_order_hints[rf - LAST_FRAME]);
-    has_bwd_ref |= (ref_offset[rf] < 0);
-    ref_abs_offset[rf] = abs(ref_offset[rf]);
-    temporal_scale_factor[rf] = tip_derive_scale_factor(
-        start_to_current_frame_offset, ref_abs_offset[rf]);
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
   if (has_bwd_ref == 0) return 0;
 
   MV_REF *mv_ref_base = start_frame_buf->mvs;
@@ -3168,11 +3113,7 @@
                                    MV_REFERENCE_FRAME start_frame, int dir,
                                    int overwrite_mv) {
   TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
-#if CONFIG_NEW_REF_SIGNALING
   int ref_offset[INTER_REFS_PER_FRAME] = { 0 };
-#else
-  int ref_offset[REF_FRAMES] = { 0 };
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const RefCntBuffer *const start_frame_buf =
       get_ref_frame_buf(cm, start_frame);
@@ -3195,7 +3136,6 @@
   assert(start_frame_buf->width == cm->width &&
          start_frame_buf->height == cm->height);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
   for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) {
     if (ref_order_hints[rf] != -1) {
@@ -3207,18 +3147,6 @@
           start_to_current_frame_offset, ref_abs_offset[rf]);
     }
   }
-#else
-  const unsigned int *const ref_order_hints =
-      &start_frame_buf->ref_order_hints[0];
-  for (MV_REFERENCE_FRAME rf = LAST_FRAME; rf <= INTER_REFS_PER_FRAME; ++rf) {
-    ref_offset[rf] = get_relative_dist(&cm->seq_params.order_hint_info,
-                                       start_frame_order_hint,
-                                       ref_order_hints[rf - LAST_FRAME]);
-    ref_abs_offset[rf] = abs(ref_offset[rf]);
-    temporal_scale_factor[rf] = tip_derive_scale_factor(
-        start_to_current_frame_offset, ref_abs_offset[rf]);
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   MV_REF *mv_ref_base = start_frame_buf->mvs;
   const int mvs_rows =
@@ -3276,11 +3204,7 @@
                                        MV_REFERENCE_FRAME start_frame, int dir,
                                        int overwrite_mv) {
   TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
-#if CONFIG_NEW_REF_SIGNALING
   int ref_offset[INTER_REFS_PER_FRAME] = { 0 };
-#else
-  int ref_offset[REF_FRAMES] = { 0 };
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const RefCntBuffer *const start_frame_buf =
       get_ref_frame_buf(cm, start_frame);
@@ -3294,7 +3218,6 @@
   assert(start_frame_buf->width == cm->width &&
          start_frame_buf->height == cm->height);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
   for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) {
     if (ref_order_hints[rf] != -1)
@@ -3302,15 +3225,6 @@
           get_relative_dist(&cm->seq_params.order_hint_info,
                             start_frame_order_hint, ref_order_hints[rf]);
   }
-#else
-  const unsigned int *const ref_order_hints =
-      &start_frame_buf->ref_order_hints[0];
-  for (MV_REFERENCE_FRAME rf = LAST_FRAME; rf <= INTER_REFS_PER_FRAME; ++rf) {
-    ref_offset[rf] = get_relative_dist(&cm->seq_params.order_hint_info,
-                                       start_frame_order_hint,
-                                       ref_order_hints[rf - LAST_FRAME]);
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   if (dir == 2) start_to_current_frame_offset = -start_to_current_frame_offset;
 
@@ -3365,11 +3279,7 @@
                                    MV_REFERENCE_FRAME start_frame, int dir,
                                    int overwrite_mv) {
   TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
-#if CONFIG_NEW_REF_SIGNALING
   int ref_offset[INTER_REFS_PER_FRAME] = { 0 };
-#else
-  int ref_offset[REF_FRAMES] = { 0 };
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const RefCntBuffer *const start_frame_buf =
       get_ref_frame_buf(cm, start_frame);
@@ -3383,7 +3293,6 @@
   assert(start_frame_buf->width == cm->width &&
          start_frame_buf->height == cm->height);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
   for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) {
     if (ref_order_hints[rf] != -1)
@@ -3391,15 +3300,6 @@
           get_relative_dist(&cm->seq_params.order_hint_info,
                             start_frame_order_hint, ref_order_hints[rf]);
   }
-#else
-  const unsigned int *const ref_order_hints =
-      &start_frame_buf->ref_order_hints[0];
-  for (MV_REFERENCE_FRAME rf = LAST_FRAME; rf <= INTER_REFS_PER_FRAME; ++rf) {
-    ref_offset[rf] = get_relative_dist(&cm->seq_params.order_hint_info,
-                                       start_frame_order_hint,
-                                       ref_order_hints[rf - LAST_FRAME]);
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   if (dir == 2) start_to_current_frame_offset = -start_to_current_frame_offset;
 
@@ -3446,7 +3346,6 @@
 }
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
 // Check if a reference frame is an overlay frame (i.e., has the same
 // order_hint as the current frame).
 static INLINE int is_ref_overlay(const AV1_COMMON *const cm, int ref) {
@@ -3464,7 +3363,6 @@
   }
   return 0;
 }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 void av1_setup_motion_field(AV1_COMMON *cm) {
   const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
@@ -3490,7 +3388,6 @@
 
   const RefCntBuffer *ref_buf[INTER_REFS_PER_FRAME];
 
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
     ref_buf[i] = NULL;
     cm->ref_frame_side[i] = 0;
@@ -3529,56 +3426,15 @@
     cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
 #endif  // CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
   }
-#else
-  int ref_order_hint[INTER_REFS_PER_FRAME];
-  const int cur_order_hint = cm->cur_frame->order_hint;
-
-#if CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-  int has_bwd_ref = 0;
-#endif  // CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-  for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) {
-    const int ref_idx = ref_frame - LAST_FRAME;
-    const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
-    int order_hint = 0;
-
-    if (buf != NULL) order_hint = buf->order_hint;
-
-    ref_buf[ref_idx] = buf;
-    ref_order_hint[ref_idx] = order_hint;
-#if CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
-    const int relative_dist =
-        get_relative_dist(order_hint_info, order_hint, cur_order_hint);
-    if (relative_dist > 0) {
-#else
-    if (get_relative_dist(order_hint_info, order_hint, cur_order_hint) > 0) {
-#endif  // CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
-      cm->ref_frame_side[ref_frame] = 1;
-#if CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-      has_bwd_ref = 1;
-#endif  // CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-    } else if (order_hint == cur_order_hint) {
-      cm->ref_frame_side[ref_frame] = -1;
-    }
-
-#if CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
-    cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
-#endif  // CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_TIP
-#if CONFIG_NEW_REF_SIGNALING
   cm->has_bwd_ref = cm->ref_frames_info.num_future_refs ? 1 : 0;
-#else
-  cm->has_bwd_ref = has_bwd_ref;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   if (cm->seq_params.enable_tip) {
     av1_derive_tip_nearest_ref_frames_motion_projection(cm);
   }
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
   int n_refs_used = 0;
 
   // Implements a strategy where the closest references in the past
@@ -3654,78 +3510,6 @@
     n_refs_used += ret;
   }
 #endif  // CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-#else
-  int ref_stamp = MFMV_STACK_SIZE - 1;
-
-#if CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-  int overwrite_mv = 0;
-  if (has_bwd_ref) {
-    if (ref_buf[LAST_FRAME - LAST_FRAME] != NULL) {
-      const int alt_of_lst_order_hint =
-          ref_buf[LAST_FRAME - LAST_FRAME]
-              ->ref_order_hints[ALTREF_FRAME - LAST_FRAME];
-
-      const int is_lst_overlay =
-          (alt_of_lst_order_hint == ref_order_hint[GOLDEN_FRAME - LAST_FRAME]);
-      if (!is_lst_overlay)
-        motion_field_projection_bwd(cm, LAST_FRAME, 2, overwrite_mv);
-    }
-  }
-#else
-  int overwrite_mv = 1;
-  if (ref_buf[LAST_FRAME - LAST_FRAME] != NULL) {
-    const int alt_of_lst_order_hint =
-        ref_buf[LAST_FRAME - LAST_FRAME]
-            ->ref_order_hints[ALTREF_FRAME - LAST_FRAME];
-
-    const int is_lst_overlay =
-        (alt_of_lst_order_hint == ref_order_hint[GOLDEN_FRAME - LAST_FRAME]);
-    if (!is_lst_overlay)
-      motion_field_projection(cm, LAST_FRAME, 2, overwrite_mv);
-    --ref_stamp;
-  }
-#endif  // CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-
-  if (get_relative_dist(order_hint_info,
-                        ref_order_hint[BWDREF_FRAME - LAST_FRAME],
-                        cur_order_hint) > 0) {
-    if (motion_field_projection(cm, BWDREF_FRAME, 0, overwrite_mv)) --ref_stamp;
-  }
-
-  if (get_relative_dist(order_hint_info,
-                        ref_order_hint[ALTREF2_FRAME - LAST_FRAME],
-                        cur_order_hint) > 0) {
-    if (motion_field_projection(cm, ALTREF2_FRAME, 0, overwrite_mv))
-      --ref_stamp;
-  }
-
-#if CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-  if (ref_buf[LAST_FRAME - LAST_FRAME] != NULL) {
-    const int alt_of_lst_order_hint =
-        ref_buf[LAST_FRAME - LAST_FRAME]
-            ->ref_order_hints[ALTREF_FRAME - LAST_FRAME];
-
-    const int is_lst_overlay =
-        (alt_of_lst_order_hint == ref_order_hint[GOLDEN_FRAME - LAST_FRAME]);
-    if (!is_lst_overlay)
-      motion_field_projection(cm, LAST_FRAME, 2, overwrite_mv);
-    --ref_stamp;
-  }
-#endif  // CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-
-  if (get_relative_dist(order_hint_info,
-                        ref_order_hint[ALTREF_FRAME - LAST_FRAME],
-                        cur_order_hint) > 0 &&
-      ref_stamp >= 0)
-    if (motion_field_projection(cm, ALTREF_FRAME, 0, overwrite_mv)) --ref_stamp;
-
-#if CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-  if (has_bwd_ref && ref_stamp >= 0) {
-    motion_field_projection_bwd(cm, LAST2_FRAME, 2, overwrite_mv);
-  }
-#endif  // CONFIG_TMVP_IMPROVEMENT || CONFIG_TIP
-  if (ref_stamp >= 0) motion_field_projection(cm, LAST2_FRAME, 2, overwrite_mv);
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 #if CONFIG_SMVP_IMPROVEMENT || CONFIG_JOINT_MVD
@@ -3737,12 +3521,8 @@
 
   const int cur_order_hint = cm->cur_frame->order_hint;
 
-#if CONFIG_NEW_REF_SIGNALING
   for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_total_refs;
        ref_frame++) {
-#else
-  for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
     int order_hint = 0;
 
@@ -4064,15 +3844,9 @@
   int ref_order_hints[2] = { -1, INT_MAX };
   int ref_idx[2] = { INVALID_IDX, INVALID_IDX };
 
-#if CONFIG_NEW_REF_SIGNALING
   // Identify the top ranked forward and backward references.
   for (int i = 0; i < cm->ref_frames_info.num_total_refs; ++i) {
     const RefCntBuffer *const buf = get_ref_frame_buf(cm, i);
-#else
-  // Identify the nearest forward and backward references.
-  for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-    const RefCntBuffer *const buf = get_ref_frame_buf(cm, LAST_FRAME + i);
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (buf == NULL) continue;
 
     const int ref_order_hint = buf->order_hint;
@@ -4100,23 +3874,19 @@
   if (ref_idx[0] != INVALID_IDX && ref_idx[1] != INVALID_IDX) {
     // == Bi-directional prediction ==
     skip_mode_info->skip_mode_allowed = 1;
-#if CONFIG_NEW_REF_SIGNALING && CONFIG_SKIP_MODE_ENHANCEMENT
+#if CONFIG_SKIP_MODE_ENHANCEMENT
     skip_mode_info->ref_frame_idx_0 = ref_idx[0];
     skip_mode_info->ref_frame_idx_1 = ref_idx[1];
 #else
     skip_mode_info->ref_frame_idx_0 = AOMMIN(ref_idx[0], ref_idx[1]);
     skip_mode_info->ref_frame_idx_1 = AOMMAX(ref_idx[0], ref_idx[1]);
-#endif  // CONFIG_NEW_REF_SIGNALING && CONFIG_SKIP_MODE_ENHANCEMENT
+#endif  // CONFIG_SKIP_MODE_ENHANCEMENT
   } else if (ref_idx[0] != INVALID_IDX && ref_idx[1] == INVALID_IDX) {
     // == Forward prediction only ==
     // Identify the second nearest forward reference.
     ref_order_hints[1] = -1;
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#if CONFIG_NEW_REF_SIGNALING
       const RefCntBuffer *const buf = get_ref_frame_buf(cm, i);
-#else
-      const RefCntBuffer *const buf = get_ref_frame_buf(cm, LAST_FRAME + i);
-#endif  // CONFIG_NEW_REF_SIGNALING
       if (buf == NULL) continue;
 
       const int ref_order_hint = buf->order_hint;
@@ -4133,210 +3903,18 @@
     }
     if (ref_order_hints[1] != -1) {
       skip_mode_info->skip_mode_allowed = 1;
-#if CONFIG_NEW_REF_SIGNALING && CONFIG_SKIP_MODE_ENHANCEMENT
+#if CONFIG_SKIP_MODE_ENHANCEMENT
       skip_mode_info->ref_frame_idx_0 = ref_idx[0];
       skip_mode_info->ref_frame_idx_1 = ref_idx[1];
 #else
       skip_mode_info->ref_frame_idx_0 = AOMMIN(ref_idx[0], ref_idx[1]);
       skip_mode_info->ref_frame_idx_1 = AOMMAX(ref_idx[0], ref_idx[1]);
-#endif  // CONFIG_NEW_REF_SIGNALING && CONFIG_SKIP_MODE_ENHANCEMENT
+#endif  // CONFIG_SKIP_MODE_ENHANCEMENT
     }
   }
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
 }
 
-#if !CONFIG_NEW_REF_SIGNALING
-typedef struct {
-  int map_idx;        // frame map index
-  RefCntBuffer *buf;  // frame buffer
-  int sort_idx;       // index based on the offset to be used for sorting
-} REF_FRAME_INFO;
-
-// Compares the sort_idx fields. If they are equal, then compares the map_idx
-// fields to break the tie. This ensures a stable sort.
-static int compare_ref_frame_info(const void *arg_a, const void *arg_b) {
-  const REF_FRAME_INFO *info_a = (REF_FRAME_INFO *)arg_a;
-  const REF_FRAME_INFO *info_b = (REF_FRAME_INFO *)arg_b;
-
-  const int sort_idx_diff = info_a->sort_idx - info_b->sort_idx;
-  if (sort_idx_diff != 0) return sort_idx_diff;
-  return info_a->map_idx - info_b->map_idx;
-}
-
-static AOM_INLINE void set_ref_frame_info(int *remapped_ref_idx, int frame_idx,
-                                          REF_FRAME_INFO *ref_info) {
-  assert(frame_idx >= 0 && frame_idx < INTER_REFS_PER_FRAME);
-
-  remapped_ref_idx[frame_idx] = ref_info->map_idx;
-}
-
-void av1_set_frame_refs(AV1_COMMON *const cm, int *remapped_ref_idx,
-                        int lst_map_idx, int gld_map_idx) {
-  int lst_frame_sort_idx = -1;
-  int gld_frame_sort_idx = -1;
-
-  assert(cm->seq_params.order_hint_info.enable_order_hint);
-  assert(cm->seq_params.order_hint_info.order_hint_bits_minus_1 >= 0);
-  const int cur_order_hint = (int)cm->current_frame.order_hint;
-  const int cur_frame_sort_idx =
-      1 << cm->seq_params.order_hint_info.order_hint_bits_minus_1;
-
-  REF_FRAME_INFO ref_frame_info[REF_FRAMES];
-  int ref_flag_list[INTER_REFS_PER_FRAME] = { 0, 0, 0, 0, 0, 0, 0 };
-
-  for (int i = 0; i < REF_FRAMES; ++i) {
-    const int map_idx = i;
-
-    ref_frame_info[i].map_idx = map_idx;
-    ref_frame_info[i].sort_idx = -1;
-
-    RefCntBuffer *const buf = cm->ref_frame_map[map_idx];
-    ref_frame_info[i].buf = buf;
-
-    if (buf == NULL) continue;
-    // If this assertion fails, there is a reference leak.
-    assert(buf->ref_count > 0);
-
-    const int offset = (int)buf->order_hint;
-    ref_frame_info[i].sort_idx =
-        (offset == -1) ? -1
-                       : cur_frame_sort_idx +
-                             get_relative_dist(&cm->seq_params.order_hint_info,
-                                               offset, cur_order_hint);
-    assert(ref_frame_info[i].sort_idx >= -1);
-
-    if (map_idx == lst_map_idx) lst_frame_sort_idx = ref_frame_info[i].sort_idx;
-    if (map_idx == gld_map_idx) gld_frame_sort_idx = ref_frame_info[i].sort_idx;
-  }
-
-  // Confirm both LAST_FRAME and GOLDEN_FRAME are valid forward reference
-  // frames.
-  if (lst_frame_sort_idx == -1 || lst_frame_sort_idx >= cur_frame_sort_idx) {
-    aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
-                       "Inter frame requests a look-ahead frame as LAST");
-  }
-  if (gld_frame_sort_idx == -1 || gld_frame_sort_idx >= cur_frame_sort_idx) {
-    aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
-                       "Inter frame requests a look-ahead frame as GOLDEN");
-  }
-
-  // Sort ref frames based on their frame_offset values.
-  qsort(ref_frame_info, REF_FRAMES, sizeof(REF_FRAME_INFO),
-        compare_ref_frame_info);
-
-  // Identify forward and backward reference frames.
-  // Forward  reference: offset < order_hint
-  // Backward reference: offset >= order_hint
-  int fwd_start_idx = 0, fwd_end_idx = REF_FRAMES - 1;
-
-  for (int i = 0; i < REF_FRAMES; i++) {
-    if (ref_frame_info[i].sort_idx == -1) {
-      fwd_start_idx++;
-      continue;
-    }
-
-    if (ref_frame_info[i].sort_idx >= cur_frame_sort_idx) {
-      fwd_end_idx = i - 1;
-      break;
-    }
-  }
-
-  int bwd_start_idx = fwd_end_idx + 1;
-  int bwd_end_idx = REF_FRAMES - 1;
-
-  // === Backward Reference Frames ===
-
-  // == ALTREF_FRAME ==
-  if (bwd_start_idx <= bwd_end_idx) {
-    set_ref_frame_info(remapped_ref_idx, ALTREF_FRAME - LAST_FRAME,
-                       &ref_frame_info[bwd_end_idx]);
-    ref_flag_list[ALTREF_FRAME - LAST_FRAME] = 1;
-    bwd_end_idx--;
-  }
-
-  // == BWDREF_FRAME ==
-  if (bwd_start_idx <= bwd_end_idx) {
-    set_ref_frame_info(remapped_ref_idx, BWDREF_FRAME - LAST_FRAME,
-                       &ref_frame_info[bwd_start_idx]);
-    ref_flag_list[BWDREF_FRAME - LAST_FRAME] = 1;
-    bwd_start_idx++;
-  }
-
-  // == ALTREF2_FRAME ==
-  if (bwd_start_idx <= bwd_end_idx) {
-    set_ref_frame_info(remapped_ref_idx, ALTREF2_FRAME - LAST_FRAME,
-                       &ref_frame_info[bwd_start_idx]);
-    ref_flag_list[ALTREF2_FRAME - LAST_FRAME] = 1;
-  }
-
-  // === Forward Reference Frames ===
-
-  for (int i = fwd_start_idx; i <= fwd_end_idx; ++i) {
-    // == LAST_FRAME ==
-    if (ref_frame_info[i].map_idx == lst_map_idx) {
-      set_ref_frame_info(remapped_ref_idx, LAST_FRAME - LAST_FRAME,
-                         &ref_frame_info[i]);
-      ref_flag_list[LAST_FRAME - LAST_FRAME] = 1;
-    }
-
-    // == GOLDEN_FRAME ==
-    if (ref_frame_info[i].map_idx == gld_map_idx) {
-      set_ref_frame_info(remapped_ref_idx, GOLDEN_FRAME - LAST_FRAME,
-                         &ref_frame_info[i]);
-      ref_flag_list[GOLDEN_FRAME - LAST_FRAME] = 1;
-    }
-  }
-
-  assert(ref_flag_list[LAST_FRAME - LAST_FRAME] == 1 &&
-         ref_flag_list[GOLDEN_FRAME - LAST_FRAME] == 1);
-
-  // == LAST2_FRAME ==
-  // == LAST3_FRAME ==
-  // == BWDREF_FRAME ==
-  // == ALTREF2_FRAME ==
-  // == ALTREF_FRAME ==
-
-  // Set up the reference frames in the anti-chronological order.
-  static const MV_REFERENCE_FRAME ref_frame_list[INTER_REFS_PER_FRAME - 2] = {
-    LAST2_FRAME, LAST3_FRAME, BWDREF_FRAME, ALTREF2_FRAME, ALTREF_FRAME
-  };
-
-  int ref_idx;
-  for (ref_idx = 0; ref_idx < (INTER_REFS_PER_FRAME - 2); ref_idx++) {
-    const MV_REFERENCE_FRAME ref_frame = ref_frame_list[ref_idx];
-
-    if (ref_flag_list[ref_frame - LAST_FRAME] == 1) continue;
-
-    while (fwd_start_idx <= fwd_end_idx &&
-           (ref_frame_info[fwd_end_idx].map_idx == lst_map_idx ||
-            ref_frame_info[fwd_end_idx].map_idx == gld_map_idx)) {
-      fwd_end_idx--;
-    }
-    if (fwd_start_idx > fwd_end_idx) break;
-
-    set_ref_frame_info(remapped_ref_idx, ref_frame - LAST_FRAME,
-                       &ref_frame_info[fwd_end_idx]);
-    ref_flag_list[ref_frame - LAST_FRAME] = 1;
-
-    fwd_end_idx--;
-  }
-
-  // Assign all the remaining frame(s), if any, to the earliest reference
-  // frame.
-  for (; ref_idx < (INTER_REFS_PER_FRAME - 2); ref_idx++) {
-    const MV_REFERENCE_FRAME ref_frame = ref_frame_list[ref_idx];
-    if (ref_flag_list[ref_frame - LAST_FRAME] == 1) continue;
-    set_ref_frame_info(remapped_ref_idx, ref_frame - LAST_FRAME,
-                       &ref_frame_info[fwd_start_idx]);
-    ref_flag_list[ref_frame - LAST_FRAME] = 1;
-  }
-
-  for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
-    assert(ref_flag_list[i] == 1);
-  }
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 #if CONFIG_REF_MV_BANK
 static INLINE void update_ref_mv_bank(const MB_MODE_INFO *const mbmi,
                                       REF_MV_BANK *ref_mv_bank) {
diff --git a/av1/common/mvref_common.h b/av1/common/mvref_common.h
index 94ae928..e450578 100644
--- a/av1/common/mvref_common.h
+++ b/av1/common/mvref_common.h
@@ -156,7 +156,6 @@
 }
 #endif
 
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
 // Converts a pair of distinct indices (rf) each in [0, n-1],
 // to a combined index in [0, n*(n+1)/2].
@@ -269,79 +268,6 @@
   }
   return;
 }
-#else
-static INLINE int8_t get_uni_comp_ref_idx(const MV_REFERENCE_FRAME *const rf) {
-  // Single ref pred
-  if (!is_inter_ref_frame(rf[1])) return -1;
-
-  // Bi-directional comp ref pred
-  if ((rf[0] < BWDREF_FRAME) && (rf[1] >= BWDREF_FRAME)) return -1;
-
-  for (int8_t ref_idx = 0; ref_idx < TOTAL_UNIDIR_COMP_REFS; ++ref_idx) {
-    if (rf[0] == comp_ref0(ref_idx) && rf[1] == comp_ref1(ref_idx))
-      return ref_idx;
-  }
-  return -1;
-}
-
-static INLINE int8_t av1_ref_frame_type(const MV_REFERENCE_FRAME *const rf) {
-  if (is_inter_ref_frame(rf[1])) {
-    const int8_t uni_comp_ref_idx = get_uni_comp_ref_idx(rf);
-    if (uni_comp_ref_idx >= 0) {
-      assert((REF_FRAMES + FWD_REFS * BWD_REFS + uni_comp_ref_idx) <
-             MODE_CTX_REF_FRAMES);
-      return REF_FRAMES + FWD_REFS * BWD_REFS + uni_comp_ref_idx;
-    } else {
-      return REF_FRAMES + FWD_RF_OFFSET(rf[0]) +
-             BWD_RF_OFFSET(rf[1]) * FWD_REFS;
-    }
-  }
-
-  return rf[0];
-}
-
-// clang-format off
-static MV_REFERENCE_FRAME ref_frame_map[TOTAL_COMP_REFS][2] = {
-  { LAST_FRAME, BWDREF_FRAME },  { LAST2_FRAME, BWDREF_FRAME },
-  { LAST3_FRAME, BWDREF_FRAME }, { GOLDEN_FRAME, BWDREF_FRAME },
-
-  { LAST_FRAME, ALTREF2_FRAME },  { LAST2_FRAME, ALTREF2_FRAME },
-  { LAST3_FRAME, ALTREF2_FRAME }, { GOLDEN_FRAME, ALTREF2_FRAME },
-
-  { LAST_FRAME, ALTREF_FRAME },  { LAST2_FRAME, ALTREF_FRAME },
-  { LAST3_FRAME, ALTREF_FRAME }, { GOLDEN_FRAME, ALTREF_FRAME },
-
-  { LAST_FRAME, LAST2_FRAME }, { LAST_FRAME, LAST3_FRAME },
-  { LAST_FRAME, GOLDEN_FRAME }, { BWDREF_FRAME, ALTREF_FRAME },
-
-  // NOTE: Following reference frame pairs are not supported to be explicitly
-  //       signalled, but they are possibly chosen by the use of skip_mode,
-  //       which may use the most recent one-sided reference frame pair.
-  { LAST2_FRAME, LAST3_FRAME }, { LAST2_FRAME, GOLDEN_FRAME },
-  { LAST3_FRAME, GOLDEN_FRAME }, {BWDREF_FRAME, ALTREF2_FRAME},
-  { ALTREF2_FRAME, ALTREF_FRAME }
-};
-// clang-format on
-
-static INLINE void av1_set_ref_frame(MV_REFERENCE_FRAME *rf,
-                                     MV_REFERENCE_FRAME ref_frame_type) {
-#if CONFIG_TIP
-  if (is_tip_ref_frame(ref_frame_type)) {
-    rf[0] = ref_frame_type;
-    rf[1] = NONE_FRAME;
-    return;
-  }
-#endif  // CONFIG_TIP
-  if (ref_frame_type >= REF_FRAMES) {
-    rf[0] = ref_frame_map[ref_frame_type - REF_FRAMES][0];
-    rf[1] = ref_frame_map[ref_frame_type - REF_FRAMES][1];
-  } else {
-    assert(ref_frame_type > NONE_FRAME);
-    rf[0] = ref_frame_type;
-    rf[1] = NONE_FRAME;
-  }
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if !CONFIG_C076_INTER_MOD_CTX
 static uint16_t compound_mode_ctx_map[3][COMP_NEWMV_CTXS] = {
@@ -424,10 +350,6 @@
 void av1_setup_frame_sign_bias(AV1_COMMON *cm);
 void av1_setup_skip_mode_allowed(AV1_COMMON *cm);
 void av1_setup_motion_field(AV1_COMMON *cm);
-#if !CONFIG_NEW_REF_SIGNALING
-void av1_set_frame_refs(AV1_COMMON *const cm, int *remapped_ref_idx,
-                        int lst_map_idx, int gld_map_idx);
-#endif  // !CONFIG_NEW_REF_SIGNALING
 #if CONFIG_SMVP_IMPROVEMENT
 void av1_setup_ref_frame_sides(AV1_COMMON *cm);
 #endif  // CONFIG_SMVP_IMPROVEMENT
diff --git a/av1/common/pred_common.c b/av1/common/pred_common.c
index bf0b38b..39f5548 100644
--- a/av1/common/pred_common.c
+++ b/av1/common/pred_common.c
@@ -16,7 +16,6 @@
 #include "av1/common/reconintra.h"
 #include "av1/common/seg_common.h"
 
-#if CONFIG_NEW_REF_SIGNALING
 // Comparison function to sort reference frames in ascending score order
 static int compare_score_data_asc(const void *a, const void *b) {
   if (((RefScoreData *)a)->score == ((RefScoreData *)b)->score) {
@@ -204,243 +203,6 @@
     if (cm->remapped_ref_idx[i] == INVALID_IDX) cm->remapped_ref_idx[i] = 0;
   }
 }
-#else
-/*!\cond */
-// Struct to keep track of relevant reference frame data
-typedef struct {
-  int map_idx;
-  int disp_order;
-  int pyr_level;
-  int used;
-} RefBufMapData;
-/*!\endcond */
-
-// Comparison function to sort reference frames in ascending display order
-static int compare_map_idx_pair_asc(const void *a, const void *b) {
-  if (((RefBufMapData *)a)->disp_order == ((RefBufMapData *)b)->disp_order) {
-    return 0;
-  } else if (((const RefBufMapData *)a)->disp_order >
-             ((const RefBufMapData *)b)->disp_order) {
-    return 1;
-  } else {
-    return -1;
-  }
-}
-
-// Checks to see if a particular reference frame is already in the reference
-// frame map
-static int is_in_ref_map(RefBufMapData *map, int disp_order, int n_frames) {
-  for (int i = 0; i < n_frames; i++) {
-    if (disp_order == map[i].disp_order) return 1;
-  }
-  return 0;
-}
-
-// Add a reference buffer index to a named reference slot
-static void add_ref_to_slot(RefBufMapData *ref, int *const remapped_ref_idx,
-                            int frame) {
-  remapped_ref_idx[frame - LAST_FRAME] = ref->map_idx;
-  ref->used = 1;
-}
-
-// Threshold dictating when we are allowed to start considering
-// leaving lowest level frames unmapped
-#define LOW_LEVEL_FRAMES_TR 5
-
-// Find which reference buffer should be left out of the named mapping.
-// This is because there are 8 reference buffers and only 7 named slots.
-static void set_unmapped_ref(RefBufMapData *buffer_map, int n_bufs,
-                             int n_min_level_refs, int min_level,
-                             int cur_frame_disp) {
-  int max_dist = 0;
-  int unmapped_idx = -1;
-  if (n_bufs <= ALTREF_FRAME) return;
-  for (int i = 0; i < n_bufs; i++) {
-    if (buffer_map[i].used) continue;
-    if (buffer_map[i].pyr_level != min_level ||
-        n_min_level_refs >= LOW_LEVEL_FRAMES_TR) {
-      int dist = abs(cur_frame_disp - buffer_map[i].disp_order);
-      if (dist > max_dist) {
-        max_dist = dist;
-        unmapped_idx = i;
-      }
-    }
-  }
-  assert(unmapped_idx >= 0 && "Unmapped reference not found");
-  buffer_map[unmapped_idx].used = 1;
-}
-
-void av1_get_ref_frames(AV1_COMMON *const cm, int cur_frame_disp,
-                        RefFrameMapPair *ref_frame_map_pairs) {
-  int *const remapped_ref_idx = cm->remapped_ref_idx;
-
-  int buf_map_idx = 0;
-
-  // Initialize reference frame mappings
-  for (int i = 0; i < REF_FRAMES; ++i) remapped_ref_idx[i] = INVALID_IDX;
-
-  RefBufMapData buffer_map[REF_FRAMES];
-  int n_bufs = 0;
-  memset(buffer_map, 0, REF_FRAMES * sizeof(buffer_map[0]));
-  int min_level = INT_MAX;
-  int max_level = 0;
-
-  // Go through current reference buffers and store display order, pyr level,
-  // and map index.
-  for (int map_idx = 0; map_idx < REF_FRAMES; map_idx++) {
-    // Get reference frame buffer
-    RefFrameMapPair ref_pair = ref_frame_map_pairs[map_idx];
-    if (ref_pair.disp_order == -1) continue;
-    const int frame_order = ref_pair.disp_order;
-    // Avoid duplicates
-    if (is_in_ref_map(buffer_map, frame_order, n_bufs)) continue;
-    const int reference_frame_level = ref_pair.pyr_level;
-
-    // Keep track of the lowest and highest levels that currently exist
-    if (reference_frame_level < min_level) min_level = reference_frame_level;
-    if (reference_frame_level > max_level) max_level = reference_frame_level;
-
-    buffer_map[n_bufs].map_idx = map_idx;
-    buffer_map[n_bufs].disp_order = frame_order;
-    buffer_map[n_bufs].pyr_level = reference_frame_level;
-    buffer_map[n_bufs].used = 0;
-    n_bufs++;
-  }
-
-  // Sort frames in ascending display order
-  qsort(buffer_map, n_bufs, sizeof(buffer_map[0]), compare_map_idx_pair_asc);
-
-  int n_min_level_refs = 0;
-  int n_past_high_level = 0;
-  int closest_past_ref = -1;
-  int golden_idx = -1;
-  int altref_idx = -1;
-
-  // Find the GOLDEN_FRAME and BWDREF_FRAME.
-  // Also collect various stats about the reference frames for the remaining
-  // mappings
-  for (int i = n_bufs - 1; i >= 0; i--) {
-    if (buffer_map[i].pyr_level == min_level) {
-      // Keep track of the number of lowest level frames
-      n_min_level_refs++;
-      if (buffer_map[i].disp_order < cur_frame_disp && golden_idx == -1 &&
-          remapped_ref_idx[GOLDEN_FRAME - LAST_FRAME] == INVALID_IDX) {
-        // Save index for GOLDEN
-        golden_idx = i;
-      } else if (buffer_map[i].disp_order > cur_frame_disp &&
-                 altref_idx == -1 &&
-                 remapped_ref_idx[ALTREF_FRAME - LAST_FRAME] == INVALID_IDX) {
-        // Save index for ALTREF
-        altref_idx = i;
-      }
-    } else if (buffer_map[i].disp_order == cur_frame_disp) {
-      // Map the BWDREF_FRAME if this is the show_existing_frame
-      add_ref_to_slot(&buffer_map[i], remapped_ref_idx, BWDREF_FRAME);
-    }
-
-    // Keep track of the number of past frames that are not at the lowest level
-    if (buffer_map[i].disp_order < cur_frame_disp &&
-        buffer_map[i].pyr_level != min_level)
-      n_past_high_level++;
-
-    // Keep track of where the frames change from being past frames to future
-    // frames
-    if (buffer_map[i].disp_order < cur_frame_disp && closest_past_ref < 0)
-      closest_past_ref = i;
-  }
-
-  // Do not map GOLDEN and ALTREF based on their pyramid level if all reference
-  // frames have the same level
-  if (n_min_level_refs <= n_bufs) {
-    // Map the GOLDEN_FRAME
-    if (golden_idx > -1)
-      add_ref_to_slot(&buffer_map[golden_idx], remapped_ref_idx, GOLDEN_FRAME);
-    // Map the ALTREF_FRAME
-    if (altref_idx > -1)
-      add_ref_to_slot(&buffer_map[altref_idx], remapped_ref_idx, ALTREF_FRAME);
-  }
-
-  // Find the buffer to be excluded from the mapping
-  set_unmapped_ref(buffer_map, n_bufs, n_min_level_refs, min_level,
-                   cur_frame_disp);
-
-  // Place past frames in LAST_FRAME, LAST2_FRAME, and LAST3_FRAME
-  for (int frame = LAST_FRAME; frame < GOLDEN_FRAME; frame++) {
-    // Continue if the current ref slot is already full
-    if (remapped_ref_idx[frame - LAST_FRAME] != INVALID_IDX) continue;
-    // Find the next unmapped reference buffer
-    // in decreasing ouptut oreder relative to current picture
-    int next_buf_max = 0;
-    int next_disp_order = INT_MIN;
-    for (buf_map_idx = n_bufs - 1; buf_map_idx >= 0; buf_map_idx--) {
-      if (!buffer_map[buf_map_idx].used &&
-          buffer_map[buf_map_idx].disp_order < cur_frame_disp &&
-          buffer_map[buf_map_idx].disp_order > next_disp_order) {
-        next_disp_order = buffer_map[buf_map_idx].disp_order;
-        next_buf_max = buf_map_idx;
-      }
-    }
-    buf_map_idx = next_buf_max;
-    if (buf_map_idx < 0) break;
-    if (buffer_map[buf_map_idx].used) break;
-    add_ref_to_slot(&buffer_map[buf_map_idx], remapped_ref_idx, frame);
-  }
-
-  // Place future frames (if there are any) in BWDREF_FRAME and ALTREF2_FRAME
-  for (int frame = BWDREF_FRAME; frame < REF_FRAMES; frame++) {
-    // Continue if the current ref slot is already full
-    if (remapped_ref_idx[frame - LAST_FRAME] != INVALID_IDX) continue;
-    // Find the next unmapped reference buffer
-    // in increasing ouptut oreder relative to current picture
-    int next_buf_max = 0;
-    int next_disp_order = INT_MAX;
-    for (buf_map_idx = n_bufs - 1; buf_map_idx >= 0; buf_map_idx--) {
-      if (!buffer_map[buf_map_idx].used &&
-          buffer_map[buf_map_idx].disp_order > cur_frame_disp &&
-          buffer_map[buf_map_idx].disp_order < next_disp_order) {
-        next_disp_order = buffer_map[buf_map_idx].disp_order;
-        next_buf_max = buf_map_idx;
-      }
-    }
-    buf_map_idx = next_buf_max;
-    if (buf_map_idx < 0) break;
-    if (buffer_map[buf_map_idx].used) break;
-    add_ref_to_slot(&buffer_map[buf_map_idx], remapped_ref_idx, frame);
-  }
-
-  // Place remaining past frames
-  buf_map_idx = closest_past_ref;
-  for (int frame = LAST_FRAME; frame < REF_FRAMES; frame++) {
-    // Continue if the current ref slot is already full
-    if (remapped_ref_idx[frame - LAST_FRAME] != INVALID_IDX) continue;
-    // Find the next unmapped reference buffer
-    for (; buf_map_idx >= 0; buf_map_idx--) {
-      if (!buffer_map[buf_map_idx].used) break;
-    }
-    if (buf_map_idx < 0) break;
-    if (buffer_map[buf_map_idx].used) break;
-    add_ref_to_slot(&buffer_map[buf_map_idx], remapped_ref_idx, frame);
-  }
-
-  // Place remaining future frames
-  buf_map_idx = n_bufs - 1;
-  for (int frame = ALTREF_FRAME; frame >= LAST_FRAME; frame--) {
-    // Continue if the current ref slot is already full
-    if (remapped_ref_idx[frame - LAST_FRAME] != INVALID_IDX) continue;
-    // Find the next unmapped reference buffer
-    for (; buf_map_idx > closest_past_ref; buf_map_idx--) {
-      if (!buffer_map[buf_map_idx].used) break;
-    }
-    if (buf_map_idx < 0) break;
-    if (buffer_map[buf_map_idx].used) break;
-    add_ref_to_slot(&buffer_map[buf_map_idx], remapped_ref_idx, frame);
-  }
-
-  // Fill any slots that are empty (should only happen for the first 7 frames)
-  for (int i = 0; i < REF_FRAMES; ++i)
-    if (remapped_ref_idx[i] == INVALID_IDX) remapped_ref_idx[i] = 0;
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 // Returns a context number for the given MB prediction signal
 static InterpFilter get_ref_filter_type(const MB_MODE_INFO *ref_mbmi,
@@ -576,14 +338,8 @@
   }
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 #define IS_BACKWARD_REF_FRAME(ref_frame) \
   (get_dir_rank(cm, ref_frame, NULL) == 1)
-#else
-#define CHECK_BACKWARD_REFS(ref_frame) \
-  (((ref_frame) >= BWDREF_FRAME) && ((ref_frame) <= ALTREF_FRAME))
-#define IS_BACKWARD_REF_FRAME(ref_frame) CHECK_BACKWARD_REFS(ref_frame)
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 int av1_get_reference_mode_context(const AV1_COMMON *cm,
                                    const MACROBLOCKD *xd) {
@@ -627,7 +383,6 @@
   return ctx;
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 // The context for reference frame is defined by comparing A) the count of
 // rank n references and B) the count of rank > n references in the neighboring
 // blocks. Context will be 0 if A<B, 1 if A=B, and 2 if A>B.
@@ -651,317 +406,3 @@
   assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
   return pred_context;
 }
-#else
-int av1_get_comp_reference_type_context(const MACROBLOCKD *xd) {
-  int ctx = 0;
-  const MB_MODE_INFO *const neighbor0 = xd->neighbors[0];
-  const MB_MODE_INFO *const neighbor1 = xd->neighbors[1];
-
-  if (neighbor0 && neighbor1) {  // both neighbors available
-    const int is_neighbor0_intra = !is_inter_block(neighbor0, xd->tree_type);
-    const int is_neighbor1_intra = !is_inter_block(neighbor1, xd->tree_type);
-
-    if (is_neighbor0_intra && is_neighbor1_intra) {  // intra/intra
-      ctx = 2;
-    } else if (is_neighbor0_intra || is_neighbor1_intra) {  // intra/inter
-      const MB_MODE_INFO *inter_mbmi =
-          is_neighbor0_intra ? neighbor1 : neighbor0;
-
-      if (!has_second_ref(inter_mbmi))  // single pred
-        ctx = 2;
-      else  // comp pred
-        ctx = 1 + 2 * has_uni_comp_refs(inter_mbmi);
-    } else {  // inter/inter
-      const int a_sg = !has_second_ref(neighbor0);
-      const int l_sg = !has_second_ref(neighbor1);
-      const MV_REFERENCE_FRAME frfa = neighbor0->ref_frame[0];
-      const MV_REFERENCE_FRAME frfl = neighbor1->ref_frame[0];
-
-      if (a_sg && l_sg) {  // single/single
-        ctx = 1 + 2 * (!(IS_BACKWARD_REF_FRAME(frfa) ^
-                         IS_BACKWARD_REF_FRAME(frfl)));
-      } else if (l_sg || a_sg) {  // single/comp
-        const int uni_rfc =
-            a_sg ? has_uni_comp_refs(neighbor1) : has_uni_comp_refs(neighbor0);
-
-        if (!uni_rfc)  // comp bidir
-          ctx = 1;
-        else  // comp unidir
-          ctx = 3 +
-                (!(IS_BACKWARD_REF_FRAME(frfa) ^ IS_BACKWARD_REF_FRAME(frfl)));
-      } else {  // comp/comp
-        const int a_uni_rfc = has_uni_comp_refs(neighbor0);
-        const int l_uni_rfc = has_uni_comp_refs(neighbor1);
-
-        if (!a_uni_rfc && !l_uni_rfc)  // bidir/bidir
-          ctx = 0;
-        else if (!a_uni_rfc || !l_uni_rfc)  // unidir/bidir
-          ctx = 2;
-        else  // unidir/unidir
-          ctx = 3 + (!((frfa == BWDREF_FRAME) ^ (frfl == BWDREF_FRAME)));
-      }
-    }
-  } else if (neighbor0 || neighbor1) {  // one neighbor available
-    const MB_MODE_INFO *neighbor = neighbor0 ? neighbor0 : neighbor1;
-    if (!is_inter_block(neighbor, xd->tree_type)) {  // intra
-      ctx = 2;
-    } else {                          // inter
-      if (!has_second_ref(neighbor))  // single pred
-        ctx = 2;
-      else  // comp pred
-        ctx = 4 * has_uni_comp_refs(neighbor);
-    }
-  } else {  // no neighbors available
-    ctx = 2;
-  }
-
-  assert(ctx >= 0 && ctx < COMP_REF_TYPE_CONTEXTS);
-  return ctx;
-}
-
-// Returns a context number for the given MB prediction signal
-//
-// Signal the uni-directional compound reference frame pair as either
-// (BWDREF, ALTREF), or (LAST, LAST2) / (LAST, LAST3) / (LAST, GOLDEN),
-// conditioning on the pair is known as uni-directional.
-//
-// 3 contexts: Voting is used to compare the count of forward references with
-//             that of backward references from the spatial neighbors.
-int av1_get_pred_context_uni_comp_ref_p(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of forward references (L, L2, L3, or G)
-  const int frf_count = ref_counts[LAST_FRAME] + ref_counts[LAST2_FRAME] +
-                        ref_counts[LAST3_FRAME] + ref_counts[GOLDEN_FRAME];
-  // Count of backward references (B or A)
-  const int brf_count = ref_counts[BWDREF_FRAME] + ref_counts[ALTREF2_FRAME] +
-                        ref_counts[ALTREF_FRAME];
-
-  const int pred_context =
-      (frf_count == brf_count) ? 1 : ((frf_count < brf_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < UNI_COMP_REF_CONTEXTS);
-  return pred_context;
-}
-
-// Returns a context number for the given MB prediction signal
-//
-// Signal the uni-directional compound reference frame pair as
-// either (LAST, LAST2), or (LAST, LAST3) / (LAST, GOLDEN),
-// conditioning on the pair is known as one of the above three.
-//
-// 3 contexts: Voting is used to compare the count of LAST2_FRAME with the
-//             total count of LAST3/GOLDEN from the spatial neighbors.
-int av1_get_pred_context_uni_comp_ref_p1(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of LAST2
-  const int last2_count = ref_counts[LAST2_FRAME];
-  // Count of LAST3 or GOLDEN
-  const int last3_or_gld_count =
-      ref_counts[LAST3_FRAME] + ref_counts[GOLDEN_FRAME];
-
-  const int pred_context = (last2_count == last3_or_gld_count)
-                               ? 1
-                               : ((last2_count < last3_or_gld_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < UNI_COMP_REF_CONTEXTS);
-  return pred_context;
-}
-
-// Returns a context number for the given MB prediction signal
-//
-// Signal the uni-directional compound reference frame pair as
-// either (LAST, LAST3) or (LAST, GOLDEN),
-// conditioning on the pair is known as one of the above two.
-//
-// 3 contexts: Voting is used to compare the count of LAST3_FRAME with the
-//             total count of GOLDEN_FRAME from the spatial neighbors.
-int av1_get_pred_context_uni_comp_ref_p2(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of LAST3
-  const int last3_count = ref_counts[LAST3_FRAME];
-  // Count of GOLDEN
-  const int gld_count = ref_counts[GOLDEN_FRAME];
-
-  const int pred_context =
-      (last3_count == gld_count) ? 1 : ((last3_count < gld_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < UNI_COMP_REF_CONTEXTS);
-  return pred_context;
-}
-
-// == Common context functions for both comp and single ref ==
-//
-// Obtain contexts to signal a reference frame to be either LAST/LAST2 or
-// LAST3/GOLDEN.
-static int get_pred_context_ll2_or_l3gld(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of LAST + LAST2
-  const int last_last2_count = ref_counts[LAST_FRAME] + ref_counts[LAST2_FRAME];
-  // Count of LAST3 + GOLDEN
-  const int last3_gld_count =
-      ref_counts[LAST3_FRAME] + ref_counts[GOLDEN_FRAME];
-
-  const int pred_context = (last_last2_count == last3_gld_count)
-                               ? 1
-                               : ((last_last2_count < last3_gld_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
-  return pred_context;
-}
-
-// Obtain contexts to signal a reference frame to be either LAST or LAST2.
-static int get_pred_context_last_or_last2(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of LAST
-  const int last_count = ref_counts[LAST_FRAME];
-  // Count of LAST2
-  const int last2_count = ref_counts[LAST2_FRAME];
-
-  const int pred_context =
-      (last_count == last2_count) ? 1 : ((last_count < last2_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
-  return pred_context;
-}
-
-// Obtain contexts to signal a reference frame to be either LAST3 or GOLDEN.
-static int get_pred_context_last3_or_gld(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of LAST3
-  const int last3_count = ref_counts[LAST3_FRAME];
-  // Count of GOLDEN
-  const int gld_count = ref_counts[GOLDEN_FRAME];
-
-  const int pred_context =
-      (last3_count == gld_count) ? 1 : ((last3_count < gld_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
-  return pred_context;
-}
-
-// Obtain contexts to signal a reference frame be either BWDREF/ALTREF2, or
-// ALTREF.
-static int get_pred_context_brfarf2_or_arf(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Counts of BWDREF, ALTREF2, or ALTREF frames (B, A2, or A)
-  const int brfarf2_count =
-      ref_counts[BWDREF_FRAME] + ref_counts[ALTREF2_FRAME];
-  const int arf_count = ref_counts[ALTREF_FRAME];
-
-  const int pred_context =
-      (brfarf2_count == arf_count) ? 1 : ((brfarf2_count < arf_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
-  return pred_context;
-}
-
-// Obtain contexts to signal a reference frame be either BWDREF or ALTREF2.
-static int get_pred_context_brf_or_arf2(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of BWDREF frames (B)
-  const int brf_count = ref_counts[BWDREF_FRAME];
-  // Count of ALTREF2 frames (A2)
-  const int arf2_count = ref_counts[ALTREF2_FRAME];
-
-  const int pred_context =
-      (brf_count == arf2_count) ? 1 : ((brf_count < arf2_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
-  return pred_context;
-}
-
-// == Context functions for comp ref ==
-//
-// Returns a context number for the given MB prediction signal
-// Signal the first reference frame for a compound mode be either
-// GOLDEN/LAST3, or LAST/LAST2.
-int av1_get_pred_context_comp_ref_p(const MACROBLOCKD *xd) {
-  return get_pred_context_ll2_or_l3gld(xd);
-}
-
-// Returns a context number for the given MB prediction signal
-// Signal the first reference frame for a compound mode be LAST,
-// conditioning on that it is known either LAST/LAST2.
-int av1_get_pred_context_comp_ref_p1(const MACROBLOCKD *xd) {
-  return get_pred_context_last_or_last2(xd);
-}
-
-// Returns a context number for the given MB prediction signal
-// Signal the first reference frame for a compound mode be GOLDEN,
-// conditioning on that it is known either GOLDEN or LAST3.
-int av1_get_pred_context_comp_ref_p2(const MACROBLOCKD *xd) {
-  return get_pred_context_last3_or_gld(xd);
-}
-
-// Signal the 2nd reference frame for a compound mode be either
-// ALTREF, or ALTREF2/BWDREF.
-int av1_get_pred_context_comp_bwdref_p(const MACROBLOCKD *xd) {
-  return get_pred_context_brfarf2_or_arf(xd);
-}
-
-// Signal the 2nd reference frame for a compound mode be either
-// ALTREF2 or BWDREF.
-int av1_get_pred_context_comp_bwdref_p1(const MACROBLOCKD *xd) {
-  return get_pred_context_brf_or_arf2(xd);
-}
-
-// == Context functions for single ref ==
-//
-// For the bit to signal whether the single reference is a forward reference
-// frame or a backward reference frame.
-int av1_get_pred_context_single_ref_p1(const MACROBLOCKD *xd) {
-  const uint8_t *const ref_counts = &xd->neighbors_ref_counts[0];
-
-  // Count of forward reference frames
-  const int fwd_count = ref_counts[LAST_FRAME] + ref_counts[LAST2_FRAME] +
-                        ref_counts[LAST3_FRAME] + ref_counts[GOLDEN_FRAME];
-  // Count of backward reference frames
-  const int bwd_count = ref_counts[BWDREF_FRAME] + ref_counts[ALTREF2_FRAME] +
-                        ref_counts[ALTREF_FRAME];
-
-  const int pred_context =
-      (fwd_count == bwd_count) ? 1 : ((fwd_count < bwd_count) ? 0 : 2);
-
-  assert(pred_context >= 0 && pred_context < REF_CONTEXTS);
-  return pred_context;
-}
-
-// For the bit to signal whether the single reference is ALTREF_FRAME or
-// non-ALTREF backward reference frame, knowing that it shall be either of
-// these 2 choices.
-int av1_get_pred_context_single_ref_p2(const MACROBLOCKD *xd) {
-  return get_pred_context_brfarf2_or_arf(xd);
-}
-
-// For the bit to signal whether the single reference is LAST3/GOLDEN or
-// LAST2/LAST, knowing that it shall be either of these 2 choices.
-int av1_get_pred_context_single_ref_p3(const MACROBLOCKD *xd) {
-  return get_pred_context_ll2_or_l3gld(xd);
-}
-
-// For the bit to signal whether the single reference is LAST2_FRAME or
-// LAST_FRAME, knowing that it shall be either of these 2 choices.
-int av1_get_pred_context_single_ref_p4(const MACROBLOCKD *xd) {
-  return get_pred_context_last_or_last2(xd);
-}
-
-// For the bit to signal whether the single reference is GOLDEN_FRAME or
-// LAST3_FRAME, knowing that it shall be either of these 2 choices.
-int av1_get_pred_context_single_ref_p5(const MACROBLOCKD *xd) {
-  return get_pred_context_last3_or_gld(xd);
-}
-
-// For the bit to signal whether the single reference is ALTREF2_FRAME or
-// BWDREF_FRAME, knowing that it shall be either of these 2 choices.
-int av1_get_pred_context_single_ref_p6(const MACROBLOCKD *xd) {
-  return get_pred_context_brf_or_arf2(xd);
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
diff --git a/av1/common/pred_common.h b/av1/common/pred_common.h
index d87fcd8..dc4eebb 100644
--- a/av1/common/pred_common.h
+++ b/av1/common/pred_common.h
@@ -25,9 +25,7 @@
 typedef struct {
   int pyr_level;
   int disp_order;
-#if CONFIG_NEW_REF_SIGNALING
   int base_qindex;
-#endif  // CONFIG_NEW_REF_SIGNALING
 } RefFrameMapPair;
 
 static INLINE void init_ref_map_pair(AV1_COMMON *cm,
@@ -45,9 +43,7 @@
     if (buf == NULL) {
       ref_frame_map_pairs[map_idx].disp_order = -1;
       ref_frame_map_pairs[map_idx].pyr_level = -1;
-#if CONFIG_NEW_REF_SIGNALING
       ref_frame_map_pairs[map_idx].base_qindex = -1;
-#endif  // CONFIG_NEW_REF_SIGNALING
       continue;
     } else if (buf->ref_count > 1) {
       // Once the keyframe is coded, the slots in ref_frame_map will all
@@ -60,21 +56,16 @@
         if (buf2 == buf) {
           ref_frame_map_pairs[idx2].disp_order = -1;
           ref_frame_map_pairs[idx2].pyr_level = -1;
-#if CONFIG_NEW_REF_SIGNALING
           ref_frame_map_pairs[idx2].base_qindex = -1;
-#endif  // CONFIG_NEW_REF_SIGNALING
         }
       }
     }
     ref_frame_map_pairs[map_idx].disp_order = (int)buf->display_order_hint;
     ref_frame_map_pairs[map_idx].pyr_level = buf->pyramid_level;
-#if CONFIG_NEW_REF_SIGNALING
     ref_frame_map_pairs[map_idx].base_qindex = buf->base_qindex;
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 /*!\cond */
 typedef struct {
   // Scoring function for usefulness of references (the lower score, the more
@@ -181,10 +172,6 @@
   if (cm->ref_frames_info.cur_refs[0] == refrank) return 0;
   return -1;
 }
-#else
-void av1_get_ref_frames(AV1_COMMON *const cm, int cur_frame_disp,
-                        RefFrameMapPair *ref_frame_map_pairs);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_TIP
 static INLINE int get_tip_ctx(const MACROBLOCKD *xd) {
@@ -277,19 +264,12 @@
 
 static INLINE int derive_comp_one_ref_context(const AV1_COMMON *cm,
                                               const MB_MODE_INFO *const mi) {
-#if CONFIG_NEW_REF_SIGNALING
   MV_REFERENCE_FRAME furthest_future_ref = get_furthest_future_ref_index(cm);
-#else
-  (void)cm;
-#endif  // CONFIG_NEW_REF_SIGNALING
   int ctx = 0;
   if (mi) {
-    if (has_second_ref(mi)) ctx = mi->comp_group_idx;
-#if CONFIG_NEW_REF_SIGNALING
+    if (has_second_ref(mi))
+      ctx = mi->comp_group_idx;
     else if (mi->ref_frame[0] == furthest_future_ref)
-#else
-    else if (mi->ref_frame[0] == ALTREF_FRAME)
-#endif  // CONFIG_NEW_REF_SIGNALING
       ctx = 2;
   }
 
@@ -483,7 +463,6 @@
   return xd->tile_ctx->skip_txfm_cdfs[av1_get_skip_txfm_context(xd)];
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 int av1_get_ref_pred_context(const MACROBLOCKD *xd, MV_REFERENCE_FRAME ref,
                              int num_total_refs);
 
@@ -531,127 +510,6 @@
                            xd, ref, num_total_refs)][bit_type][ref - 1];
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
 }
-#else
-int av1_get_comp_reference_type_context(const MACROBLOCKD *xd);
-
-// == Uni-directional contexts ==
-
-int av1_get_pred_context_uni_comp_ref_p(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_uni_comp_ref_p1(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_uni_comp_ref_p2(const MACROBLOCKD *xd);
-
-static INLINE aom_cdf_prob *av1_get_comp_reference_type_cdf(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_comp_reference_type_context(xd);
-  return xd->tile_ctx->comp_ref_type_cdf[pred_context];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_uni_comp_ref_p(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_uni_comp_ref_p(xd);
-  return xd->tile_ctx->uni_comp_ref_cdf[pred_context][0];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_uni_comp_ref_p1(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_uni_comp_ref_p1(xd);
-  return xd->tile_ctx->uni_comp_ref_cdf[pred_context][1];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_uni_comp_ref_p2(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_uni_comp_ref_p2(xd);
-  return xd->tile_ctx->uni_comp_ref_cdf[pred_context][2];
-}
-
-// == Bi-directional contexts ==
-
-int av1_get_pred_context_comp_ref_p(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_comp_ref_p1(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_comp_ref_p2(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_comp_bwdref_p(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_comp_bwdref_p1(const MACROBLOCKD *xd);
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_comp_ref_p(const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_comp_ref_p(xd);
-  return xd->tile_ctx->comp_ref_cdf[pred_context][0];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_comp_ref_p1(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_comp_ref_p1(xd);
-  return xd->tile_ctx->comp_ref_cdf[pred_context][1];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_comp_ref_p2(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_comp_ref_p2(xd);
-  return xd->tile_ctx->comp_ref_cdf[pred_context][2];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_comp_bwdref_p(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_comp_bwdref_p(xd);
-  return xd->tile_ctx->comp_bwdref_cdf[pred_context][0];
-}
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_comp_bwdref_p1(
-    const MACROBLOCKD *xd) {
-  const int pred_context = av1_get_pred_context_comp_bwdref_p1(xd);
-  return xd->tile_ctx->comp_bwdref_cdf[pred_context][1];
-}
-
-// == Single contexts ==
-
-int av1_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_single_ref_p3(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_single_ref_p4(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_single_ref_p5(const MACROBLOCKD *xd);
-
-int av1_get_pred_context_single_ref_p6(const MACROBLOCKD *xd);
-
-static INLINE aom_cdf_prob *av1_get_pred_cdf_single_ref_p1(
-    const MACROBLOCKD *xd) {
-  return xd->tile_ctx
-      ->single_ref_cdf[av1_get_pred_context_single_ref_p1(xd)][0];
-}
-static INLINE aom_cdf_prob *av1_get_pred_cdf_single_ref_p2(
-    const MACROBLOCKD *xd) {
-  return xd->tile_ctx
-      ->single_ref_cdf[av1_get_pred_context_single_ref_p2(xd)][1];
-}
-static INLINE aom_cdf_prob *av1_get_pred_cdf_single_ref_p3(
-    const MACROBLOCKD *xd) {
-  return xd->tile_ctx
-      ->single_ref_cdf[av1_get_pred_context_single_ref_p3(xd)][2];
-}
-static INLINE aom_cdf_prob *av1_get_pred_cdf_single_ref_p4(
-    const MACROBLOCKD *xd) {
-  return xd->tile_ctx
-      ->single_ref_cdf[av1_get_pred_context_single_ref_p4(xd)][3];
-}
-static INLINE aom_cdf_prob *av1_get_pred_cdf_single_ref_p5(
-    const MACROBLOCKD *xd) {
-  return xd->tile_ctx
-      ->single_ref_cdf[av1_get_pred_context_single_ref_p5(xd)][4];
-}
-static INLINE aom_cdf_prob *av1_get_pred_cdf_single_ref_p6(
-    const MACROBLOCKD *xd) {
-  return xd->tile_ctx
-      ->single_ref_cdf[av1_get_pred_context_single_ref_p6(xd)][5];
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 // Returns a context number for the given MB prediction signal
 // The mode info data structure has a one element border above and to the
diff --git a/av1/common/seg_common.c b/av1/common/seg_common.c
index 5d707c9..dcc80ad 100644
--- a/av1/common/seg_common.c
+++ b/av1/common/seg_common.c
@@ -17,22 +17,11 @@
 #include "av1/common/seg_common.h"
 #include "av1/common/quant_common.h"
 
-static const int seg_feature_data_signed[SEG_LVL_MAX] = { 1, 1, 1, 1, 1,
-#if !CONFIG_NEW_REF_SIGNALING
-                                                          0,
-#endif  // !CONFIG_NEW_REF_SIGNALING
-                                                          0, 0 };
+static const int seg_feature_data_signed[SEG_LVL_MAX] = { 1, 1, 1, 1, 1, 0, 0 };
 
-static const int seg_feature_data_max[SEG_LVL_MAX] = { MAXQ,
-                                                       MAX_LOOP_FILTER,
-                                                       MAX_LOOP_FILTER,
-                                                       MAX_LOOP_FILTER,
-                                                       MAX_LOOP_FILTER,
-#if !CONFIG_NEW_REF_SIGNALING
-                                                       7,
-#endif  // !CONFIG_NEW_REF_SIGNALING
-                                                       0,
-                                                       0 };
+static const int seg_feature_data_max[SEG_LVL_MAX] = {
+  MAXQ, MAX_LOOP_FILTER, MAX_LOOP_FILTER, MAX_LOOP_FILTER, MAX_LOOP_FILTER, 0, 0
+};
 
 // These functions provide access to new segment level features.
 // Eventually these function may be "optimized out" but for the moment,
@@ -50,11 +39,7 @@
   for (int i = 0; i < MAX_SEGMENTS; i++) {
     for (int j = 0; j < SEG_LVL_MAX; j++) {
       if (seg->feature_mask[i] & (1 << j)) {
-#if CONFIG_NEW_REF_SIGNALING
         seg->segid_preskip |= (j >= SEG_LVL_ALT_LF_V);
-#else
-        seg->segid_preskip |= (j >= SEG_LVL_REF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
         seg->last_active_segid = i;
       }
     }
diff --git a/av1/common/seg_common.h b/av1/common/seg_common.h
index 62a1026..7d959f4 100644
--- a/av1/common/seg_common.h
+++ b/av1/common/seg_common.h
@@ -31,10 +31,7 @@
   SEG_LVL_ALT_LF_Y_H,  // Use alternate loop filter value on y plane horizontal
   SEG_LVL_ALT_LF_U,    // Use alternate loop filter value on u plane
   SEG_LVL_ALT_LF_V,    // Use alternate loop filter value on v plane
-#if !CONFIG_NEW_REF_SIGNALING
-  SEG_LVL_REF_FRAME,  // Optional Segment reference frame
-#endif                // !CONFIG_NEW_REF_SIGNALING
-  SEG_LVL_SKIP,       // Optional Segment (0,0) + skip mode
+  SEG_LVL_SKIP,        // Optional Segment (0,0) + skip mode
   SEG_LVL_GLOBALMV,
   SEG_LVL_MAX
 } UENUM1BYTE(SEG_LVL_FEATURES);
diff --git a/av1/common/tip.c b/av1/common/tip.c
index 957391b..56408f3 100644
--- a/av1/common/tip.c
+++ b/av1/common/tip.c
@@ -40,11 +40,7 @@
   const int cur_order_hint = cm->current_frame.order_hint;
 
   // Identify the nearest forward and backward references.
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
-#else
-  for (int i = LAST_FRAME; i < REF_FRAMES; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const RefCntBuffer *const buf = get_ref_frame_buf(cm, i);
     if (buf == NULL) continue;
 
@@ -76,23 +72,12 @@
   const RefCntBuffer *const start_frame_buf =
       get_ref_frame_buf(cm, start_frame);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
   for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) {
     if (ref_order_hints[rf] == target_frame_order) {
       return 1;
     }
   }
-#else
-  const unsigned int *const ref_order_hints =
-      &start_frame_buf->ref_order_hints[0];
-  for (MV_REFERENCE_FRAME rf = LAST_FRAME; rf <= INTER_REFS_PER_FRAME; ++rf) {
-    const int ref_order = ref_order_hints[rf - LAST_FRAME];
-    if (ref_order == target_frame_order) {
-      return 1;
-    }
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   return 0;
 }
@@ -131,11 +116,7 @@
   assert(start_frame_buf->width == cm->width &&
          start_frame_buf->height == cm->height);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const ref_order_hints = start_frame_buf->ref_order_hints;
-#else
-  const unsigned int *const ref_order_hints = start_frame_buf->ref_order_hints;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const int cur_order_hint = cm->cur_frame->order_hint;
   int start_to_current_frame_offset = get_relative_dist(
       order_hint_info, start_frame_order_hint, cur_order_hint);
@@ -163,12 +144,7 @@
                                           mv_ref->ref_frame[1] };
       for (int idx = 0; idx < 2; ++idx) {
         if (is_inter_ref_frame(ref_frame[idx])) {
-#if CONFIG_NEW_REF_SIGNALING
           const int ref_frame_order_hint = ref_order_hints[ref_frame[idx]];
-#else
-          const int ref_frame_order_hint =
-              ref_order_hints[ref_frame[idx] - LAST_FRAME];
-#endif  // #if CONFIG_NEW_REF_SIGNALING
           if (ref_frame_order_hint == target_order_hint) {
             MV ref_mv = mv_ref->mv[idx].as_mv;
             int_mv this_mv;
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 21ad549..ff770b9 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -1315,12 +1315,7 @@
   const int mi_col = xd->mi_col;
   for (int ref = 0; ref < 1 + has_second_ref(mbmi); ++ref) {
     const MV_REFERENCE_FRAME frame = mbmi->ref_frame[ref];
-#if CONFIG_NEW_REF_SIGNALING
     if (frame == INTRA_FRAME) {
-#else
-    if (frame < LAST_FRAME) {
-      assert(frame == INTRA_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
       assert(is_intrabc_block(mbmi, xd->tree_type));
       assert(ref == 0);
     } else {
@@ -3681,11 +3676,7 @@
   int width, height;
   int found = 0;
   int has_valid_ref_frame = 0;
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (aom_rb_read_bit(rb)) {
       const RefCntBuffer *const ref_buf = get_ref_frame_buf(cm, i);
       // This will never be NULL in a normal stream, as streams are required to
@@ -3725,13 +3716,9 @@
     aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
                        "Invalid frame size");
 
-    // Check to make sure at least one of frames that this frame references has
-    // valid dimensions.
-#if CONFIG_NEW_REF_SIGNALING
+  // Check to make sure at least one of frames that this frame references has
+  // valid dimensions.
   for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const RefCntBuffer *const ref_frame = get_ref_frame_buf(cm, i);
     has_valid_ref_frame |=
         valid_ref_frame_size(ref_frame->buf.y_crop_width,
@@ -3740,11 +3727,7 @@
   if (!has_valid_ref_frame)
     aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
                        "Referenced frame has invalid size");
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const RefCntBuffer *const ref_frame = get_ref_frame_buf(cm, i);
     if (!valid_ref_frame_img_fmt(
             ref_frame->buf.bit_depth, ref_frame->buf.subsampling_x,
@@ -6064,7 +6047,6 @@
 #if CONFIG_REF_MV_BANK
   seq_params->enable_refmvbank = aom_rb_read_bit(rb);
 #endif  // CONFIG_REF_MV_BANK
-#if CONFIG_NEW_REF_SIGNALING
   seq_params->explicit_ref_frame_map = aom_rb_read_bit(rb);
   // A bit is sent here to indicate if the max number of references is 7. If
   // this bit is 0, then two more bits are sent to indicate the exact number
@@ -6077,7 +6059,6 @@
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
   seq_params->num_same_ref_compound = aom_rb_read_literal(rb, 2);
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#endif  // CONFIG_NEW_REF_SIGNALING
   seq_params->enable_sdp = aom_rb_read_bit(rb);
 #if CONFIG_IST
   seq_params->enable_ist = aom_rb_read_bit(rb);
@@ -6232,11 +6213,7 @@
 
 static AOM_INLINE void read_global_motion(AV1_COMMON *cm,
                                           struct aom_read_bit_buffer *rb) {
-#if CONFIG_NEW_REF_SIGNALING
   for (int frame = 0; frame < cm->ref_frames_info.num_total_refs; ++frame) {
-#else
-  for (int frame = LAST_FRAME; frame <= ALTREF_FRAME; ++frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const WarpedMotionParams *ref_params =
         cm->prev_frame ? &cm->prev_frame->global_motion[frame]
                        : &default_warp_params;
@@ -6278,13 +6255,8 @@
            cm->global_motion[frame].wmmat[3]);
            */
   }
-#if CONFIG_NEW_REF_SIGNALING
   memcpy(cm->cur_frame->global_motion, cm->global_motion,
          INTER_REFS_PER_FRAME * sizeof(WarpedMotionParams));
-#else
-  memcpy(cm->cur_frame->global_motion, cm->global_motion,
-         REF_FRAMES * sizeof(WarpedMotionParams));
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 // Release the references to the frame buffers in cm->ref_frame_map and reset
@@ -6364,7 +6336,6 @@
   if (current_frame->frame_type == KEY_FRAME && cm->show_existing_frame)
     return 0;
 
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_DISPLAY_ORDER_HINT_FIX
   // For key frames, the implicit derivation of display_order_hit is not
   // applied.
@@ -6397,9 +6368,6 @@
     cur_disp_order_hint += display_order_hint_factor;
   }
   return cur_disp_order_hint;
-#else
-  return current_frame->order_hint;
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 // On success, returns 0. On failure, calls aom_internal_error and does not
@@ -6769,15 +6737,12 @@
           // use a different approach.
           cm->ref_frame_map[ref_idx] = buf;
           buf->order_hint = order_hint;
-#if CONFIG_NEW_REF_SIGNALING
           // TODO(kslu) This is a workaround for error resilient mode. Make
           // it more consistent with get_disp_order_hint().
           buf->display_order_hint = order_hint;
-#endif  // CONFIG_NEW_REF_SIGNALING
         }
       }
     }
-#if CONFIG_NEW_REF_SIGNALING
     if (features->error_resilient_mode) {
       // Read all ref frame base_qindex
       for (int ref_idx = 0; ref_idx < REF_FRAMES; ref_idx++) {
@@ -6787,7 +6752,6 @@
                                                        : QINDEX_BITS);
       }
     }
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 
   if (current_frame->frame_type == KEY_FRAME) {
@@ -6841,7 +6805,6 @@
 #endif  // CONFIG_IBC_SR_EXT
 
     } else if (pbi->need_resync != 1) { /* Skip if need resync */
-#if CONFIG_NEW_REF_SIGNALING
       // Implicitly derive the reference mapping
       RefFrameMapPair ref_frame_map_pairs[REF_FRAMES];
       init_ref_map_pair(cm, ref_frame_map_pairs,
@@ -6853,39 +6816,7 @@
           AOMMIN(cm->seq_params.num_same_ref_compound,
                  cm->ref_frames_info.num_total_refs);
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#else
-      int frame_refs_short_signaling = 0;
-      // Frame refs short signaling is off when error resilient mode is on.
-      if (seq_params->order_hint_info.enable_order_hint)
-        frame_refs_short_signaling = aom_rb_read_bit(rb);
 
-      if (frame_refs_short_signaling) {
-        // == LAST_FRAME ==
-        const int lst_ref = aom_rb_read_literal(rb, REF_FRAMES_LOG2);
-        const RefCntBuffer *const lst_buf = cm->ref_frame_map[lst_ref];
-
-        // == GOLDEN_FRAME ==
-        const int gld_ref = aom_rb_read_literal(rb, REF_FRAMES_LOG2);
-        const RefCntBuffer *const gld_buf = cm->ref_frame_map[gld_ref];
-
-        // Most of the time, streams start with a keyframe. In that case,
-        // ref_frame_map will have been filled in at that point and will not
-        // contain any NULLs. However, streams are explicitly allowed to start
-        // with an intra-only frame, so long as they don't then signal a
-        // reference to a slot that hasn't been set yet. That's what we are
-        // checking here.
-        if (lst_buf == NULL)
-          aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
-                             "Inter frame requests nonexistent reference");
-        if (gld_buf == NULL)
-          aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
-                             "Inter frame requests nonexistent reference");
-
-        av1_set_frame_refs(cm, cm->remapped_ref_idx, lst_ref, gld_ref);
-      }
-#endif  // CONFIG_NEW_REF_SIGNALING
-
-#if CONFIG_NEW_REF_SIGNALING
       // Reference rankings have been implicitly derived in av1_get_ref_frames.
       // However, reference indices can be overwritten if they have been
       // signaled, which happens in error resilient mode or when order hint
@@ -6904,12 +6835,6 @@
           if (cm->ref_frame_map[ref] == NULL)
             aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
                                "Inter frame requests nonexistent reference");
-#else
-      for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-        int ref = 0;
-        if (frame_refs_short_signaling) {
-          ref = cm->remapped_ref_idx[i];
-#endif  // CONFIG_NEW_REF_SIGNALING
         } else {
           ref = aom_rb_read_literal(rb, REF_FRAMES_LOG2);
 
@@ -6929,10 +6854,6 @@
           aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
                              "Reference frame not valid for referencing");
 
-#if !CONFIG_NEW_REF_SIGNALING
-        cm->ref_frame_sign_bias[LAST_FRAME + i] = 0;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
         if (seq_params->frame_id_numbers_present_flag) {
           int frame_id_length = seq_params->frame_id_length;
           int diff_len = seq_params->delta_frame_id_length;
@@ -6948,7 +6869,6 @@
                                "Reference buffer frame ID mismatch");
         }
       }
-#if CONFIG_NEW_REF_SIGNALING
       // With explicit_ref_frame_map, cm->remapped_ref_idx has been
       // overwritten. The reference lists also needs to be reset.
       if (explicit_ref_frame_map) {
@@ -6964,7 +6884,6 @@
         }
         av1_get_past_future_cur_ref_lists(cm, scores);
       }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
       if (!features->error_resilient_mode && frame_size_override_flag) {
         setup_frame_size_with_refs(cm, rb);
@@ -7088,14 +7007,9 @@
 
     if (!(current_frame->frame_type == INTRA_ONLY_FRAME) &&
         pbi->need_resync != 1) {
-#if CONFIG_NEW_REF_SIGNALING
       for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
         const RefCntBuffer *const ref_buf = get_ref_frame_buf(cm, i);
         if (!ref_buf) continue;
-#else
-      for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-        const RefCntBuffer *const ref_buf = get_ref_frame_buf(cm, i);
-#endif  // CONFIG_NEW_REF_SIGNALING
         struct scale_factors *const ref_scale_factors =
             get_ref_scale_factors(cm, i);
         av1_setup_scale_factors_for_frame(
@@ -7191,9 +7105,7 @@
     cm->quant_params.base_qindex = aom_rb_read_literal(
         rb, cm->seq_params.bit_depth == AOM_BITS_8 ? QINDEX_BITS_UNEXT
                                                    : QINDEX_BITS);
-#if CONFIG_NEW_REF_SIGNALING
     cm->cur_frame->base_qindex = cm->quant_params.base_qindex;
-#endif  // CONFIG_NEW_REF_SIGNALING
     features->refresh_frame_context = REFRESH_FRAME_CONTEXT_DISABLED;
     read_tile_info(pbi, rb);
     cm->cur_frame->film_grain_params_present =
@@ -7228,9 +7140,7 @@
   CommonQuantParams *const quant_params = &cm->quant_params;
   setup_quantization(quant_params, av1_num_planes(cm), cm->seq_params.bit_depth,
                      cm->seq_params.separate_uv_delta_q, rb);
-#if CONFIG_NEW_REF_SIGNALING
   cm->cur_frame->base_qindex = quant_params->base_qindex;
-#endif  // CONFIG_NEW_REF_SIGNALING
   xd->bd = (int)seq_params->bit_depth;
 
   CommonContexts *const above_contexts = &cm->above_contexts;
@@ -7436,11 +7346,7 @@
     av1_copy_tip_frame_tmvp_mvs(cm);
     aom_yv12_copy_frame(&cm->tip_ref.tip_frame->buf, &cm->cur_frame->buf,
                         num_planes);
-#if CONFIG_NEW_REF_SIGNALING
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-      for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       cm->global_motion[i] = default_warp_params;
       cm->cur_frame->global_motion[i] = default_warp_params;
     }
@@ -7469,11 +7375,7 @@
   mismatch_move_frame_idx_r();
 #endif
 
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     cm->global_motion[i] = default_warp_params;
     cm->cur_frame->global_motion[i] = default_warp_params;
   }
diff --git a/av1/decoder/decodemv.c b/av1/decoder/decodemv.c
index cb7fd0a..e1a7dc7 100644
--- a/av1/decoder/decodemv.c
+++ b/av1/decoder/decodemv.c
@@ -869,12 +869,7 @@
   if (!is_comp_ref_allowed(xd->mi[0]->sb_type[xd->tree_type == CHROMA_PART]))
     return 0;
 
-#if CONFIG_NEW_REF_SIGNALING
   if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-#else
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME) ||
-      segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     // These features imply single-reference mode, while skip mode implies
     // compound reference. Hence, the two are mutually exclusive.
     // In other words, skip_mode is implicitly 0 here.
@@ -1963,7 +1958,6 @@
   }
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 static AOM_INLINE void read_single_ref(
     MACROBLOCKD *const xd, MV_REFERENCE_FRAME ref_frame[2],
     const RefFramesInfo *const ref_frames_info, aom_reader *r) {
@@ -2016,29 +2010,11 @@
   if (n_bits < 1) ref_frame[0] = n_refs - 2;
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
 }
-#else
-#define READ_REF_BIT(pname) \
-  aom_read_symbol(r, av1_get_pred_cdf_##pname(xd), 2, ACCT_STR)
-
-static COMP_REFERENCE_TYPE read_comp_reference_type(const MACROBLOCKD *xd,
-                                                    aom_reader *r) {
-  const int ctx = av1_get_comp_reference_type_context(xd);
-  const COMP_REFERENCE_TYPE comp_ref_type =
-      (COMP_REFERENCE_TYPE)aom_read_symbol(
-          r, xd->tile_ctx->comp_ref_type_cdf[ctx], 2, ACCT_STR);
-  return comp_ref_type;  // UNIDIR_COMP_REFERENCE or BIDIR_COMP_REFERENCE
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 static void set_ref_frames_for_skip_mode(AV1_COMMON *const cm,
                                          MV_REFERENCE_FRAME ref_frame[2]) {
-#if CONFIG_NEW_REF_SIGNALING
   ref_frame[0] = cm->current_frame.skip_mode_info.ref_frame_idx_0;
   ref_frame[1] = cm->current_frame.skip_mode_info.ref_frame_idx_1;
-#else
-  ref_frame[0] = LAST_FRAME + cm->current_frame.skip_mode_info.ref_frame_idx_0;
-  ref_frame[1] = LAST_FRAME + cm->current_frame.skip_mode_info.ref_frame_idx_1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 // Read the reference frame
@@ -2071,102 +2047,17 @@
   if (is_tip_ref_frame(ref_frame[0])) return;
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
   if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) ||
       segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
     ref_frame[0] = get_closest_pastcur_ref_index(cm);
     ref_frame[1] = NONE_FRAME;
-#else
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-    ref_frame[0] = (MV_REFERENCE_FRAME)get_segdata(&cm->seg, segment_id,
-                                                   SEG_LVL_REF_FRAME);
-    ref_frame[1] = NONE_FRAME;
-  } else if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) ||
-             segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-    ref_frame[0] = LAST_FRAME;
-    ref_frame[1] = NONE_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
   } else {
     const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r);
 
     if (mode == COMPOUND_REFERENCE) {
-#if CONFIG_NEW_REF_SIGNALING
       read_compound_ref(xd, ref_frame, &cm->ref_frames_info, r);
-#else
-      const COMP_REFERENCE_TYPE comp_ref_type = read_comp_reference_type(xd, r);
-
-      if (comp_ref_type == UNIDIR_COMP_REFERENCE) {
-        const int bit = READ_REF_BIT(uni_comp_ref_p);
-        if (bit) {
-          ref_frame[0] = BWDREF_FRAME;
-          ref_frame[1] = ALTREF_FRAME;
-        } else {
-          const int bit1 = READ_REF_BIT(uni_comp_ref_p1);
-          if (bit1) {
-            const int bit2 = READ_REF_BIT(uni_comp_ref_p2);
-            if (bit2) {
-              ref_frame[0] = LAST_FRAME;
-              ref_frame[1] = GOLDEN_FRAME;
-            } else {
-              ref_frame[0] = LAST_FRAME;
-              ref_frame[1] = LAST3_FRAME;
-            }
-          } else {
-            ref_frame[0] = LAST_FRAME;
-            ref_frame[1] = LAST2_FRAME;
-          }
-        }
-
-        return;
-      }
-
-      assert(comp_ref_type == BIDIR_COMP_REFERENCE);
-
-      const int idx = 1;
-      const int bit = READ_REF_BIT(comp_ref_p);
-      // Decode forward references.
-      if (!bit) {
-        const int bit1 = READ_REF_BIT(comp_ref_p1);
-        ref_frame[!idx] = bit1 ? LAST2_FRAME : LAST_FRAME;
-      } else {
-        const int bit2 = READ_REF_BIT(comp_ref_p2);
-        ref_frame[!idx] = bit2 ? GOLDEN_FRAME : LAST3_FRAME;
-      }
-
-      // Decode backward references.
-      const int bit_bwd = READ_REF_BIT(comp_bwdref_p);
-      if (!bit_bwd) {
-        const int bit1_bwd = READ_REF_BIT(comp_bwdref_p1);
-        ref_frame[idx] = bit1_bwd ? ALTREF2_FRAME : BWDREF_FRAME;
-      } else {
-        ref_frame[idx] = ALTREF_FRAME;
-      }
-#endif  // CONFIG_NEW_REF_SIGNALING
     } else if (mode == SINGLE_REFERENCE) {
-#if CONFIG_NEW_REF_SIGNALING
       read_single_ref(xd, ref_frame, &cm->ref_frames_info, r);
-#else
-      const int bit0 = READ_REF_BIT(single_ref_p1);
-      if (bit0) {
-        const int bit1 = READ_REF_BIT(single_ref_p2);
-        if (!bit1) {
-          const int bit5 = READ_REF_BIT(single_ref_p6);
-          ref_frame[0] = bit5 ? ALTREF2_FRAME : BWDREF_FRAME;
-        } else {
-          ref_frame[0] = ALTREF_FRAME;
-        }
-      } else {
-        const int bit2 = READ_REF_BIT(single_ref_p3);
-        if (bit2) {
-          const int bit4 = READ_REF_BIT(single_ref_p5);
-          ref_frame[0] = bit4 ? GOLDEN_FRAME : LAST3_FRAME;
-        } else {
-          const int bit3 = READ_REF_BIT(single_ref_p4);
-          ref_frame[0] = bit3 ? LAST2_FRAME : LAST_FRAME;
-        }
-      }
-
-#endif  // CONFIG_NEW_REF_SIGNALING
       ref_frame[1] = NONE_FRAME;
     } else {
       assert(0 && "Invalid prediction mode.");
@@ -2623,13 +2514,6 @@
                                const int skip_txfm
 #endif  // CONFIG_CONTEXT_DERIVATION
 ) {
-#if !CONFIG_NEW_REF_SIGNALING
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-    const int frame = get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME);
-    if (frame < LAST_FRAME) return 0;
-    return frame != INTRA_FRAME;
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
   if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
     return 1;
   }
diff --git a/av1/decoder/decoder.c b/av1/decoder/decoder.c
index ffac997..56b05f5 100644
--- a/av1/decoder/decoder.c
+++ b/av1/decoder/decoder.c
@@ -546,12 +546,8 @@
     // TODO(jkoleszar): Error concealment is undefined and non-normative
     // at this point, but if it becomes so, [0] may not always be the correct
     // thing to do here.
-#if CONFIG_NEW_REF_SIGNALING
     const int last_frame = get_closest_pastcur_ref_index(cm);
     RefCntBuffer *ref_buf = get_ref_frame_buf(cm, last_frame);
-#else
-    RefCntBuffer *ref_buf = get_ref_frame_buf(cm, LAST_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (ref_buf != NULL) ref_buf->buf.corrupted = 1;
   }
 
diff --git a/av1/encoder/aq_complexity.c b/av1/encoder/aq_complexity.c
index 0dea610..bbf9a1e 100644
--- a/av1/encoder/aq_complexity.c
+++ b/av1/encoder/aq_complexity.c
@@ -50,16 +50,9 @@
 static bool is_frame_aq_enabled(const AV1_COMP *const cpi) {
   const AV1_COMMON *const cm = &cpi->common;
 
-#if CONFIG_NEW_REF_SIGNALING
   (void)cm;
   // TODO(kslu) enable this for nrs
   return 0;
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-  return frame_is_intra_only(cm) || cm->features.error_resilient_mode ||
-         refresh_frame_flags->alt_ref_frame ||
-         (refresh_frame_flags->golden_frame && !cpi->rc.is_src_frame_alt_ref);
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 // Segmentation only makes sense if the target bits per SB is above a threshold.
diff --git a/av1/encoder/aq_cyclicrefresh.c b/av1/encoder/aq_cyclicrefresh.c
index 6602c20..dec9b59 100644
--- a/av1/encoder/aq_cyclicrefresh.c
+++ b/av1/encoder/aq_cyclicrefresh.c
@@ -389,12 +389,6 @@
     cr->percent_refresh = 10;
     cr->rate_ratio_qdelta = 1.5;
     cr->rate_boost_fac = 10;
-#if !CONFIG_NEW_REF_SIGNALING
-    if (cpi->refresh_frame.golden_frame) {
-      cr->percent_refresh = 0;
-      cr->rate_ratio_qdelta = 1.0;
-    }
-#endif  // !CONFIG_NEW_REF_SIGNALING
   }
   // Weight for segment prior to encoding: take the average of the target
   // number for the frame to be encoded and the actual from the previous frame.
@@ -511,8 +505,5 @@
   CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
   memset(cr->map, 0, cm->mi_params.mi_rows * cm->mi_params.mi_cols);
   cr->sb_index = 0;
-#if !CONFIG_NEW_REF_SIGNALING
-  cpi->refresh_frame.golden_frame = true;
-#endif  // !CONFIG_NEW_REF_SIGNALING
   cr->apply_cyclic_refresh = 0;
 }
diff --git a/av1/encoder/aq_variance.c b/av1/encoder/aq_variance.c
index 8fb9378..87cb76d 100644
--- a/av1/encoder/aq_variance.c
+++ b/av1/encoder/aq_variance.c
@@ -43,9 +43,6 @@
 
 void av1_vaq_frame_setup(AV1_COMP *cpi) {
   AV1_COMMON *cm = &cpi->common;
-#if !CONFIG_NEW_REF_SIGNALING
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // !CONFIG_NEW_REF_SIGNALING
   const int base_qindex = cm->quant_params.base_qindex;
   struct segmentation *seg = &cm->seg;
   int i;
@@ -66,13 +63,7 @@
     av1_disable_segmentation(seg);
     return;
   }
-#if CONFIG_NEW_REF_SIGNALING
   if (frame_is_intra_only(cm) || cm->features.error_resilient_mode) {
-#else
-  if (frame_is_intra_only(cm) || cm->features.error_resilient_mode ||
-      refresh_frame_flags->alt_ref_frame ||
-      (refresh_frame_flags->golden_frame && !cpi->rc.is_src_frame_alt_ref)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     cpi->vaq_refresh = 1;
 
     av1_enable_segmentation(seg);
diff --git a/av1/encoder/av1_quantize.c b/av1/encoder/av1_quantize.c
index 9b16a19..2054fe4 100644
--- a/av1/encoder/av1_quantize.c
+++ b/av1/encoder/av1_quantize.c
@@ -553,9 +553,7 @@
   // delta_q changes.
   CommonQuantParams *quant_params = &cm->quant_params;
   quant_params->base_qindex = AOMMAX(cm->delta_q_info.delta_q_present_flag, q);
-#if CONFIG_NEW_REF_SIGNALING
   cm->cur_frame->base_qindex = quant_params->base_qindex;
-#endif  // CONFIG_NEW_REF_SIGNALING
   set_frame_dc_delta_q(cm, &quant_params->y_dc_delta_q, enable_chroma_deltaq,
                        &quant_params->u_dc_delta_q, &quant_params->v_dc_delta_q,
                        &quant_params->u_ac_delta_q,
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 9bae37a..57fec3f 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -380,12 +380,7 @@
     assert(!skip_mode);
     return 0;
   }
-#if CONFIG_NEW_REF_SIGNALING
   if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-#else
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME) ||
-      segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     // These features imply single-reference mode, while skip mode implies
     // compound reference. Hence, the two are mutually exclusive.
     // In other words, skip_mode is implicitly 0 here.
@@ -405,23 +400,17 @@
                                       const int skip_txfm
 #endif  // CONFIG_CONTEXT_DERIVATION
 ) {
-#if !CONFIG_NEW_REF_SIGNALING
-  if (!segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-#endif  // !CONFIG_NEW_REF_SIGNALING
-    if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-      assert(is_inter);
-      return;
-    }
-    const int ctx = av1_get_intra_inter_context(xd);
-    FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
+  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
+    assert(is_inter);
+    return;
+  }
+  const int ctx = av1_get_intra_inter_context(xd);
+  FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
 #if CONFIG_CONTEXT_DERIVATION
-    aom_write_symbol(w, is_inter, ec_ctx->intra_inter_cdf[skip_txfm][ctx], 2);
+  aom_write_symbol(w, is_inter, ec_ctx->intra_inter_cdf[skip_txfm][ctx], 2);
 #else
   aom_write_symbol(w, is_inter, ec_ctx->intra_inter_cdf[ctx], 2);
 #endif  // CONFIG_CONTEXT_DERIVATION
-#if !CONFIG_NEW_REF_SIGNALING
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
 }
 
 #if CONFIG_WEDGE_MOD_EXT
@@ -907,7 +896,6 @@
                          mi_col, mbmi->segment_id);
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 static AOM_INLINE void write_single_ref(
     const MACROBLOCKD *xd, const RefFramesInfo *const ref_frames_info,
     aom_writer *w) {
@@ -966,10 +954,6 @@
   assert(IMPLIES(n_bits < 1, AOMMIN(ref0, ref1) == n_refs - 2));
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
 }
-#else
-#define WRITE_REF_BIT(bname, pname) \
-  aom_write_symbol(w, bname, av1_get_pred_cdf_##pname(xd), 2)
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 // This function encodes the reference frame
 static AOM_INLINE void write_ref_frames(const AV1_COMMON *cm,
@@ -980,19 +964,9 @@
 
   // If segment level coding of this signal is disabled...
   // or the segment allows multiple reference frame options
-#if CONFIG_NEW_REF_SIGNALING
   if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) ||
       segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
     assert(mbmi->ref_frame[0] == get_closest_pastcur_ref_index(cm));
-#else
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-    assert(!is_compound);
-    assert(mbmi->ref_frame[0] ==
-           get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME));
-  } else if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) ||
-             segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) {
-    assert(mbmi->ref_frame[0] == LAST_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
     assert(!is_compound);
   } else {
     // does the feature use compound prediction or not
@@ -1006,86 +980,9 @@
     }
 
     if (is_compound) {
-#if CONFIG_NEW_REF_SIGNALING
       write_compound_ref(xd, &cm->ref_frames_info, w);
-#else
-      const COMP_REFERENCE_TYPE comp_ref_type = has_uni_comp_refs(mbmi)
-                                                    ? UNIDIR_COMP_REFERENCE
-                                                    : BIDIR_COMP_REFERENCE;
-      aom_write_symbol(w, comp_ref_type, av1_get_comp_reference_type_cdf(xd),
-                       2);
-
-      if (comp_ref_type == UNIDIR_COMP_REFERENCE) {
-        const int bit = mbmi->ref_frame[0] == BWDREF_FRAME;
-        WRITE_REF_BIT(bit, uni_comp_ref_p);
-
-        if (!bit) {
-          assert(mbmi->ref_frame[0] == LAST_FRAME);
-          const int bit1 = mbmi->ref_frame[1] == LAST3_FRAME ||
-                           mbmi->ref_frame[1] == GOLDEN_FRAME;
-          WRITE_REF_BIT(bit1, uni_comp_ref_p1);
-          if (bit1) {
-            const int bit2 = mbmi->ref_frame[1] == GOLDEN_FRAME;
-            WRITE_REF_BIT(bit2, uni_comp_ref_p2);
-          }
-        } else {
-          assert(mbmi->ref_frame[1] == ALTREF_FRAME);
-        }
-
-        return;
-      }
-
-      assert(comp_ref_type == BIDIR_COMP_REFERENCE);
-
-      const int bit = (mbmi->ref_frame[0] == GOLDEN_FRAME ||
-                       mbmi->ref_frame[0] == LAST3_FRAME);
-      WRITE_REF_BIT(bit, comp_ref_p);
-
-      if (!bit) {
-        const int bit1 = mbmi->ref_frame[0] == LAST2_FRAME;
-        WRITE_REF_BIT(bit1, comp_ref_p1);
-      } else {
-        const int bit2 = mbmi->ref_frame[0] == GOLDEN_FRAME;
-        WRITE_REF_BIT(bit2, comp_ref_p2);
-      }
-
-      const int bit_bwd = mbmi->ref_frame[1] == ALTREF_FRAME;
-      WRITE_REF_BIT(bit_bwd, comp_bwdref_p);
-
-      if (!bit_bwd) {
-        WRITE_REF_BIT(mbmi->ref_frame[1] == ALTREF2_FRAME, comp_bwdref_p1);
-      }
-#endif  // CONFIG_NEW_REF_SIGNALING
-
     } else {
-#if CONFIG_NEW_REF_SIGNALING
       write_single_ref(xd, &cm->ref_frames_info, w);
-#else
-      const int bit0 = (mbmi->ref_frame[0] <= ALTREF_FRAME &&
-                        mbmi->ref_frame[0] >= BWDREF_FRAME);
-      WRITE_REF_BIT(bit0, single_ref_p1);
-
-      if (bit0) {
-        const int bit1 = mbmi->ref_frame[0] == ALTREF_FRAME;
-        WRITE_REF_BIT(bit1, single_ref_p2);
-
-        if (!bit1) {
-          WRITE_REF_BIT(mbmi->ref_frame[0] == ALTREF2_FRAME, single_ref_p6);
-        }
-      } else {
-        const int bit2 = (mbmi->ref_frame[0] == LAST3_FRAME ||
-                          mbmi->ref_frame[0] == GOLDEN_FRAME);
-        WRITE_REF_BIT(bit2, single_ref_p3);
-
-        if (!bit2) {
-          const int bit3 = mbmi->ref_frame[0] != LAST_FRAME;
-          WRITE_REF_BIT(bit3, single_ref_p4);
-        } else {
-          const int bit4 = mbmi->ref_frame[0] != LAST3_FRAME;
-          WRITE_REF_BIT(bit4, single_ref_p5);
-        }
-      }
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
   }
 }
@@ -4321,11 +4218,7 @@
   int found = 0;
 
   MV_REFERENCE_FRAME ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const YV12_BUFFER_CONFIG *cfg = get_ref_frame_yv12_buf(cm, ref_frame);
 
     if (cfg != NULL) {
@@ -4499,13 +4392,8 @@
 
   if (!pars->update_parameters) {
     int ref_frame, ref_idx;
-#if CONFIG_NEW_REF_SIGNALING
     for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ref_frame++) {
       ref_idx = get_ref_frame_map_idx(cm, ref_frame);
-#else
-    for (ref_frame = LAST_FRAME; ref_frame < REF_FRAMES; ref_frame++) {
-      ref_idx = get_ref_frame_map_idx(cm, ref_frame);
-#endif  // CONFIG_NEW_REF_SIGNALING
       assert(ref_idx != INVALID_IDX);
       const RefCntBuffer *const buf = cm->ref_frame_map[ref_idx];
       if (buf->film_grain_params_present &&
@@ -4703,7 +4591,6 @@
 #if CONFIG_REF_MV_BANK
   aom_wb_write_bit(wb, seq_params->enable_refmvbank);
 #endif  // CONFIG_REF_MV_BANK
-#if CONFIG_NEW_REF_SIGNALING
   aom_wb_write_bit(wb, seq_params->explicit_ref_frame_map);
   // A bit is sent here to indicate if the max number of references is 7. If
   // this bit is 0, then two more bits are sent to indicate the exact number
@@ -4714,7 +4601,6 @@
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
   aom_wb_write_literal(wb, seq_params->num_same_ref_compound, 2);
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#endif  // CONFIG_NEW_REF_SIGNALING
   aom_wb_write_bit(wb, seq_params->enable_sdp);
 #if CONFIG_IST
   aom_wb_write_bit(wb, seq_params->enable_ist);
@@ -4843,11 +4729,7 @@
                                            struct aom_write_bit_buffer *wb) {
   AV1_COMMON *const cm = &cpi->common;
   int frame;
-#if CONFIG_NEW_REF_SIGNALING
   for (frame = 0; frame < cm->ref_frames_info.num_total_refs; ++frame) {
-#else
-  for (frame = LAST_FRAME; frame <= ALTREF_FRAME; ++frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const WarpedMotionParams *ref_params =
         cm->prev_frame ? &cm->prev_frame->global_motion[frame]
                        : &default_warp_params;
@@ -4882,76 +4764,6 @@
   }
 }
 
-#if !CONFIG_NEW_REF_SIGNALING
-static int check_frame_refs_short_signaling(AV1_COMMON *const cm) {
-  // Check whether all references are distinct frames.
-  const RefCntBuffer *seen_bufs[FRAME_BUFFERS] = { NULL };
-  int num_refs = 0;
-  for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
-    if (buf != NULL) {
-      int seen = 0;
-      for (int i = 0; i < num_refs; i++) {
-        if (seen_bufs[i] == buf) {
-          seen = 1;
-          break;
-        }
-      }
-      if (!seen) seen_bufs[num_refs++] = buf;
-    }
-  }
-
-  // We only turn on frame_refs_short_signaling when all references are
-  // distinct.
-  if (num_refs < INTER_REFS_PER_FRAME) {
-    // It indicates that there exist more than one reference frame pointing to
-    // the same reference buffer, i.e. two or more references are duplicate.
-    return 0;
-  }
-
-  // Check whether the encoder side ref frame choices are aligned with that to
-  // be derived at the decoder side.
-  int remapped_ref_idx_decoder[REF_FRAMES];
-
-  const int lst_map_idx = get_ref_frame_map_idx(cm, LAST_FRAME);
-  const int gld_map_idx = get_ref_frame_map_idx(cm, GOLDEN_FRAME);
-
-  // Set up the frame refs mapping indexes according to the
-  // frame_refs_short_signaling policy.
-  av1_set_frame_refs(cm, remapped_ref_idx_decoder, lst_map_idx, gld_map_idx);
-
-  // We only turn on frame_refs_short_signaling when the encoder side decision
-  // on ref frames is identical to that at the decoder side.
-  int frame_refs_short_signaling = 1;
-  for (int ref_idx = 0; ref_idx < INTER_REFS_PER_FRAME; ++ref_idx) {
-    // Compare the buffer index between two reference frames indexed
-    // respectively by the encoder and the decoder side decisions.
-    RefCntBuffer *ref_frame_buf_new = NULL;
-    if (remapped_ref_idx_decoder[ref_idx] != INVALID_IDX) {
-      ref_frame_buf_new = cm->ref_frame_map[remapped_ref_idx_decoder[ref_idx]];
-    }
-    if (get_ref_frame_buf(cm, LAST_FRAME + ref_idx) != ref_frame_buf_new) {
-      frame_refs_short_signaling = 0;
-      break;
-    }
-  }
-
-#if 0   // For debug
-  printf("\nFrame=%d: \n", cm->current_frame.frame_number);
-  printf("***frame_refs_short_signaling=%d\n", frame_refs_short_signaling);
-  for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    printf("enc_ref(map_idx=%d)=%d, vs. "
-        "dec_ref(map_idx=%d)=%d\n",
-        get_ref_frame_map_idx(cm, ref_frame), ref_frame,
-        cm->remapped_ref_idx[ref_frame - LAST_FRAME],
-        ref_frame);
-  }
-#endif  // 0
-
-  return frame_refs_short_signaling;
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 // New function based on HLS R18
 static AOM_INLINE void write_uncompressed_header_obu(
     AV1_COMP *cpi, struct aom_write_bit_buffer *saved_wb,
@@ -4963,10 +4775,6 @@
   CurrentFrame *const current_frame = &cm->current_frame;
   FeatureFlags *const features = &cm->features;
 
-#if !CONFIG_NEW_REF_SIGNALING
-  current_frame->frame_refs_short_signaling = 0;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   if (seq_params->still_picture) {
     assert(cm->show_existing_frame == 0);
     assert(cm->show_frame == 1);
@@ -5109,7 +4917,6 @@
             seq_params->order_hint_info.order_hint_bits_minus_1 + 1);
       }
     }
-#if CONFIG_NEW_REF_SIGNALING
     // Write all ref frame base_qindex if error_resilient_mode == 1. This is
     // required by reference mapping.
     if (features->error_resilient_mode) {
@@ -5120,7 +4927,6 @@
                                  : QINDEX_BITS);
       }
     }
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 
   if (current_frame->frame_type == KEY_FRAME) {
@@ -5172,29 +4978,6 @@
           seq_params->order_hint_info.enable_order_hint;
 #endif  // FRAME_REFS_SHORT_SIGNALING
 
-#if !CONFIG_NEW_REF_SIGNALING
-      if (current_frame->frame_refs_short_signaling) {
-        // NOTE(zoeliu@google.com):
-        //   An example solution for encoder-side implementation on frame refs
-        //   short signaling, which is only turned on when the encoder side
-        //   decision on ref frames is identical to that at the decoder side.
-        current_frame->frame_refs_short_signaling =
-            check_frame_refs_short_signaling(cm);
-      }
-
-      if (seq_params->order_hint_info.enable_order_hint)
-        aom_wb_write_bit(wb, current_frame->frame_refs_short_signaling);
-
-      if (current_frame->frame_refs_short_signaling) {
-        const int lst_ref = get_ref_frame_map_idx(cm, LAST_FRAME);
-        aom_wb_write_literal(wb, lst_ref, REF_FRAMES_LOG2);
-
-        const int gld_ref = get_ref_frame_map_idx(cm, GOLDEN_FRAME);
-        aom_wb_write_literal(wb, gld_ref, REF_FRAMES_LOG2);
-      }
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
-#if CONFIG_NEW_REF_SIGNALING
       // By default, no need to signal ref mapping indices in NRS because
       // decoder can derive them unless order_hint is not available. Explicit
       // signaling happens only when enabled by the command line flag or in
@@ -5212,13 +4995,6 @@
         if (explicit_ref_frame_map)
           aom_wb_write_literal(wb, get_ref_frame_map_idx(cm, ref_frame),
                                REF_FRAMES_LOG2);
-#else
-      for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-        assert(get_ref_frame_map_idx(cm, ref_frame) != INVALID_IDX);
-        if (!current_frame->frame_refs_short_signaling)
-          aom_wb_write_literal(wb, get_ref_frame_map_idx(cm, ref_frame),
-                               REF_FRAMES_LOG2);
-#endif  // CONFIG_NEW_REF_SIGNALING
         if (seq_params->frame_id_numbers_present_flag) {
           int i = get_ref_frame_map_idx(cm, ref_frame);
           int frame_id_len = seq_params->frame_id_length;
diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index ed8e706..bb207ee 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -243,11 +243,7 @@
   //! Number of ref mvs in the drl.
   uint8_t ref_mv_count[MODE_CTX_REF_FRAMES];
   //! Global mvs
-#if CONFIG_NEW_REF_SIGNALING
   int_mv global_mvs[INTER_REFS_PER_FRAME];
-#else
-  int_mv global_mvs[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   //! skip_mvp_candidate_list is the MVP list for skip mode.
 #if CONFIG_SKIP_MODE_DRL_WITH_REF_IDX
   SKIP_MODE_MVP_LIST skip_mvp_candidate_list;
@@ -284,11 +280,7 @@
 #endif
   // TODO(Ravi/Remya): Reduce the buffer size of global_mvs
   //! \copydoc MB_MODE_INFO_EXT::global_mvs
-#if CONFIG_NEW_REF_SIGNALING
   int_mv global_mvs[INTER_REFS_PER_FRAME];
-#else
-  int_mv global_mvs[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   //! \copydoc MB_MODE_INFO_EXT::mode_context
   int16_t mode_context;
   //! Offset of current coding block's coeff buffer relative to the sb.
@@ -903,7 +895,6 @@
    * \name Inter Costs: Ref Frame Types
    ****************************************************************************/
   /**@{*/
-#if CONFIG_NEW_REF_SIGNALING
   //! single_ref_cost
   int single_ref_cost[REF_CONTEXTS][INTER_REFS_PER_FRAME - 1][2];
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -918,26 +909,6 @@
   int comp_ref1_cost[REF_CONTEXTS][COMPREF_BIT_TYPES][INTER_REFS_PER_FRAME - 2]
                     [2];
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#else
-  //! single_ref_cost
-  int single_ref_cost[REF_CONTEXTS][SINGLE_REFS - 1][2];
-  //! comp_ref_type_cost
-  int comp_ref_type_cost[COMP_REF_TYPE_CONTEXTS]
-                        [CDF_SIZE(COMP_REFERENCE_TYPES)];
-  //! uni_comp_ref_cost
-  int uni_comp_ref_cost[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS - 1]
-                       [CDF_SIZE(2)];
-  /*! \brief Cost for signaling ref_frame[0] in bidir-comp mode
-   *
-   * Includes LAST_FRAME, LAST2_FRAME, LAST3_FRAME, and GOLDEN_FRAME.
-   */
-  int comp_ref_cost[REF_CONTEXTS][FWD_REFS - 1][2];
-  /*! \brief Cost for signaling ref_frame[1] in bidir-comp mode
-   *
-   * Includes ALTREF_FRAME, ALTREF2_FRAME, and BWDREF_FRAME.
-   */
-  int comp_bwdref_cost[REF_CONTEXTS][BWD_REFS - 1][2];
-#endif  // CONFIG_NEW_REF_SIGNALING
   //! comp_inter_cost
   int comp_inter_cost[COMP_INTER_CONTEXTS][2];
 #if CONFIG_TIP
@@ -1521,11 +1492,7 @@
    * current mode. If the current best rd is already <= threshold, then we skip
    * the current mode.
    */
-#if CONFIG_NEW_REF_SIGNALING
   int thresh_freq_fact[BLOCK_SIZES_ALL][MB_MODE_COUNT];
-#else
-  int thresh_freq_fact[BLOCK_SIZES_ALL][MAX_MODES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*! \brief Tracks the winner modes in the current coding block.
    *
diff --git a/av1/encoder/context_tree.c b/av1/encoder/context_tree.c
index 0df98ff..f8e4822 100644
--- a/av1/encoder/context_tree.c
+++ b/av1/encoder/context_tree.c
@@ -30,9 +30,6 @@
 
   dst_ctx->num_4x4_blk = src_ctx->num_4x4_blk;
   dst_ctx->skippable = src_ctx->skippable;
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  dst_ctx->best_mode_index = src_ctx->best_mode_index;
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 
   memcpy(dst_ctx->blk_skip, src_ctx->blk_skip,
          sizeof(uint8_t) * src_ctx->num_4x4_blk);
diff --git a/av1/encoder/context_tree.h b/av1/encoder/context_tree.h
index 1e47b97..83e5573 100644
--- a/av1/encoder/context_tree.h
+++ b/av1/encoder/context_tree.h
@@ -56,9 +56,6 @@
   // For current partition, only if all Y, U, and V transform blocks'
   // coefficients are quantized to 0, skippable is set to 1.
   int skippable;
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  THR_MODES best_mode_index;
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
   int hybrid_pred_diff;
   int comp_pred_diff;
   int single_pred_diff;
diff --git a/av1/encoder/enc_enums.h b/av1/encoder/enc_enums.h
index b7cfe92..ed810f2 100644
--- a/av1/encoder/enc_enums.h
+++ b/av1/encoder/enc_enums.h
@@ -17,490 +17,6 @@
 extern "C" {
 #endif
 
-#if !CONFIG_NEW_REF_SIGNALING
-// This enumerator type needs to be kept aligned with the mode order in
-// const MODE_DEFINITION av1_mode_defs[MAX_MODES] used in the rd code.
-enum {
-  THR_NEARMV,
-  THR_NEARL2,
-  THR_NEARL3,
-  THR_NEARB,
-  THR_NEARA2,
-  THR_NEARA,
-  THR_NEARG,
-
-  THR_NEWMV,
-  THR_NEWL2,
-  THR_NEWL3,
-  THR_NEWB,
-  THR_NEWA2,
-  THR_NEWA,
-  THR_NEWG,
-
-  THR_GLOBALMV,
-  THR_GLOBALL2,
-  THR_GLOBALL3,
-  THR_GLOBALB,
-  THR_GLOBALA2,
-  THR_GLOBALG,
-  THR_GLOBALA,
-
-#if IMPROVED_AMVD
-  THR_AMVDNEWMV,
-  THR_AMVDNEWL2,
-  THR_AMVDNEWL3,
-  THR_AMVDNEWB,
-  THR_AMVDNEWA2,
-  THR_AMVDNEWG,
-  THR_AMVDNEWA,
-#endif  // IMPROVED_AMVD
-
-  THR_COMP_NEAR_NEARLA,
-  THR_COMP_NEAR_NEARL2A,
-  THR_COMP_NEAR_NEARL3A,
-  THR_COMP_NEAR_NEARGA,
-  THR_COMP_NEAR_NEARLB,
-  THR_COMP_NEAR_NEARL2B,
-  THR_COMP_NEAR_NEARL3B,
-  THR_COMP_NEAR_NEARGB,
-  THR_COMP_NEAR_NEARLA2,
-  THR_COMP_NEAR_NEARL2A2,
-  THR_COMP_NEAR_NEARL3A2,
-  THR_COMP_NEAR_NEARGA2,
-  THR_COMP_NEAR_NEARLL2,
-  THR_COMP_NEAR_NEARLL3,
-  THR_COMP_NEAR_NEARLG,
-  THR_COMP_NEAR_NEARBA,
-
-  THR_COMP_NEW_NEARLA,
-  THR_COMP_NEAR_NEWLA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLA,
-  THR_COMP_GLOBAL_GLOBALLA,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLA,
-  THR_COMP_NEAR_NEW_OPTFLOWLA,
-  THR_COMP_NEW_NEAR_OPTFLOWLA,
-  THR_COMP_NEW_NEW_OPTFLOWLA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL2A,
-  THR_COMP_NEAR_NEWL2A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL2A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL2A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL2A,
-  THR_COMP_GLOBAL_GLOBALL2A,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL2A,
-  THR_COMP_NEAR_NEW_OPTFLOWL2A,
-  THR_COMP_NEW_NEAR_OPTFLOWL2A,
-  THR_COMP_NEW_NEW_OPTFLOWL2A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL2A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL3A,
-  THR_COMP_NEAR_NEWL3A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL3A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL3A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL3A,
-  THR_COMP_GLOBAL_GLOBALL3A,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL3A,
-  THR_COMP_NEAR_NEW_OPTFLOWL3A,
-  THR_COMP_NEW_NEAR_OPTFLOWL3A,
-  THR_COMP_NEW_NEW_OPTFLOWL3A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL3A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARGA,
-  THR_COMP_NEAR_NEWGA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWGA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWGA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWGA,
-  THR_COMP_GLOBAL_GLOBALGA,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWGA,
-  THR_COMP_NEAR_NEW_OPTFLOWGA,
-  THR_COMP_NEW_NEAR_OPTFLOWGA,
-  THR_COMP_NEW_NEW_OPTFLOWGA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWGA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWGA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLB,
-  THR_COMP_NEAR_NEWLB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLB,
-  THR_COMP_GLOBAL_GLOBALLB,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLB,
-  THR_COMP_NEAR_NEW_OPTFLOWLB,
-  THR_COMP_NEW_NEAR_OPTFLOWLB,
-  THR_COMP_NEW_NEW_OPTFLOWLB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL2B,
-  THR_COMP_NEAR_NEWL2B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL2B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL2B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL2B,
-  THR_COMP_GLOBAL_GLOBALL2B,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL2B,
-  THR_COMP_NEAR_NEW_OPTFLOWL2B,
-  THR_COMP_NEW_NEAR_OPTFLOWL2B,
-  THR_COMP_NEW_NEW_OPTFLOWL2B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL2B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL3B,
-  THR_COMP_NEAR_NEWL3B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL3B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL3B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL3B,
-  THR_COMP_GLOBAL_GLOBALL3B,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL3B,
-  THR_COMP_NEAR_NEW_OPTFLOWL3B,
-  THR_COMP_NEW_NEAR_OPTFLOWL3B,
-  THR_COMP_NEW_NEW_OPTFLOWL3B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL3B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARGB,
-  THR_COMP_NEAR_NEWGB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWGB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWGB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWGB,
-  THR_COMP_GLOBAL_GLOBALGB,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWGB,
-  THR_COMP_NEAR_NEW_OPTFLOWGB,
-  THR_COMP_NEW_NEAR_OPTFLOWGB,
-  THR_COMP_NEW_NEW_OPTFLOWGB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWGB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWGB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLA2,
-  THR_COMP_NEAR_NEWLA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLA2,
-  THR_COMP_GLOBAL_GLOBALLA2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLA2,
-  THR_COMP_NEAR_NEW_OPTFLOWLA2,
-  THR_COMP_NEW_NEAR_OPTFLOWLA2,
-  THR_COMP_NEW_NEW_OPTFLOWLA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL2A2,
-  THR_COMP_NEAR_NEWL2A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL2A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL2A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL2A2,
-  THR_COMP_GLOBAL_GLOBALL2A2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL2A2,
-  THR_COMP_NEAR_NEW_OPTFLOWL2A2,
-  THR_COMP_NEW_NEAR_OPTFLOWL2A2,
-  THR_COMP_NEW_NEW_OPTFLOWL2A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL2A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL3A2,
-  THR_COMP_NEAR_NEWL3A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL3A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL3A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL3A2,
-  THR_COMP_GLOBAL_GLOBALL3A2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL3A2,
-  THR_COMP_NEAR_NEW_OPTFLOWL3A2,
-  THR_COMP_NEW_NEAR_OPTFLOWL3A2,
-  THR_COMP_NEW_NEW_OPTFLOWL3A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL3A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARGA2,
-  THR_COMP_NEAR_NEWGA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWGA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWGA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWGA2,
-  THR_COMP_GLOBAL_GLOBALGA2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWGA2,
-  THR_COMP_NEAR_NEW_OPTFLOWGA2,
-  THR_COMP_NEW_NEAR_OPTFLOWGA2,
-  THR_COMP_NEW_NEW_OPTFLOWGA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWGA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWGA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLL2,
-  THR_COMP_NEAR_NEWLL2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLL2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLL2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLL2,
-  THR_COMP_GLOBAL_GLOBALLL2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLL2,
-  THR_COMP_NEAR_NEW_OPTFLOWLL2,
-  THR_COMP_NEW_NEAR_OPTFLOWLL2,
-  THR_COMP_NEW_NEW_OPTFLOWLL2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLL2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLL2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLL3,
-  THR_COMP_NEAR_NEWLL3,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLL3,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLL3,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLL3,
-  THR_COMP_GLOBAL_GLOBALLL3,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLL3,
-  THR_COMP_NEAR_NEW_OPTFLOWLL3,
-  THR_COMP_NEW_NEAR_OPTFLOWLL3,
-  THR_COMP_NEW_NEW_OPTFLOWLL3,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLL3,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLL3,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLG,
-  THR_COMP_NEAR_NEWLG,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLG,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLG,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLG,
-  THR_COMP_GLOBAL_GLOBALLG,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLG,
-  THR_COMP_NEAR_NEW_OPTFLOWLG,
-  THR_COMP_NEW_NEAR_OPTFLOWLG,
-  THR_COMP_NEW_NEW_OPTFLOWLG,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLG,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLG,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARBA,
-  THR_COMP_NEAR_NEWBA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWBA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWBA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWBA,
-  THR_COMP_GLOBAL_GLOBALBA,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWBA,
-  THR_COMP_NEAR_NEW_OPTFLOWBA,
-  THR_COMP_NEW_NEAR_OPTFLOWBA,
-  THR_COMP_NEW_NEW_OPTFLOWBA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWBA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWBA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-#if CONFIG_TIP
-  THR_NEAR_TIP,
-  THR_NEW_TIP,
-#if IMPROVED_AMVD
-  THR_AMVDNEW_TIP,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_TIP
-
-  THR_DC,
-  THR_PAETH,
-  THR_SMOOTH,
-  THR_SMOOTH_V,
-  THR_SMOOTH_H,
-  THR_H_PRED,
-  THR_V_PRED,
-  THR_D135_PRED,
-  THR_D203_PRED,
-  THR_D157_PRED,
-  THR_D67_PRED,
-  THR_D113_PRED,
-  THR_D45_PRED,
-
-  MAX_MODES,
-  SINGLE_REF_MODE_START = THR_NEARMV,
-  SINGLE_REF_MODE_END = THR_COMP_NEAR_NEARLA,
-  NUM_SINGLE_REF_MODES = SINGLE_REF_MODE_END - SINGLE_REF_MODE_START,
-  THR_MODE_START = THR_NEARMV,
-  THR_MODE_END = MAX_MODES,
-  THR_INVALID = 255
-} UENUM1BYTE(THR_MODES);
-
-enum {
-  THR_LAST,
-  THR_LAST2,
-  THR_LAST3,
-  THR_BWDR,
-  THR_ALTR2,
-  THR_GOLD,
-  THR_ALTR,
-
-  THR_COMP_LA,
-  THR_COMP_L2A,
-  THR_COMP_L3A,
-  THR_COMP_GA,
-
-  THR_COMP_LB,
-  THR_COMP_L2B,
-  THR_COMP_L3B,
-  THR_COMP_GB,
-
-  THR_COMP_LA2,
-  THR_COMP_L2A2,
-  THR_COMP_L3A2,
-  THR_COMP_GA2,
-
-  THR_INTRA,
-
-  MAX_REFS
-} UENUM1BYTE(THR_MODES_SUB8X8);
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 enum {
   FULL_TXFM_RD,
   LOW_TXFM_RD,
diff --git a/av1/encoder/encode_strategy.c b/av1/encoder/encode_strategy.c
index 6143f21..00ad056 100644
--- a/av1/encoder/encode_strategy.c
+++ b/av1/encoder/encode_strategy.c
@@ -42,16 +42,6 @@
 
 #define TEMPORAL_FILTER_KEY_FRAME 1
 
-#if !CONFIG_NEW_REF_SIGNALING
-static INLINE void set_refresh_frame_flags(
-    RefreshFrameFlagsInfo *const refresh_frame_flags, bool refresh_gf,
-    bool refresh_bwdref, bool refresh_arf) {
-  refresh_frame_flags->golden_frame = refresh_gf;
-  refresh_frame_flags->bwd_ref_frame = refresh_bwdref;
-  refresh_frame_flags->alt_ref_frame = refresh_arf;
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 // Get the subgop config corresponding to the current frame within the
 // gf group
 const SubGOPStepCfg *get_subgop_step(const GF_GROUP *const gf_group,
@@ -64,7 +54,6 @@
   return &subgop_cfg->step[index - offset];
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 void av1_get_ref_frames_enc(AV1_COMMON *cm, int cur_frame_disp,
                             RefFrameMapPair *ref_frame_map_pairs) {
   assert(cm->seq_params.explicit_ref_frame_map);
@@ -95,72 +84,6 @@
     default: assert(0); break;
   }
 }
-#else
-void av1_configure_buffer_updates(
-    AV1_COMP *const cpi, RefreshFrameFlagsInfo *const refresh_frame_flags,
-    const FRAME_UPDATE_TYPE type, const FRAME_TYPE frame_type,
-    int force_refresh_all) {
-  // NOTE(weitinglin): Should we define another function to take care of
-  // cpi->rc.is_$Source_Type to make this function as it is in the comment?
-
-  const ExtRefreshFrameFlagsInfo *const ext_refresh_frame_flags =
-      &cpi->ext_flags.refresh_frame;
-  cpi->rc.is_src_frame_alt_ref = 0;
-
-  switch (type) {
-    case KF_UPDATE:
-      set_refresh_frame_flags(refresh_frame_flags, true, true, true);
-      break;
-
-    case LF_UPDATE:
-      set_refresh_frame_flags(refresh_frame_flags, false, false, false);
-      break;
-
-    case GF_UPDATE:
-      set_refresh_frame_flags(refresh_frame_flags, true, false, false);
-      break;
-
-    case OVERLAY_UPDATE:
-    case KFFLT_OVERLAY_UPDATE:
-      set_refresh_frame_flags(refresh_frame_flags, true, false, false);
-      cpi->rc.is_src_frame_alt_ref = 1;
-      break;
-
-    case ARF_UPDATE:
-    case KFFLT_UPDATE:
-      // NOTE: BWDREF does not get updated along with ALTREF_FRAME.
-      if (frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) {
-        // TODO(bohanli): consider moving this to force_refresh_all?
-        // This is Keyframe as arf
-        set_refresh_frame_flags(refresh_frame_flags, true, true, true);
-      } else {
-        set_refresh_frame_flags(refresh_frame_flags, false, false, true);
-      }
-      break;
-
-    case INTNL_OVERLAY_UPDATE:
-      set_refresh_frame_flags(refresh_frame_flags, false, false, false);
-      cpi->rc.is_src_frame_alt_ref = 1;
-      break;
-
-    case INTNL_ARF_UPDATE:
-      set_refresh_frame_flags(refresh_frame_flags, false, true, false);
-      break;
-
-    default: assert(0); break;
-  }
-
-  if (ext_refresh_frame_flags->update_pending &&
-      (!is_stat_generation_stage(cpi)))
-    set_refresh_frame_flags(refresh_frame_flags,
-                            ext_refresh_frame_flags->golden_frame,
-                            ext_refresh_frame_flags->bwd_ref_frame,
-                            ext_refresh_frame_flags->alt_ref_frame);
-
-  if (force_refresh_all)
-    set_refresh_frame_flags(refresh_frame_flags, true, true, true);
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 static void set_additional_frame_flags(const AV1_COMMON *const cm,
                                        unsigned int *const frame_flags) {
@@ -190,15 +113,7 @@
   // Droppable frame is only used by external refresh flags. VoD setting won't
   // trigger its use case.
   if (ext_refresh_frame_flags->update_pending)
-#if CONFIG_NEW_REF_SIGNALING
     return ext_refresh_frame_flags->all_ref_frames == 0;
-#else
-    return !(ext_refresh_frame_flags->alt_ref_frame ||
-             ext_refresh_frame_flags->alt2_ref_frame ||
-             ext_refresh_frame_flags->bwd_ref_frame ||
-             ext_refresh_frame_flags->golden_frame ||
-             ext_refresh_frame_flags->last_frame);
-#endif  // CONFIG_NEW_REF_SIGNALING
   else
     return 0;
 }
@@ -312,11 +227,7 @@
   // Note(yunqing): In other cases, primary_ref_frame is chosen based on
   // cpi->gf_group.layer_depth[cpi->gf_group.index], which also controls
   // frame bit allocation.
-#if CONFIG_NEW_REF_SIGNALING
   if (cm->tiles.large_scale) return 0;
-#else
-  if (cm->tiles.large_scale) return (LAST_FRAME - LAST_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // Find the most recent reference frame with the same reference type as the
   // current frame
@@ -324,20 +235,12 @@
   int wanted_fb = cpi->fb_of_context_type[current_ref_type];
 
   int primary_ref_frame = PRIMARY_REF_NONE;
-#if CONFIG_NEW_REF_SIGNALING
   const int n_refs = cm->ref_frames_info.num_total_refs;
   for (int ref_frame = 0; ref_frame < n_refs; ref_frame++) {
     if (get_ref_frame_map_idx(cm, ref_frame) == wanted_fb) {
       primary_ref_frame = ref_frame;
     }
   }
-#else
-  for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) {
-    if (get_ref_frame_map_idx(cm, ref_frame) == wanted_fb) {
-      primary_ref_frame = ref_frame - LAST_FRAME;
-    }
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   return primary_ref_frame;
 }
@@ -358,7 +261,6 @@
   // No references specified
   if (step_gop_cfg->num_references < 0) return;
 
-#if CONFIG_NEW_REF_SIGNALING
   // Mask to indicate whether or not each ref is allowed by the GOP config
   int ref_frame_used[INTER_REFS_PER_FRAME] = { 0 };
   // Structures to hash each reference frame based on its pyramid level. This
@@ -367,24 +269,10 @@
   int n_references[MAX_ARF_LAYERS + 1] = { 0 };
   int references[MAX_ARF_LAYERS + 1][INTER_REFS_PER_FRAME] = { { 0 } };
   int disp_orders[MAX_ARF_LAYERS + 1][INTER_REFS_PER_FRAME] = { { 0 } };
-#else
-  // Mask to indicate whether or not each ref is allowed by the GOP config
-  int ref_frame_used[REF_FRAMES] = { 0 };
-  // Structures to hash each reference frame based on its pyramid level. This
-  // will allow us to match the pyramid levels specified in the cfg to the best
-  // reference frame index.
-  int n_references[MAX_ARF_LAYERS + 1] = { 0 };
-  int references[MAX_ARF_LAYERS + 1][REF_FRAMES] = { { 0 } };
-  int disp_orders[MAX_ARF_LAYERS + 1][REF_FRAMES] = { { 0 } };
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   int frame_level = -1;
   // Loop over each reference frame and hash it based on its pyramid level
-#if CONFIG_NEW_REF_SIGNALING
   for (int frame = 0; frame < INTER_REFS_PER_FRAME; frame++) {
-#else
-  for (int frame = LAST_FRAME; frame <= ALTREF_FRAME; frame++) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     // Get reference frame buffer
     const RefCntBuffer *const buf = get_ref_frame_buf(&cpi->common, frame);
     if (buf == NULL) continue;
@@ -450,14 +338,8 @@
   }
 
   // Avoid using references that were not specified by the cfg
-#if CONFIG_NEW_REF_SIGNALING
   for (int frame = 0; frame < INTER_REFS_PER_FRAME; frame++)
     if (!ref_frame_used[frame]) *ref_frame_flags &= ~(1 << (frame));
-#else
-  for (int frame = LAST_FRAME; frame <= ALTREF_FRAME; frame++)
-    if (!ref_frame_used[frame])
-      *ref_frame_flags &= ~(1 << (frame - LAST_FRAME));
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 static void update_fb_of_context_type(
@@ -467,24 +349,16 @@
   const int current_frame_ref_type =
       get_current_frame_ref_type(cpi, frame_params);
 
-#if CONFIG_NEW_REF_SIGNALING
   const int golden_frame = cm->ref_frames_info.past_refs[0];
   const int altref_frame = get_furthest_future_ref_index(cm);
-#endif  // CONFIG_NEW_REF_SIGNALING
   if (frame_is_intra_only(cm) || cm->features.error_resilient_mode ||
       cpi->ext_flags.use_primary_ref_none) {
     for (int i = 0; i < REF_FRAMES; i++) {
       fb_of_context_type[i] = -1;
     }
-#if CONFIG_NEW_REF_SIGNALING
     fb_of_context_type[current_frame_ref_type] =
         cm->show_frame ? get_ref_frame_map_idx(cm, golden_frame)
                        : get_ref_frame_map_idx(cm, altref_frame);
-#else
-    fb_of_context_type[current_frame_ref_type] =
-        cm->show_frame ? get_ref_frame_map_idx(cm, GOLDEN_FRAME)
-                       : get_ref_frame_map_idx(cm, ALTREF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 
   if (!encode_show_existing_frame(cm)) {
@@ -656,42 +530,13 @@
 
 // Update frame_flags to tell the encoder's caller what sort of frame was
 // encoded.
-static void update_frame_flags(
-    const AV1_COMMON *const cm,
-#if !CONFIG_NEW_REF_SIGNALING
-    const RefreshFrameFlagsInfo *const refresh_frame_flags,
-#endif  // !CONFIG_NEW_REF_SIGNALING
-    unsigned int *frame_flags) {
+static void update_frame_flags(const AV1_COMMON *const cm,
+                               unsigned int *frame_flags) {
   if (encode_show_existing_frame(cm)) {
-#if !CONFIG_NEW_REF_SIGNALING
-    *frame_flags &= ~FRAMEFLAGS_GOLDEN;
-    *frame_flags &= ~FRAMEFLAGS_BWDREF;
-    *frame_flags &= ~FRAMEFLAGS_ALTREF;
-#endif  // !CONFIG_NEW_REF_SIGNALING
     *frame_flags &= ~FRAMEFLAGS_KEY;
     return;
   }
 
-#if !CONFIG_NEW_REF_SIGNALING
-  if (refresh_frame_flags->golden_frame) {
-    *frame_flags |= FRAMEFLAGS_GOLDEN;
-  } else {
-    *frame_flags &= ~FRAMEFLAGS_GOLDEN;
-  }
-
-  if (refresh_frame_flags->alt_ref_frame) {
-    *frame_flags |= FRAMEFLAGS_ALTREF;
-  } else {
-    *frame_flags &= ~FRAMEFLAGS_ALTREF;
-  }
-
-  if (refresh_frame_flags->bwd_ref_frame) {
-    *frame_flags |= FRAMEFLAGS_BWDREF;
-  } else {
-    *frame_flags &= ~FRAMEFLAGS_BWDREF;
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   if (cm->current_frame.frame_type == KEY_FRAME) {
     *frame_flags |= FRAMEFLAGS_KEY;
   } else {
@@ -881,43 +726,6 @@
   if (is_frame_droppable(ext_refresh_frame_flags)) return 0;
 
   if (ext_refresh_frame_flags->update_pending) {
-#if !CONFIG_NEW_REF_SIGNALING
-    // Unfortunately the encoder interface reflects the old refresh_*_frame
-    // flags so we have to replicate the old refresh_frame_flags logic here in
-    // order to preserve the behaviour of the flag overrides.
-    const AV1_COMMON *const cm = &cpi->common;
-    int ref_frame_map_idx = get_ref_frame_map_idx(cm, LAST_FRAME);
-    if (ref_frame_map_idx != INVALID_IDX)
-      refresh_mask |= ext_refresh_frame_flags->last_frame << ref_frame_map_idx;
-
-    ref_frame_map_idx = get_ref_frame_map_idx(cm, EXTREF_FRAME);
-    if (ref_frame_map_idx != INVALID_IDX)
-      refresh_mask |= ext_refresh_frame_flags->bwd_ref_frame
-                      << ref_frame_map_idx;
-
-    ref_frame_map_idx = get_ref_frame_map_idx(cm, ALTREF2_FRAME);
-    if (ref_frame_map_idx != INVALID_IDX)
-      refresh_mask |= ext_refresh_frame_flags->alt2_ref_frame
-                      << ref_frame_map_idx;
-
-    if (frame_update_type == OVERLAY_UPDATE ||
-        frame_update_type == KFFLT_OVERLAY_UPDATE) {
-      ref_frame_map_idx = get_ref_frame_map_idx(cm, ALTREF_FRAME);
-      if (ref_frame_map_idx != INVALID_IDX)
-        refresh_mask |= ext_refresh_frame_flags->golden_frame
-                        << ref_frame_map_idx;
-    } else {
-      ref_frame_map_idx = get_ref_frame_map_idx(cm, GOLDEN_FRAME);
-      if (ref_frame_map_idx != INVALID_IDX)
-        refresh_mask |= ext_refresh_frame_flags->golden_frame
-                        << ref_frame_map_idx;
-
-      ref_frame_map_idx = get_ref_frame_map_idx(cm, ALTREF_FRAME);
-      if (ref_frame_map_idx != INVALID_IDX)
-        refresh_mask |= ext_refresh_frame_flags->alt_ref_frame
-                        << ref_frame_map_idx;
-    }
-#endif  // !CONFIG_NEW_REF_SIGNALING
     return refresh_mask;
   }
 
@@ -1275,14 +1083,8 @@
        frame_params.frame_type == S_FRAME) &&
       !frame_params.show_existing_frame;
 
-#if CONFIG_NEW_REF_SIGNALING
   (void)force_refresh_all;
   av1_configure_buffer_updates(cpi, frame_update_type);
-#else
-  av1_configure_buffer_updates(cpi, &frame_params.refresh_frame,
-                               frame_update_type, frame_params.frame_type,
-                               force_refresh_all);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const int order_offset = gf_group->arf_src_offset[gf_group->index];
   const int cur_frame_disp =
@@ -1292,13 +1094,6 @@
                     gf_group->update_type[gf_group->index] == KF_UPDATE);
 
   if (!is_stat_generation_stage(cpi)) {
-    if (!ext_flags->refresh_frame.update_pending) {
-#if !CONFIG_NEW_REF_SIGNALING
-      av1_get_ref_frames(cm, cur_frame_disp, ref_frame_map_pairs);
-#endif  // !CONFIG_NEW_REF_SIGNALING
-    }
-
-#if CONFIG_NEW_REF_SIGNALING
     cm->current_frame.frame_type = frame_params.frame_type;
     cm->features.error_resilient_mode = frame_params.error_resilient_mode;
     if (cm->seq_params.explicit_ref_frame_map)
@@ -1310,34 +1105,11 @@
         AOMMIN(cm->seq_params.num_same_ref_compound,
                cm->ref_frames_info.num_total_refs);
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#else
-    const RefCntBuffer *ref_frames[INTER_REFS_PER_FRAME];
-    const YV12_BUFFER_CONFIG *ref_frame_buf[INTER_REFS_PER_FRAME];
-    // Get the reference frames
-    for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-      ref_frames[i] = get_ref_frame_buf(cm, ref_frame_priority_order[i]);
-      ref_frame_buf[i] = ref_frames[i] != NULL ? &ref_frames[i]->buf : NULL;
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
-#if CONFIG_NEW_REF_SIGNALING
-    // In NEW_REF_SIGNALING, ref_frame_flags is defined based on
-    // the external flag max-reference-frames.
+    // ref_frame_flags is defined based on the external flag
+    // max-reference-frames.
     frame_params.ref_frame_flags =
         (1 << cpi->common.ref_frames_info.num_total_refs) - 1;
-#else
-    // Work out which reference frame slots may be used.
-    if (av1_check_keyframe_overlay(gf_group->index, gf_group,
-                                   cpi->rc.frames_since_key)) {
-      // This is a KF overlay, it should refer to arf. However KF overlay
-      // has the same LAST and ALTREF references, so ALTREF will be disabled
-      // in function get_ref_frame_flags. Therefore setting it manually.
-      frame_params.ref_frame_flags = av1_ref_frame_flag_list[ALTREF_FRAME];
-    } else {
-      frame_params.ref_frame_flags =
-          get_ref_frame_flags(ref_frame_buf, ext_flags->ref_frame_flags);
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
     frame_params.primary_ref_frame =
         choose_primary_ref_frame(cpi, &frame_params);
@@ -1396,11 +1168,7 @@
   if (!is_stat_generation_stage(cpi)) {
     // First pass doesn't modify reference buffer assignment or produce frame
     // flags
-    update_frame_flags(&cpi->common,
-#if !CONFIG_NEW_REF_SIGNALING
-                       &cpi->refresh_frame,
-#endif  // !CONFIG_NEW_REF_SIGNALING
-                       frame_flags);
+    update_frame_flags(&cpi->common, frame_flags);
   }
 
   if (!is_stat_generation_stage(cpi)) {
diff --git a/av1/encoder/encode_strategy.h b/av1/encoder/encode_strategy.h
index 5504f6f..f471cd4 100644
--- a/av1/encoder/encode_strategy.h
+++ b/av1/encoder/encode_strategy.h
@@ -62,18 +62,11 @@
 // Set individual buffer update flags based on frame reference type.
 // force_refresh_all is used when we have a KEY_FRAME or S_FRAME.  It forces all
 // refresh_*_frame flags to be set, because we refresh all buffers in this case.
-#if CONFIG_NEW_REF_SIGNALING
 void av1_configure_buffer_updates(AV1_COMP *const cpi,
                                   const FRAME_UPDATE_TYPE type);
 // Encoder-only version for the reference mapping
 void av1_get_ref_frames_enc(AV1_COMMON *cm, int cur_frame_disp,
                             RefFrameMapPair *ref_frame_map_pairs);
-#else
-void av1_configure_buffer_updates(
-    AV1_COMP *const cpi, RefreshFrameFlagsInfo *const refresh_frame_flags,
-    const FRAME_UPDATE_TYPE type, const FRAME_TYPE frame_type,
-    int force_refresh_all);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 int av1_get_refresh_frame_flags(
     const AV1_COMP *const cpi, const EncodeFrameParams *const frame_params,
diff --git a/av1/encoder/encodeframe.c b/av1/encoder/encodeframe.c
index eca7c49..8dc80b4 100644
--- a/av1/encoder/encodeframe.c
+++ b/av1/encoder/encodeframe.c
@@ -168,13 +168,8 @@
                                                    BLOCK_SIZE bs) {
   unsigned int sse, var;
   uint16_t *last_y;
-  const YV12_BUFFER_CONFIG *last =
-#if CONFIG_NEW_REF_SIGNALING
-      get_ref_frame_yv12_buf(&cpi->common,
-                             get_closest_pastcur_ref_index(&cpi->common));
-#else
-      get_ref_frame_yv12_buf(&cpi->common, LAST_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
+  const YV12_BUFFER_CONFIG *last = get_ref_frame_yv12_buf(
+      &cpi->common, get_closest_pastcur_ref_index(&cpi->common));
 
   assert(last != NULL);
   last_y =
@@ -379,17 +374,10 @@
           best_rf_idx = idx;
         }
       }
-#if CONFIG_NEW_REF_SIGNALING
       // tpl_pred_error is the pred_error reduction of best_ref w.r.t.
       // rank 0 frame.
       tpl_pred_error[best_rf_idx] =
           this_stats->pred_error[best_rf_idx] - this_stats->pred_error[0];
-#else
-      // tpl_pred_error is the pred_error reduction of best_ref w.r.t.
-      // LAST_FRAME.
-      tpl_pred_error[best_rf_idx] = this_stats->pred_error[best_rf_idx] -
-                                    this_stats->pred_error[LAST_FRAME - 1];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
       for (int rf_idx = 1; rf_idx < INTER_REFS_PER_FRAME; ++rf_idx)
         inter_cost[rf_idx] += tpl_pred_error[rf_idx];
@@ -408,21 +396,12 @@
     }
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   x->tpl_keep_ref_frame[INTRA_FRAME_INDEX] = 1;
   x->tpl_keep_ref_frame[0] = 1;
-#else
-  x->tpl_keep_ref_frame[INTRA_FRAME] = 1;
-  x->tpl_keep_ref_frame[LAST_FRAME] = 1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   int cutoff_ref = 0;
   for (int idx = 0; idx < INTER_REFS_PER_FRAME - 1; ++idx) {
-#if CONFIG_NEW_REF_SIGNALING
     x->tpl_keep_ref_frame[rank_index[idx]] = 1;
-#else
-    x->tpl_keep_ref_frame[rank_index[idx] + LAST_FRAME] = 1;
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (idx > 2) {
       if (!cutoff_ref) {
         // If the predictive coding gains are smaller than the previous more
@@ -434,11 +413,7 @@
           cutoff_ref = 1;
       }
 
-#if CONFIG_NEW_REF_SIGNALING
       if (cutoff_ref) x->tpl_keep_ref_frame[rank_index[idx]] = 0;
-#else
-      if (cutoff_ref) x->tpl_keep_ref_frame[rank_index[idx] + LAST_FRAME] = 0;
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
   }
 }
@@ -1223,7 +1198,6 @@
   int min_past_dist = INT32_MAX, min_future_dist = INT32_MAX;
   ref_frame_dist_info->nearest_past_ref = NONE_FRAME;
   ref_frame_dist_info->nearest_future_ref = NONE_FRAME;
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
     ref_frame_dist_info->ref_relative_dist[ref_frame] = 0;
     if (ref_frame_flags & (1 << ref_frame)) {
@@ -1231,15 +1205,6 @@
           cm->cur_frame->ref_display_order_hint[ref_frame],
           cm->current_frame.display_order_hint);
       ref_frame_dist_info->ref_relative_dist[ref_frame] = dist;
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    ref_frame_dist_info->ref_relative_dist[ref_frame - LAST_FRAME] = 0;
-    if (ref_frame_flags & av1_ref_frame_flag_list[ref_frame]) {
-      int dist = av1_encoder_get_relative_dist(
-          cm->cur_frame->ref_display_order_hint[ref_frame - LAST_FRAME],
-          cm->current_frame.display_order_hint);
-      ref_frame_dist_info->ref_relative_dist[ref_frame - LAST_FRAME] = dist;
-#endif  // CONFIG_NEW_REF_SIGNALING
       // Get the nearest ref_frame in the past
       if (abs(dist) < min_past_dist && dist < 0) {
         ref_frame_dist_info->nearest_past_ref = ref_frame;
@@ -1257,24 +1222,9 @@
 static INLINE int refs_are_one_sided(const AV1_COMMON *cm) {
   assert(!frame_is_intra_only(cm));
 
-#if CONFIG_NEW_REF_SIGNALING
   return (cm->ref_frames_info.num_past_refs == 0 &&
           cm->ref_frames_info.num_cur_refs == 0) ||
          cm->ref_frames_info.num_future_refs == 0;
-#else
-  int one_sided_refs = 1;
-  const int cur_display_order_hint = cm->current_frame.display_order_hint;
-  for (int ref = LAST_FRAME; ref <= ALTREF_FRAME; ++ref) {
-    const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref);
-    if (buf == NULL) continue;
-    if (av1_encoder_get_relative_dist(buf->display_order_hint,
-                                      cur_display_order_hint) > 0) {
-      one_sided_refs = 0;  // bwd reference
-      break;
-    }
-  }
-  return one_sided_refs;
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 static INLINE void get_skip_mode_ref_offsets(const AV1_COMMON *cm,
@@ -1283,17 +1233,10 @@
   ref_order_hint[0] = ref_order_hint[1] = 0;
   if (!skip_mode_info->skip_mode_allowed) return;
 
-#if CONFIG_NEW_REF_SIGNALING
   const RefCntBuffer *const buf_0 =
       get_ref_frame_buf(cm, skip_mode_info->ref_frame_idx_0);
   const RefCntBuffer *const buf_1 =
       get_ref_frame_buf(cm, skip_mode_info->ref_frame_idx_1);
-#else
-  const RefCntBuffer *const buf_0 =
-      get_ref_frame_buf(cm, LAST_FRAME + skip_mode_info->ref_frame_idx_0);
-  const RefCntBuffer *const buf_1 =
-      get_ref_frame_buf(cm, LAST_FRAME + skip_mode_info->ref_frame_idx_1);
-#endif  // CONFIG_NEW_REF_SIGNALING
   assert(buf_0 != NULL && buf_1 != NULL);
 
   ref_order_hint[0] = buf_0->order_hint;
@@ -1320,7 +1263,6 @@
   // High Latency: Turn off skip mode if all refs are fwd.
   if (cpi->all_one_sided_refs && cpi->oxcf.gf_cfg.lag_in_frames > 0) return 0;
 
-#if CONFIG_NEW_REF_SIGNALING
   const int ref_frame[2] = { cm->current_frame.skip_mode_info.ref_frame_idx_0,
                              cm->current_frame.skip_mode_info.ref_frame_idx_1 };
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -1330,24 +1272,6 @@
   if (!(cpi->common.ref_frame_flags & (1 << ref_frame[0])) ||
       !(cpi->common.ref_frame_flags & (1 << ref_frame[1])))
     return 0;
-#else
-  static const int flag_list[REF_FRAMES] = { 0,
-                                             AOM_LAST_FLAG,
-                                             AOM_LAST2_FLAG,
-                                             AOM_LAST3_FLAG,
-                                             AOM_GOLD_FLAG,
-                                             AOM_BWD_FLAG,
-                                             AOM_ALT2_FLAG,
-                                             AOM_ALT_FLAG };
-
-  const int ref_frame[2] = {
-    cm->current_frame.skip_mode_info.ref_frame_idx_0 + LAST_FRAME,
-    cm->current_frame.skip_mode_info.ref_frame_idx_1 + LAST_FRAME
-  };
-  if (!(cm->ref_frame_flags & flag_list[ref_frame[0]]) ||
-      !(cm->ref_frame_flags & flag_list[ref_frame[1]]))
-    return 0;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   return 1;
 }
@@ -1360,74 +1284,6 @@
                         : INTERP_SKIP_LUMA_SKIP_CHROMA;
 }
 
-#if !CONFIG_NEW_REF_SIGNALING
-static AOM_INLINE void setup_prune_ref_frame_mask(AV1_COMP *cpi) {
-  if ((!cpi->oxcf.ref_frm_cfg.enable_onesided_comp ||
-       cpi->sf.inter_sf.disable_onesided_comp) &&
-      cpi->all_one_sided_refs) {
-    // Disable all compound references
-#if CONFIG_TIP
-    cpi->prune_ref_frame_mask =
-        (1 << (MODE_CTX_REF_FRAMES - 1)) - (1 << REF_FRAMES);
-#else
-    cpi->prune_ref_frame_mask = (1 << MODE_CTX_REF_FRAMES) - (1 << REF_FRAMES);
-#endif  // CONFIG_TIP
-  } else if (cpi->sf.inter_sf.selective_ref_frame >= 2) {
-    AV1_COMMON *const cm = &cpi->common;
-    const int cur_frame_display_order_hint =
-        cm->current_frame.display_order_hint;
-    unsigned int *ref_display_order_hint =
-        cm->cur_frame->ref_display_order_hint;
-    const int arf2_dist = av1_encoder_get_relative_dist(
-        ref_display_order_hint[ALTREF2_FRAME - LAST_FRAME],
-        cur_frame_display_order_hint);
-    const int bwd_dist = av1_encoder_get_relative_dist(
-        ref_display_order_hint[BWDREF_FRAME - LAST_FRAME],
-        cur_frame_display_order_hint);
-
-#if CONFIG_TIP
-    for (int ref_idx = REF_FRAMES; ref_idx < MODE_CTX_REF_FRAMES - 1;
-         ++ref_idx) {
-#else
-    for (int ref_idx = REF_FRAMES; ref_idx < MODE_CTX_REF_FRAMES; ++ref_idx) {
-#endif  // CONFIG_TIP
-      MV_REFERENCE_FRAME rf[2];
-      av1_set_ref_frame(rf, ref_idx);
-      if (!(cm->ref_frame_flags & av1_ref_frame_flag_list[rf[0]]) ||
-          !(cm->ref_frame_flags & av1_ref_frame_flag_list[rf[1]])) {
-        continue;
-      }
-
-      if (!cpi->all_one_sided_refs) {
-        int ref_dist[2];
-        for (int i = 0; i < 2; ++i) {
-          ref_dist[i] = av1_encoder_get_relative_dist(
-              ref_display_order_hint[rf[i] - LAST_FRAME],
-              cur_frame_display_order_hint);
-        }
-
-        // One-sided compound is used only when all reference frames are
-        // one-sided.
-        if ((ref_dist[0] > 0) == (ref_dist[1] > 0)) {
-          cpi->prune_ref_frame_mask |= 1 << ref_idx;
-        }
-      }
-
-      if (cpi->sf.inter_sf.selective_ref_frame >= 4 &&
-          (rf[0] == ALTREF2_FRAME || rf[1] == ALTREF2_FRAME) &&
-          (cm->ref_frame_flags & av1_ref_frame_flag_list[BWDREF_FRAME])) {
-        // Check if both ALTREF2_FRAME and BWDREF_FRAME are future references.
-        if (arf2_dist > 0 && bwd_dist > 0 && bwd_dist <= arf2_dist) {
-          // Drop ALTREF2_FRAME as a reference if BWDREF_FRAME is a closer
-          // reference to the current frame than ALTREF2_FRAME
-          cpi->prune_ref_frame_mask |= 1 << ref_idx;
-        }
-      }
-    }
-  }
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 #if CONFIG_TIP
 AOM_INLINE void av1_tip_enc_calc_subpel_params(
     const MV *const src_mv, InterPredParams *const inter_pred_params,
@@ -1772,10 +1628,6 @@
       frame_is_intra_only(cm) ? 0 : refs_are_one_sided(cm);
 
   cpi->prune_ref_frame_mask = 0;
-#if !CONFIG_NEW_REF_SIGNALING
-  // Figure out which ref frames can be skipped at frame level.
-  setup_prune_ref_frame_mask(cpi);
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
   x->txfm_search_info.txb_split_count = 0;
 #if CONFIG_SPEED_STATS
diff --git a/av1/encoder/encodeframe_utils.c b/av1/encoder/encodeframe_utils.c
index e824bbc..bdc85a5 100644
--- a/av1/encoder/encodeframe_utils.c
+++ b/av1/encoder/encodeframe_utils.c
@@ -385,33 +385,6 @@
 
   if (dry_run) return;
 
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  {
-    unsigned int *const mode_chosen_counts =
-        (unsigned int *)cpi->mode_chosen_counts;  // Cast const away.
-    if (frame_is_intra_only(cm)) {
-      static const int kf_mode_index[] = {
-        THR_DC /*DC_PRED*/,
-        THR_V_PRED /*V_PRED*/,
-        THR_H_PRED /*H_PRED*/,
-        THR_D45_PRED /*D45_PRED*/,
-        THR_D135_PRED /*D135_PRED*/,
-        THR_D113_PRED /*D113_PRED*/,
-        THR_D157_PRED /*D157_PRED*/,
-        THR_D203_PRED /*D203_PRED*/,
-        THR_D67_PRED /*D67_PRED*/,
-        THR_SMOOTH,   /*SMOOTH_PRED*/
-        THR_SMOOTH_V, /*SMOOTH_V_PRED*/
-        THR_SMOOTH_H, /*SMOOTH_H_PRED*/
-        THR_PAETH /*PAETH_PRED*/,
-      };
-      ++mode_chosen_counts[kf_mode_index[mi_addr->mode]];
-    } else {
-      // Note how often each mode chosen as best
-      ++mode_chosen_counts[ctx->best_mode_index];
-    }
-  }
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
   if (mi_addr->ref_frame[0] != INTRA_FRAME) {
     if (is_inter_block(mi_addr, xd->tree_type)) {
       // TODO(sarahparker): global motion stats need to be handled per-tile
@@ -1339,18 +1312,8 @@
   AVERAGE_CDF(ctx_left->palette_uv_mode_cdf, ctx_tr->palette_uv_mode_cdf, 2);
   AVERAGE_CDF(ctx_left->comp_inter_cdf, ctx_tr->comp_inter_cdf, 2);
   AVERAGE_CDF(ctx_left->single_ref_cdf, ctx_tr->single_ref_cdf, 2);
-#if CONFIG_NEW_REF_SIGNALING
   AVERAGE_CDF(ctx_left->comp_ref0_cdf, ctx_tr->comp_ref0_cdf, 2);
   AVERAGE_CDF(ctx_left->comp_ref1_cdf, ctx_tr->comp_ref1_cdf, 2);
-#else
-  AVERAGE_CDF(ctx_left->comp_ref_cdf, ctx_tr->comp_ref_cdf, 2);
-#if CONFIG_TIP
-  AVERAGE_CDF(ctx_left->tip_cdf, ctx_tr->tip_cdf, 2);
-#endif  // CONFIG_TIP
-  AVERAGE_CDF(ctx_left->comp_ref_type_cdf, ctx_tr->comp_ref_type_cdf, 2);
-  AVERAGE_CDF(ctx_left->uni_comp_ref_cdf, ctx_tr->uni_comp_ref_cdf, 2);
-  AVERAGE_CDF(ctx_left->comp_bwdref_cdf, ctx_tr->comp_bwdref_cdf, 2);
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_TX_PARTITION
   // Square blocks
   AVERAGE_CDF(ctx_left->inter_4way_txfm_partition_cdf[0],
@@ -1656,11 +1619,6 @@
 #if CONFIG_EXT_RECUR_PARTITIONS
   sb_fp_stats->min_partition_size = x->sb_enc.min_partition_size;
 #endif  // CONFIG_EXT_RECUR_PARTITIONS
-
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  memcpy(sb_fp_stats->mode_chosen_counts, cpi->mode_chosen_counts,
-         sizeof(sb_fp_stats->mode_chosen_counts));
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 }
 
 void av1_restore_sb_state(const SB_FIRST_PASS_STATS *sb_fp_stats, AV1_COMP *cpi,
@@ -1697,11 +1655,6 @@
 #if CONFIG_EXT_RECUR_PARTITIONS
   x->sb_enc.min_partition_size = sb_fp_stats->min_partition_size;
 #endif  // CONFIG_EXT_RECUR_PARTITIONS
-
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  memcpy(cpi->mode_chosen_counts, sb_fp_stats->mode_chosen_counts,
-         sizeof(sb_fp_stats->mode_chosen_counts));
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 }
 
 // Update the rate costs of some symbols according to the frequency directed
diff --git a/av1/encoder/encodeframe_utils.h b/av1/encoder/encodeframe_utils.h
index cb57e6c..04a192f 100644
--- a/av1/encoder/encodeframe_utils.h
+++ b/av1/encoder/encodeframe_utils.h
@@ -52,11 +52,7 @@
   int split_count;
   FRAME_COUNTS fc;
   InterModeRdModel inter_mode_rd_models[BLOCK_SIZES_ALL];
-#if CONFIG_NEW_REF_SIGNALING
   int thresh_freq_fact[BLOCK_SIZES_ALL][MB_MODE_COUNT];
-#else
-  int thresh_freq_fact[BLOCK_SIZES_ALL][MAX_MODES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int current_qindex;
 #if CONFIG_C043_MVP_IMPROVEMENTS
   REF_MV_BANK ref_mv_bank;
@@ -67,10 +63,6 @@
 #if CONFIG_EXT_RECUR_PARTITIONS
   BLOCK_SIZE min_partition_size;
 #endif  // CONFIG_EXT_RECUR_PARTITIONS
-
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  unsigned int mode_chosen_counts[MAX_MODES];
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 } SB_FIRST_PASS_STATS;
 
 // This structure contains block size related
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index aa75140..f534dd9 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -417,13 +417,11 @@
       seq->order_hint_info.enable_order_hint
           ? DEFAULT_EXPLICIT_ORDER_HINT_BITS - 1
           : -1;
-#if CONFIG_NEW_REF_SIGNALING
   seq->explicit_ref_frame_map = oxcf->ref_frm_cfg.explicit_ref_frame_map;
   seq->max_reference_frames = oxcf->ref_frm_cfg.max_reference_frames;
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
   seq->num_same_ref_compound = SAME_REF_COMPOUND_PRUNE;
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   seq->max_frame_width = frm_dim_cfg->forced_max_frame_width
                              ? frm_dim_cfg->forced_max_frame_width
@@ -720,9 +718,6 @@
   MACROBLOCK *const x = &cpi->td.mb;
   AV1LevelParams *const level_params = &cpi->level_params;
   InitialDimensions *const initial_dimensions = &cpi->initial_dimensions;
-#if !CONFIG_NEW_REF_SIGNALING
-  RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // !CONFIG_NEW_REF_SIGNALING
   const FrameDimensionCfg *const frm_dim_cfg = &cpi->oxcf.frm_dim_cfg;
   const DecoderModelCfg *const dec_model_cfg = &oxcf->dec_model_cfg;
   const ColorCfg *const color_cfg = &oxcf->color_cfg;
@@ -817,11 +812,6 @@
 
   rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
 
-#if !CONFIG_NEW_REF_SIGNALING
-  refresh_frame_flags->golden_frame = false;
-  refresh_frame_flags->bwd_ref_frame = false;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   cm->features.refresh_frame_context =
       (oxcf->tool_cfg.frame_parallel_decoding_mode)
           ? REFRESH_FRAME_CONTEXT_DISABLED
@@ -932,9 +922,7 @@
 
   cpi->ext_flags.refresh_frame.update_pending = 0;
   cpi->ext_flags.refresh_frame_context_pending = 0;
-#if CONFIG_NEW_REF_SIGNALING
   cpi->ext_flags.refresh_frame.all_ref_frames = 1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   highbd_set_var_fns(cpi);
 
@@ -1123,10 +1111,6 @@
   cpi->last_show_frame_buf = NULL;
   realloc_segmentation_maps(cpi);
 
-#if !CONFIG_NEW_REF_SIGNALING
-  cpi->refresh_frame.alt_ref_frame = false;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
 #if CONFIG_INTERNAL_STATS
   cpi->b_calculate_blockiness = 1;
@@ -2146,11 +2130,7 @@
   if (!is_stat_generation_stage(cpi)) alloc_util_frame_buffers(cpi);
   init_motion_estimation(cpi);
 
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
     if (buf != NULL) {
       struct scale_factors *sf = get_ref_scale_factors(cm, ref_frame);
@@ -2182,11 +2162,7 @@
   av1_setup_scale_factors_for_frame(&cm->sf_identity, cm->width, cm->height,
                                     cm->width, cm->height);
 
-#if CONFIG_NEW_REF_SIGNALING
   set_ref_ptrs(cm, xd, 0, 0);
-#else
-  set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 /*!\brief Select and apply cdef filters and switchable restoration filters
@@ -2487,7 +2463,6 @@
   // not allowed. Also consider dropping this segment completely.
   if (cpi->sf.hl_sf.disable_unequal_scale_refs &&
       !av1_superres_in_recode_allowed(cpi)) {
-#if CONFIG_NEW_REF_SIGNALING
     const MV_REFERENCE_FRAME golden_frame = get_best_past_ref_index(cm);
     const MV_REFERENCE_FRAME altref_frame = get_furthest_future_ref_index(cm);
     if (golden_frame != NONE_FRAME &&
@@ -2504,20 +2479,6 @@
       if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height)
         cm->ref_frame_flags ^= (1 << altref_frame);
     }
-#else
-    if (cm->ref_frame_flags & av1_ref_frame_flag_list[GOLDEN_FRAME]) {
-      const YV12_BUFFER_CONFIG *const ref =
-          get_ref_frame_yv12_buf(cm, GOLDEN_FRAME);
-      if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height)
-        cm->ref_frame_flags ^= AOM_GOLD_FLAG;
-    }
-    if (cm->ref_frame_flags & av1_ref_frame_flag_list[ALTREF_FRAME]) {
-      const YV12_BUFFER_CONFIG *const ref =
-          get_ref_frame_yv12_buf(cm, ALTREF_FRAME);
-      if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height)
-        cm->ref_frame_flags ^= AOM_ALT_FLAG;
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 
   // For SVC the inter-layer/spatial prediction is not done for newmv
@@ -2947,11 +2908,7 @@
     cm->rst_info[1].frame_restoration_type = RESTORE_NONE;
     cm->rst_info[2].frame_restoration_type = RESTORE_NONE;
 
-#if CONFIG_NEW_REF_SIGNALING
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-    for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       cm->global_motion[i] = default_warp_params;
       cm->cur_frame->global_motion[i] = default_warp_params;
     }
@@ -3491,11 +3448,6 @@
 
   aom_clear_system_state();
 
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  memset(cpi->mode_chosen_counts, 0,
-         MAX_MODES * sizeof(*cpi->mode_chosen_counts));
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-
   if (seq_params->frame_id_numbers_present_flag) {
     /* Non-normative definition of current_frame_id ("frame counter" with
      * wraparound) */
@@ -3678,11 +3630,6 @@
   memcpy(cm->remapped_ref_idx, frame_params->remapped_ref_idx,
          REF_FRAMES * sizeof(*cm->remapped_ref_idx));
 
-#if !CONFIG_NEW_REF_SIGNALING
-  memcpy(&cpi->refresh_frame, &frame_params->refresh_frame,
-         sizeof(cpi->refresh_frame));
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   if (current_frame->frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) {
     current_frame->key_frame_number += current_frame->frame_number;
     current_frame->frame_number = 0;
@@ -4105,33 +4052,6 @@
       &ext_flags->refresh_frame;
   ext_flags->ref_frame_flags = AOM_REFFRAME_ALL;
 
-#if !CONFIG_NEW_REF_SIGNALING
-  if (flags &
-      (AOM_EFLAG_NO_REF_LAST | AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
-       AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
-       AOM_EFLAG_NO_REF_ARF2)) {
-    int ref = AOM_REFFRAME_ALL;
-
-    if (flags & AOM_EFLAG_NO_REF_LAST) ref ^= AOM_LAST_FLAG;
-    if (flags & AOM_EFLAG_NO_REF_LAST2) ref ^= AOM_LAST2_FLAG;
-    if (flags & AOM_EFLAG_NO_REF_LAST3) ref ^= AOM_LAST3_FLAG;
-
-    if (flags & AOM_EFLAG_NO_REF_GF) ref ^= AOM_GOLD_FLAG;
-
-    if (flags & AOM_EFLAG_NO_REF_ARF) {
-      ref ^= AOM_ALT_FLAG;
-      ref ^= AOM_BWD_FLAG;
-      ref ^= AOM_ALT2_FLAG;
-    } else {
-      if (flags & AOM_EFLAG_NO_REF_BWD) ref ^= AOM_BWD_FLAG;
-      if (flags & AOM_EFLAG_NO_REF_ARF2) ref ^= AOM_ALT2_FLAG;
-    }
-
-    av1_use_as_reference(&ext_flags->ref_frame_flags, ref);
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
-#if CONFIG_NEW_REF_SIGNALING
   if (flags & AOM_EFLAG_NO_UPD_ALL) {
     ext_refresh_frame_flags->all_ref_frames = 0;
     ext_refresh_frame_flags->update_pending = 1;
@@ -4139,32 +4059,6 @@
     ext_refresh_frame_flags->all_ref_frames = 1;
     ext_refresh_frame_flags->update_pending = 0;
   }
-#else
-  if (flags &
-      (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF)) {
-    int upd = AOM_REFFRAME_ALL;
-
-    // Refreshing LAST/LAST2/LAST3 is handled by 1 common flag.
-    if (flags & AOM_EFLAG_NO_UPD_LAST) upd ^= AOM_LAST_FLAG;
-
-    if (flags & AOM_EFLAG_NO_UPD_GF) upd ^= AOM_GOLD_FLAG;
-
-    if (flags & AOM_EFLAG_NO_UPD_ARF) {
-      upd ^= AOM_ALT_FLAG;
-      upd ^= AOM_BWD_FLAG;
-      upd ^= AOM_ALT2_FLAG;
-    }
-
-    ext_refresh_frame_flags->last_frame = (upd & AOM_LAST_FLAG) != 0;
-    ext_refresh_frame_flags->golden_frame = (upd & AOM_GOLD_FLAG) != 0;
-    ext_refresh_frame_flags->alt_ref_frame = (upd & AOM_ALT_FLAG) != 0;
-    ext_refresh_frame_flags->bwd_ref_frame = (upd & AOM_BWD_FLAG) != 0;
-    ext_refresh_frame_flags->alt2_ref_frame = (upd & AOM_ALT2_FLAG) != 0;
-    ext_refresh_frame_flags->update_pending = 1;
-  } else {
-    ext_refresh_frame_flags->update_pending = 0;
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   ext_flags->use_ref_frame_mvs = cpi->oxcf.tool_cfg.enable_ref_frame_mvs &
                                  ((flags & AOM_EFLAG_NO_REF_FRAME_MVS) == 0);
diff --git a/av1/encoder/encoder.h b/av1/encoder/encoder.h
index ea36e52..b05668a 100644
--- a/av1/encoder/encoder.h
+++ b/av1/encoder/encoder.h
@@ -98,12 +98,6 @@
 
 enum {
   FRAMEFLAGS_KEY = 1 << 0,
-#if !CONFIG_NEW_REF_SIGNALING
-  FRAMEFLAGS_GOLDEN = 1 << 1,
-  FRAMEFLAGS_BWDREF = 1 << 2,
-  // TODO(zoeliu): To determine whether a frame flag is needed for ALTREF2_FRAME
-  FRAMEFLAGS_ALTREF = 1 << 3,
-#endif  // !CONFIG_NEW_REF_SIGNALING
   FRAMEFLAGS_INTRAONLY = 1 << 4,
   FRAMEFLAGS_SWITCH = 1 << 5,
   FRAMEFLAGS_ERROR_RESILIENT = 1 << 6,
@@ -689,9 +683,7 @@
   bool enable_reduced_reference_set;
   // Indicates if one-sided compound should be enabled.
   bool enable_onesided_comp;
-#if CONFIG_NEW_REF_SIGNALING
   bool explicit_ref_frame_map;
-#endif  // CONFIG_NEW_REF_SIGNALING
 } RefFrameCfg;
 
 typedef struct {
@@ -1368,18 +1360,10 @@
   unsigned int tip_ref[TIP_CONTEXTS][2];
 #endif  // CONFIG_TIP
   unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
-#if CONFIG_NEW_REF_SIGNALING
   unsigned int single_ref[REF_CONTEXTS][INTER_REFS_PER_FRAME - 1][2];
   unsigned int comp_ref0[REF_CONTEXTS][INTER_REFS_PER_FRAME - 2][2];
   unsigned int comp_ref1[REF_CONTEXTS][COMPREF_BIT_TYPES]
                         [INTER_REFS_PER_FRAME - 2][2];
-#else
-  unsigned int comp_ref_type[COMP_REF_TYPE_CONTEXTS][2];
-  unsigned int uni_comp_ref[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS - 1][2];
-  unsigned int single_ref[REF_CONTEXTS][SINGLE_REFS - 1][2];
-  unsigned int comp_ref[REF_CONTEXTS][FWD_REFS - 1][2];
-  unsigned int comp_bwdref[REF_CONTEXTS][BWD_REFS - 1][2];
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_CONTEXT_MODELING
   unsigned int intrabc[INTRABC_CONTEXTS][2];
 #else
@@ -1651,11 +1635,7 @@
 typedef struct RD_COUNTS {
   int64_t comp_pred_diff[REFERENCE_MODES];
   // Stores number of 4x4 blocks using global motion per reference frame.
-#if CONFIG_NEW_REF_SIGNALING
   int global_motion_used[INTER_REFS_PER_FRAME];
-#else
-  int global_motion_used[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int compound_ref_used_flag;
   int skip_mode_used_flag;
   int tx_type_used[TX_SIZES_ALL][TX_TYPES];
@@ -1982,11 +1962,7 @@
    * each reference frame. gmparams_cost[i] stores the cost of signalling global
    * motion for the ith reference frame.
    */
-#if CONFIG_NEW_REF_SIGNALING
   int params_cost[INTER_REFS_PER_FRAME];
-#else
-  int params_cost[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*!
    * Flag to indicate if global motion search needs to be rerun.
@@ -1998,11 +1974,7 @@
    * ref_buf[i] stores the pointer to the reference frame of the ith
    * reference frame type.
    */
-#if CONFIG_NEW_REF_SIGNALING
   YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME];
-#else
-  YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*!
    * Pointer to the source frame buffer.
@@ -2022,11 +1994,7 @@
    * reference_frames[i][j] holds the jth valid reference frame type in the
    * direction 'i' and its temporal distance from the source frame .
    */
-#if CONFIG_NEW_REF_SIGNALING
   FrameDistPair reference_frames[MAX_DIRECTIONS][INTER_REFS_PER_FRAME];
-#else
-  FrameDistPair reference_frames[MAX_DIRECTIONS][REF_FRAMES - 1];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /**
    * \name Dimensions for which segment map is allocated.
@@ -2112,22 +2080,6 @@
   search_site_config search_site_cfg[SS_CFG_TOTAL][NUM_DISTINCT_SEARCH_METHODS];
 } MotionVectorSearchParams;
 
-#if !CONFIG_NEW_REF_SIGNALING
-/*!
- * \brief Refresh frame flags for different type of frames.
- *
- * If the refresh flag is true for a particular reference frame, after the
- * current frame is encoded, the reference frame gets refreshed (updated) to
- * be the current frame. Note: Usually at most one flag will be set to true at
- * a time. But, for key-frames, all flags are set to true at once.
- */
-typedef struct {
-  bool golden_frame;  /*!< Refresh flag for golden frame */
-  bool bwd_ref_frame; /*!< Refresh flag for bwd-ref frame */
-  bool alt_ref_frame; /*!< Refresh flag for alt-ref frame */
-} RefreshFrameFlagsInfo;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 /*!
  * \brief Desired dimensions for an externally triggered resize.
  *
@@ -2232,15 +2184,7 @@
  * reference frame buffer with the contents of the current frame.
  */
 typedef struct {
-#if CONFIG_NEW_REF_SIGNALING
   bool all_ref_frames; /*!< Refresh all refs */
-#else
-  bool last_frame;     /*!< Refresh flag for last frame */
-  bool golden_frame;   /*!< Refresh flag for golden frame */
-  bool bwd_ref_frame;  /*!< Refresh flag for bwd-ref frame */
-  bool alt2_ref_frame; /*!< Refresh flag for alt2-ref frame */
-  bool alt_ref_frame;  /*!< Refresh flag for alt-ref frame */
-#endif  // CONFIG_NEW_REF_SIGNALING
   /*!
    * Flag indicating if the update of refresh frame flags is pending.
    */
@@ -2511,13 +2455,6 @@
    */
   RefCntBuffer *last_show_frame_buf;
 
-#if !CONFIG_NEW_REF_SIGNALING
-  /*!
-   * Refresh frame flags for golden, bwd-ref and alt-ref frames.
-   */
-  RefreshFrameFlagsInfo refresh_frame;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   /*!
    * For each type of reference frame, this contains the index of a reference
    * frame buffer for a reference frame of the same type.  We use this to
@@ -2678,9 +2615,6 @@
   /*!\cond */
   uint64_t time_receive_data;
   uint64_t time_compress_data;
-#if !CONFIG_NEW_REF_SIGNALING
-  unsigned int mode_chosen_counts[MAX_MODES];
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
   int count;
   uint64_t total_sq_error;
@@ -3024,14 +2958,6 @@
    */
   int remapped_ref_idx[REF_FRAMES];
 
-#if !CONFIG_NEW_REF_SIGNALING
-  /*!
-   *  Flags which determine which reference buffers are refreshed by this
-   *  frame.
-   */
-  RefreshFrameFlagsInfo refresh_frame;
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   /*!
    *  Speed level to use for this frame: Bigger number means faster.
    */
@@ -3228,20 +3154,12 @@
 static INLINE int enc_is_ref_frame_buf(const AV1_COMMON *const cm,
                                        const RefCntBuffer *const frame_buf) {
   MV_REFERENCE_FRAME ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
     if (buf == NULL) continue;
     if (frame_buf == buf) break;
   }
-#if CONFIG_NEW_REF_SIGNALING
   return (ref_frame < INTER_REFS_PER_FRAME);
-#else
-  return (ref_frame <= ALTREF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 static INLINE void alloc_frame_mvs(AV1_COMMON *const cm, RefCntBuffer *buf) {
@@ -3322,7 +3240,6 @@
 static INLINE void set_ref_ptrs(const AV1_COMMON *cm, MACROBLOCKD *xd,
                                 MV_REFERENCE_FRAME ref0,
                                 MV_REFERENCE_FRAME ref1) {
-#if CONFIG_NEW_REF_SIGNALING
   xd->block_ref_scale_factors[0] =
       get_ref_scale_factors_const(cm, ref0 < INTER_REFS_PER_FRAME
 #if CONFIG_TIP
@@ -3337,12 +3254,6 @@
 #endif  // CONFIG_TIP
                                           ? ref1
                                           : 0);
-#else
-  xd->block_ref_scale_factors[0] =
-      get_ref_scale_factors_const(cm, ref0 >= LAST_FRAME ? ref0 : 1);
-  xd->block_ref_scale_factors[1] =
-      get_ref_scale_factors_const(cm, ref1 >= LAST_FRAME ? ref1 : 1);
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 static INLINE int get_chessboard_index(int frame_index) {
@@ -3447,54 +3358,6 @@
   return (BLOCK_SIZE)int_size;
 }
 
-#if !CONFIG_NEW_REF_SIGNALING
-static const uint8_t av1_ref_frame_flag_list[REF_FRAMES] = { 0,
-                                                             AOM_LAST_FLAG,
-                                                             AOM_LAST2_FLAG,
-                                                             AOM_LAST3_FLAG,
-                                                             AOM_GOLD_FLAG,
-                                                             AOM_BWD_FLAG,
-                                                             AOM_ALT2_FLAG,
-                                                             AOM_ALT_FLAG };
-
-// When more than 'max_allowed_refs' are available, we reduce the number of
-// reference frames one at a time based on this order.
-static const MV_REFERENCE_FRAME disable_order[] = {
-  LAST3_FRAME,
-  LAST2_FRAME,
-  ALTREF2_FRAME,
-  GOLDEN_FRAME,
-};
-
-static const MV_REFERENCE_FRAME
-    ref_frame_priority_order[INTER_REFS_PER_FRAME] = {
-      LAST_FRAME,    ALTREF_FRAME, BWDREF_FRAME, GOLDEN_FRAME,
-      ALTREF2_FRAME, LAST2_FRAME,  LAST3_FRAME,
-    };
-
-static INLINE int get_ref_frame_flags(const YV12_BUFFER_CONFIG **ref_frames,
-                                      const int ext_ref_frame_flags) {
-  // cpi->ext_flags.ref_frame_flags allows certain reference types to be
-  // disabled by the external interface.  These are set by
-  // av1_apply_encoding_flags(). Start with what the external interface allows,
-  // then suppress any reference types which we have found to be duplicates.
-  int flags = ext_ref_frame_flags;
-
-  for (int i = 1; i < INTER_REFS_PER_FRAME; ++i) {
-    const YV12_BUFFER_CONFIG *const this_ref = ref_frames[i];
-    // If this_ref has appeared before, mark the corresponding ref frame as
-    // invalid.
-    for (int j = 0; j < i; ++j) {
-      if (this_ref == ref_frames[j]) {
-        flags &= ~(1 << (ref_frame_priority_order[i] - 1));
-        break;
-      }
-    }
-  }
-  return flags;
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 static INLINE int get_max_allowed_ref_frames(
     int selective_ref_frame, unsigned int max_reference_frames) {
   const unsigned int max_allowed_refs_for_given_speed =
@@ -3510,19 +3373,11 @@
   MV_REFERENCE_FRAME ref_frame;
   int total_valid_refs = 0;
 
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
     if (*ref_frame_flags & (1 << ref_frame)) {
       total_valid_refs++;
     }
   }
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    if (*ref_frame_flags & av1_ref_frame_flag_list[ref_frame]) {
-      total_valid_refs++;
-    }
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const int max_allowed_refs =
       get_max_allowed_ref_frames(cpi->sf.inter_sf.selective_ref_frame,
@@ -3535,17 +3390,7 @@
     if (!(*ref_frame_flags & (1 << ref_frame_to_disable))) {
       continue;
     }
-#if CONFIG_NEW_REF_SIGNALING
     *ref_frame_flags &= ~(1 << ref_frame_to_disable);
-#else
-    switch (ref_frame_to_disable) {
-      case LAST3_FRAME: *ref_frame_flags &= ~AOM_LAST3_FLAG; break;
-      case LAST2_FRAME: *ref_frame_flags &= ~AOM_LAST2_FLAG; break;
-      case ALTREF2_FRAME: *ref_frame_flags &= ~AOM_ALT2_FLAG; break;
-      case GOLDEN_FRAME: *ref_frame_flags &= ~AOM_GOLD_FLAG; break;
-      default: assert(0);
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
     --total_valid_refs;
   }
 }
diff --git a/av1/encoder/encoder_utils.c b/av1/encoder/encoder_utils.c
index b879cc3..5073552 100644
--- a/av1/encoder/encoder_utils.c
+++ b/av1/encoder/encoder_utils.c
@@ -497,25 +497,15 @@
   const int num_planes = av1_num_planes(cm);
   MV_REFERENCE_FRAME ref_frame;
 
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
     // Need to convert from AOM_REFFRAME to index into ref_mask (subtract 1).
     if (cm->ref_frame_flags & (1 << ref_frame)) {
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    // Need to convert from AOM_REFFRAME to index into ref_mask (subtract 1).
-    if (cm->ref_frame_flags & av1_ref_frame_flag_list[ref_frame]) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       BufferPool *const pool = cm->buffer_pool;
       const YV12_BUFFER_CONFIG *const ref =
           get_ref_frame_yv12_buf(cm, ref_frame);
 
       if (ref == NULL) {
-#if CONFIG_NEW_REF_SIGNALING
         cpi->scaled_ref_buf[ref_frame] = NULL;
-#else
-        cpi->scaled_ref_buf[ref_frame - 1] = NULL;
-#endif  // CONFIG_NEW_REF_SIGNALING
         continue;
       }
 
@@ -535,11 +525,7 @@
           }
         }
         int force_scaling = 0;
-#if CONFIG_NEW_REF_SIGNALING
         RefCntBuffer *new_fb = cpi->scaled_ref_buf[ref_frame];
-#else
-        RefCntBuffer *new_fb = cpi->scaled_ref_buf[ref_frame - 1];
-#endif  // CONFIG_NEW_REF_SIGNALING
         if (new_fb == NULL) {
           const int new_fb_idx = get_free_fb(cm);
           if (new_fb_idx == INVALID_IDX) {
@@ -570,30 +556,18 @@
           else
             av1_resize_and_extend_frame_nonnormative(
                 ref, &new_fb->buf, (int)cm->seq_params.bit_depth, num_planes);
-#if CONFIG_NEW_REF_SIGNALING
           cpi->scaled_ref_buf[ref_frame] = new_fb;
-#else
-          cpi->scaled_ref_buf[ref_frame - 1] = new_fb;
-#endif  // CONFIG_NEW_REF_SIGNALING
           alloc_frame_mvs(cm, new_fb);
         }
       } else {
         RefCntBuffer *buf = get_ref_frame_buf(cm, ref_frame);
         buf->buf.y_crop_width = ref->y_crop_width;
         buf->buf.y_crop_height = ref->y_crop_height;
-#if CONFIG_NEW_REF_SIGNALING
         cpi->scaled_ref_buf[ref_frame] = buf;
-#else
-        cpi->scaled_ref_buf[ref_frame - 1] = buf;
-#endif  // CONFIG_NEW_REF_SIGNALING
         ++buf->ref_count;
       }
     } else {
-#if CONFIG_NEW_REF_SIGNALING
       if (!has_no_stats_stage(cpi)) cpi->scaled_ref_buf[ref_frame] = NULL;
-#else
-      if (!has_no_stats_stage(cpi)) cpi->scaled_ref_buf[ref_frame - 1] = NULL;
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
   }
 }
@@ -826,11 +800,7 @@
                                        int *const gm_params_cost) {
   int i;
   int recode = 0;
-#if CONFIG_NEW_REF_SIGNALING
   for (i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (global_motion[i].wmtype != IDENTITY &&
         global_motion_used[i] * GM_RECODE_LOOP_NUM4X4_FACTOR <
             gm_params_cost[i]) {
diff --git a/av1/encoder/encoder_utils.h b/av1/encoder/encoder_utils.h
index 2d79598..cc379ce 100644
--- a/av1/encoder/encoder_utils.h
+++ b/av1/encoder/encoder_utils.h
@@ -139,11 +139,7 @@
 static AOM_INLINE void init_buffer_indices(
     ForceIntegerMVInfo *const force_intpel_info, int *const remapped_ref_idx) {
   int fb_idx;
-#if CONFIG_NEW_REF_SIGNALING
   for (fb_idx = 0; fb_idx < INTER_REFS_PER_FRAME; ++fb_idx)
-#else
-  for (fb_idx = 0; fb_idx < REF_FRAMES; ++fb_idx)
-#endif  // CONFIG_NEW_REF_SIGNALING
     remapped_ref_idx[fb_idx] = fb_idx;
   force_intpel_info->rate_index = 0;
   force_intpel_info->rate_size = 0;
@@ -884,11 +880,7 @@
 static AOM_INLINE void set_size_independent_vars(AV1_COMP *cpi) {
   int i;
   AV1_COMMON *const cm = &cpi->common;
-#if CONFIG_NEW_REF_SIGNALING
   for (i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     cm->global_motion[i] = default_warp_params;
   }
   cpi->gm_info.search_done = 0;
diff --git a/av1/encoder/ethread.c b/av1/encoder/ethread.c
index 8c89e5e..ae5ee7c 100644
--- a/av1/encoder/ethread.c
+++ b/av1/encoder/ethread.c
@@ -27,11 +27,7 @@
   for (int i = 0; i < REFERENCE_MODES; i++)
     td->rd_counts.comp_pred_diff[i] += td_t->rd_counts.comp_pred_diff[i];
 
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; i++)
-#else
-  for (int i = 0; i < REF_FRAMES; i++)
-#endif  // CONFIG_NEW_REF_SIGNALING
     td->rd_counts.global_motion_used[i] +=
         td_t->rd_counts.global_motion_used[i];
 
diff --git a/av1/encoder/firstpass.c b/av1/encoder/firstpass.c
index 47b7eea..cf7332c 100644
--- a/av1/encoder/firstpass.c
+++ b/av1/encoder/firstpass.c
@@ -686,11 +686,7 @@
     xd->mi[0]->mode = NEWMV;
     xd->mi[0]->mv[0].as_mv = best_mv;
     xd->mi[0]->tx_size = TX_4X4;
-#if CONFIG_NEW_REF_SIGNALING
     xd->mi[0]->ref_frame[0] = get_closest_pastcur_ref_index(cm);
-#else
-    xd->mi[0]->ref_frame[0] = LAST_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
     xd->mi[0]->ref_frame[1] = NONE_FRAME;
     av1_enc_build_inter_predictor(cm, xd, mb_row * mb_scale, mb_col * mb_scale,
                                   NULL, bsize, AOM_PLANE_Y, AOM_PLANE_Y);
@@ -929,13 +925,11 @@
   }
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 // First pass inter prediction relies on last and golden frames as reference
 // frames. In new reference framework, references with rank 0 and 2 are used
 // as their proxies.
 #define LAST_FRAME_PROXY 0
 #define GOLDEN_FRAME_PROXY 2  // Any proxy index will do
-#endif                        // CONFIG_NEW_REF_SIGNALING
 
 void av1_first_pass_row(AV1_COMP *cpi, ThreadData *td, TileDataEnc *tile_data,
                         int mb_row) {
@@ -961,17 +955,10 @@
   AV1EncRowMultiThreadSync *const row_mt_sync = &tile_data->row_mt_sync;
 
   xd->tile = *tile;
-#if CONFIG_NEW_REF_SIGNALING
   const YV12_BUFFER_CONFIG *const last_frame =
       get_ref_frame_yv12_buf(cm, LAST_FRAME_PROXY);
   const YV12_BUFFER_CONFIG *golden_frame =
       get_ref_frame_yv12_buf(cm, GOLDEN_FRAME_PROXY);
-#else
-  const YV12_BUFFER_CONFIG *const last_frame =
-      get_ref_frame_yv12_buf(cm, LAST_FRAME);
-  const YV12_BUFFER_CONFIG *golden_frame =
-      get_ref_frame_yv12_buf(cm, GOLDEN_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
   const YV12_BUFFER_CONFIG *alt_ref_frame = NULL;
   const int alt_ref_offset =
       FIRST_PASS_ALT_REF_DISTANCE -
@@ -1130,17 +1117,10 @@
 
   av1_init_tile_data(cpi);
 
-#if CONFIG_NEW_REF_SIGNALING
   const YV12_BUFFER_CONFIG *const last_frame =
       get_ref_frame_yv12_buf(cm, LAST_FRAME_PROXY);
   const YV12_BUFFER_CONFIG *golden_frame =
       get_ref_frame_yv12_buf(cm, GOLDEN_FRAME_PROXY);
-#else
-  const YV12_BUFFER_CONFIG *const last_frame =
-      get_ref_frame_yv12_buf(cm, LAST_FRAME);
-  const YV12_BUFFER_CONFIG *golden_frame =
-      get_ref_frame_yv12_buf(cm, GOLDEN_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
   YV12_BUFFER_CONFIG *const this_frame = &cm->cur_frame->buf;
   // First pass code requires valid last and new frame buffers.
   assert(this_frame != NULL);
@@ -1239,15 +1219,9 @@
        ((this_frame_stats->intra_error /
          DOUBLE_DIVIDE_CHECK(this_frame_stats->coded_error)) > 2.0))) {
     if (golden_frame != NULL) {
-#if CONFIG_NEW_REF_SIGNALING
       assign_frame_buffer_p(
           &cm->ref_frame_map[get_ref_frame_map_idx(cm, GOLDEN_FRAME_PROXY)],
           cm->ref_frame_map[get_ref_frame_map_idx(cm, LAST_FRAME_PROXY)]);
-#else
-      assign_frame_buffer_p(
-          &cm->ref_frame_map[get_ref_frame_map_idx(cm, GOLDEN_FRAME)],
-          cm->ref_frame_map[get_ref_frame_map_idx(cm, LAST_FRAME)]);
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
     twopass->sr_update_lag = 1;
   } else {
@@ -1257,32 +1231,18 @@
   aom_extend_frame_borders(this_frame, num_planes);
 
   // The frame we just compressed now becomes the last frame.
-#if CONFIG_NEW_REF_SIGNALING
   assign_frame_buffer_p(
       &cm->ref_frame_map[get_ref_frame_map_idx(cm, LAST_FRAME_PROXY)],
       cm->cur_frame);
-#else
-  assign_frame_buffer_p(
-      &cm->ref_frame_map[get_ref_frame_map_idx(cm, LAST_FRAME)], cm->cur_frame);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // Special case for the first frame. Copy into the GF buffer as a second
   // reference.
-#if CONFIG_NEW_REF_SIGNALING
   if (current_frame->frame_number == 0 &&
       get_ref_frame_map_idx(cm, GOLDEN_FRAME_PROXY) != INVALID_IDX) {
     assign_frame_buffer_p(
         &cm->ref_frame_map[get_ref_frame_map_idx(cm, GOLDEN_FRAME_PROXY)],
         cm->ref_frame_map[get_ref_frame_map_idx(cm, LAST_FRAME_PROXY)]);
   }
-#else
-  if (current_frame->frame_number == 0 &&
-      get_ref_frame_map_idx(cm, GOLDEN_FRAME) != INVALID_IDX) {
-    assign_frame_buffer_p(
-        &cm->ref_frame_map[get_ref_frame_map_idx(cm, GOLDEN_FRAME)],
-        cm->ref_frame_map[get_ref_frame_map_idx(cm, LAST_FRAME)]);
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   print_reconstruction_frame(last_frame, current_frame->frame_number,
                              /*do_print=*/0);
diff --git a/av1/encoder/global_motion_facade.c b/av1/encoder/global_motion_facade.c
index 9fc6d8a..7e28cab 100644
--- a/av1/encoder/global_motion_facade.c
+++ b/av1/encoder/global_motion_facade.c
@@ -96,13 +96,8 @@
 // For the given reference frame, computes the global motion parameters for
 // different motion models and finds the best.
 static AOM_INLINE void compute_global_motion_for_ref_frame(
-    AV1_COMP *cpi,
-#if CONFIG_NEW_REF_SIGNALING
-    YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
-#else
-    YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES],
-#endif  // CONFIG_NEW_REF_SIGNALING
-    int frame, int num_src_corners, int *src_corners, unsigned char *src_buffer,
+    AV1_COMP *cpi, YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME], int frame,
+    int num_src_corners, int *src_corners, unsigned char *src_buffer,
     MotionModel *params_by_motion, uint8_t *segment_map,
     const int segment_map_w, const int segment_map_h,
     const WarpedMotionParams *ref_params) {
@@ -130,15 +125,9 @@
   // TODO(sarahparker, debargha): Explore do_adaptive_gm_estimation = 1
   const int do_adaptive_gm_estimation = 0;
 
-#if CONFIG_NEW_REF_SIGNALING
   const int ref_frame_dist = get_relative_dist(
       &cm->seq_params.order_hint_info, cm->current_frame.order_hint,
       cm->cur_frame->ref_order_hints[frame]);
-#else
-  const int ref_frame_dist = get_relative_dist(
-      &cm->seq_params.order_hint_info, cm->current_frame.order_hint,
-      cm->cur_frame->ref_order_hints[frame - LAST_FRAME]);
-#endif  // CONFIG_NEW_REF_SIGNALING
   const GlobalMotionEstimationType gm_estimation_type =
       cm->seq_params.order_hint_info.enable_order_hint &&
               abs(ref_frame_dist) <= 2 && do_adaptive_gm_estimation
@@ -244,13 +233,8 @@
 
 // Computes global motion for the given reference frame.
 void av1_compute_gm_for_valid_ref_frames(
-    AV1_COMP *cpi,
-#if CONFIG_NEW_REF_SIGNALING
-    YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
-#else
-    YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES],
-#endif  // CONFIG_NEW_REF_SIGNALING
-    int frame, int num_src_corners, int *src_corners, unsigned char *src_buffer,
+    AV1_COMP *cpi, YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME], int frame,
+    int num_src_corners, int *src_corners, unsigned char *src_buffer,
     MotionModel *params_by_motion, uint8_t *segment_map, int segment_map_w,
     int segment_map_h) {
   AV1_COMMON *const cm = &cpi->common;
@@ -276,17 +260,11 @@
 
 // Loops over valid reference frames and computes global motion estimation.
 static AOM_INLINE void compute_global_motion_for_references(
-    AV1_COMP *cpi,
-#if CONFIG_NEW_REF_SIGNALING
-    YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
-    FrameDistPair reference_frame[INTER_REFS_PER_FRAME],
-#else
-    YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES],
-    FrameDistPair reference_frame[REF_FRAMES - 1],
-#endif  // CONFIG_NEW_REF_SIGNALING
-    int num_ref_frames, int num_src_corners, int *src_corners,
-    unsigned char *src_buffer, MotionModel *params_by_motion,
-    uint8_t *segment_map, const int segment_map_w, const int segment_map_h) {
+    AV1_COMP *cpi, YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
+    FrameDistPair reference_frame[INTER_REFS_PER_FRAME], int num_ref_frames,
+    int num_src_corners, int *src_corners, unsigned char *src_buffer,
+    MotionModel *params_by_motion, uint8_t *segment_map,
+    const int segment_map_w, const int segment_map_h) {
   // Computation of frame corners for the source frame will be done already.
   assert(num_src_corners != -1);
   AV1_COMMON *const cm = &cpi->common;
@@ -323,7 +301,6 @@
 
 // Function to decide if we can skip the global motion parameter computation
 // for a particular ref frame.
-#if CONFIG_NEW_REF_SIGNALING
 static AOM_INLINE int skip_gm_frame(AV1_COMMON *const cm, int refrank) {
   const RefCntBuffer *const refbuf = get_ref_frame_buf(cm, refrank);
   if (refbuf == NULL) return 1;
@@ -354,47 +331,12 @@
   }
   return 1;
 }
-#else
-static AOM_INLINE int skip_gm_frame(AV1_COMMON *const cm, int ref_frame) {
-  if ((ref_frame == LAST3_FRAME || ref_frame == LAST2_FRAME) &&
-      cm->global_motion[GOLDEN_FRAME].wmtype != IDENTITY) {
-    return get_relative_dist(
-               &cm->seq_params.order_hint_info,
-               cm->cur_frame->ref_order_hints[ref_frame - LAST_FRAME],
-               cm->cur_frame->ref_order_hints[GOLDEN_FRAME - LAST_FRAME]) <= 0;
-  }
-  return 0;
-}
-
-// Prunes reference frames for global motion estimation based on the speed
-// feature 'gm_search_type'.
-static int do_gm_search_logic(SPEED_FEATURES *const sf, int frame) {
-  (void)frame;
-  switch (sf->gm_sf.gm_search_type) {
-    case GM_FULL_SEARCH: return 1;
-    case GM_REDUCED_REF_SEARCH_SKIP_L2_L3:
-      return !(frame == LAST2_FRAME || frame == LAST3_FRAME);
-    case GM_REDUCED_REF_SEARCH_SKIP_L2_L3_ARF2:
-      return !(frame == LAST2_FRAME || frame == LAST3_FRAME ||
-               (frame == ALTREF2_FRAME));
-    case GM_DISABLE_SEARCH: return 0;
-    default: assert(0);
-  }
-  return 1;
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 // Populates valid reference frames in past/future directions in
 // 'reference_frames' and their count in 'num_ref_frames'.
 static AOM_INLINE void update_valid_ref_frames_for_gm(
-    AV1_COMP *cpi,
-#if CONFIG_NEW_REF_SIGNALING
-    YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
+    AV1_COMP *cpi, YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
     FrameDistPair reference_frames[MAX_DIRECTIONS][INTER_REFS_PER_FRAME],
-#else
-    YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES],
-    FrameDistPair reference_frames[MAX_DIRECTIONS][REF_FRAMES - 1],
-#endif  // CONFIG_NEW_REF_SIGNALING
     int *num_ref_frames) {
   AV1_COMMON *const cm = &cpi->common;
   int *num_past_ref_frames = &num_ref_frames[0];
@@ -403,7 +345,6 @@
   int ref_pruning_enabled = is_frame_eligible_for_ref_pruning(
       gf_group, cpi->sf.inter_sf.selective_ref_frame, 1, gf_group->index);
 
-#if CONFIG_NEW_REF_SIGNALING
   for (int frame = cm->ref_frames_info.num_total_refs - 1; frame >= 0;
        --frame) {
     const MV_REFERENCE_FRAME ref_frame[2] = { frame, NONE_FRAME };
@@ -411,12 +352,6 @@
     assert(frame <= INTER_REFS_PER_FRAME);
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
     const int ref_disabled = !(cm->ref_frame_flags & (1 << frame));
-#else
-  for (int frame = ALTREF_FRAME; frame >= LAST_FRAME; --frame) {
-    const MV_REFERENCE_FRAME ref_frame[2] = { frame, NONE_FRAME };
-    const int ref_disabled =
-        !(cm->ref_frame_flags & av1_ref_frame_flag_list[frame]);
-#endif  // CONFIG_NEW_REF_SIGNALING
     ref_buf[frame] = NULL;
     cm->global_motion[frame] = default_warp_params;
     RefCntBuffer *buf = get_ref_frame_buf(cm, frame);
@@ -429,26 +364,14 @@
       ref_buf[frame] = &buf->buf;
     }
 
-#if CONFIG_NEW_REF_SIGNALING
     int prune_ref_frames =
         ref_pruning_enabled &&
         prune_ref_by_selective_ref_frame(cpi, NULL, ref_frame);
-#else
-    int prune_ref_frames =
-        ref_pruning_enabled &&
-        prune_ref_by_selective_ref_frame(cpi, NULL, ref_frame,
-                                         cm->cur_frame->ref_display_order_hint);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
     if (ref_buf[frame]->y_crop_width == cpi->source->y_crop_width &&
         ref_buf[frame]->y_crop_height == cpi->source->y_crop_height &&
-#if CONFIG_NEW_REF_SIGNALING
         do_gm_search_logic(&cpi->sf, ref_frame[0]) &&
         !(cpi->sf.gm_sf.selective_ref_gm && skip_gm_frame(cm, ref_frame[0])) &&
-#else
-        do_gm_search_logic(&cpi->sf, frame) &&
-        !(cpi->sf.gm_sf.selective_ref_gm && skip_gm_frame(cm, frame)) &&
-#endif  // CONFIG_NEW_REF_SIGNALING
         !prune_ref_frames) {
       assert(ref_buf[frame] != NULL);
       const int relative_frame_dist = av1_encoder_get_relative_dist(
@@ -512,15 +435,9 @@
   gm_info->segment_map_h =
       (source->y_height + WARP_ERROR_BLOCK) >> WARP_ERROR_BLOCK_LOG;
 
-#if CONFIG_NEW_REF_SIGNALING
   memset(gm_info->reference_frames, -1,
          sizeof(gm_info->reference_frames[0][0]) * MAX_DIRECTIONS *
              (INTER_REFS_PER_FRAME));
-#else
-  memset(gm_info->reference_frames, -1,
-         sizeof(gm_info->reference_frames[0][0]) * MAX_DIRECTIONS *
-             (REF_FRAMES - 1));
-#endif  // CONFIG_NEW_REF_SIGNALING
   av1_zero(gm_info->num_ref_frames);
 
   // Populate ref_buf for valid ref frames in global motion
diff --git a/av1/encoder/global_motion_facade.h b/av1/encoder/global_motion_facade.h
index 474cebb..7768946 100644
--- a/av1/encoder/global_motion_facade.h
+++ b/av1/encoder/global_motion_facade.h
@@ -20,12 +20,7 @@
 struct AV1_COMP;
 
 void av1_compute_gm_for_valid_ref_frames(
-    struct AV1_COMP *cpi,
-#if CONFIG_NEW_REF_SIGNALING
-    YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
-#else
-    YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES],
-#endif  // CONFIG_NEW_REF_SIGNALING
+    struct AV1_COMP *cpi, YV12_BUFFER_CONFIG *ref_buf[INTER_REFS_PER_FRAME],
     int frame, int num_src_corners, int *src_corners, unsigned char *src_buffer,
     MotionModel *params_by_motion, uint8_t *segment_map, int segment_map_w,
     int segment_map_h);
diff --git a/av1/encoder/interp_search.c b/av1/encoder/interp_search.c
index eb2beb6..d3108aa 100644
--- a/av1/encoder/interp_search.c
+++ b/av1/encoder/interp_search.c
@@ -409,11 +409,7 @@
   MACROBLOCKD *const xd = &x->e_mbd;
   MB_MODE_INFO *const mbmi = xd->mi[0];
   const int need_search = av1_is_interp_needed(cm, xd);
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const int ref_frame = COMPACT_INDEX0_NRS(xd->mi[0]->ref_frame[0]);
-#else
-  const int ref_frame = xd->mi[0]->ref_frame[0];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   RD_STATS rd_stats_luma, rd_stats;
 
 #if CONFIG_WARPMV
diff --git a/av1/encoder/model_rd.h b/av1/encoder/model_rd.h
index b420db3..64c2342 100644
--- a/av1/encoder/model_rd.h
+++ b/av1/encoder/model_rd.h
@@ -164,11 +164,7 @@
   // Hence quantizer step is also 8 times. To get effective quantizer
   // we need to divide by 8 before sending to modeling function.
   int plane;
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const int ref = COMPACT_INDEX0_NRS(xd->mi[0]->ref_frame[0]);
-#else
-  const int ref = xd->mi[0]->ref_frame[0];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 
   int64_t rate_sum = 0;
   int64_t dist_sum = 0;
@@ -219,11 +215,7 @@
   // Note our transform coeffs are 8 times an orthogonal transform.
   // Hence quantizer step is also 8 times. To get effective quantizer
   // we need to divide by 8 before sending to modeling function.
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const int ref = COMPACT_INDEX0_NRS(xd->mi[0]->ref_frame[0]);
-#else
-  const int ref = xd->mi[0]->ref_frame[0];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 
   int64_t rate_sum = 0;
   int64_t dist_sum = 0;
diff --git a/av1/encoder/motion_search_facade.c b/av1/encoder/motion_search_facade.c
index df864d5..9d334fb 100644
--- a/av1/encoder/motion_search_facade.c
+++ b/av1/encoder/motion_search_facade.c
@@ -88,16 +88,10 @@
     // Take the weighted average of the step_params based on the last frame's
     // max mv magnitude and that based on the best ref mvs of the current
     // block for the given reference.
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     const int ref_frame_idx = COMPACT_INDEX0_NRS(ref);
     step_param = (av1_init_search_range(x->max_mv_context[ref_frame_idx]) +
                   mv_search_params->mv_step_param) /
                  2;
-#else
-    step_param = (av1_init_search_range(x->max_mv_context[ref]) +
-                  mv_search_params->mv_step_param) /
-                 2;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   } else {
     step_param = mv_search_params->mv_step_param;
   }
@@ -164,13 +158,8 @@
 
         for (int k = 0; k < nh; k++) {
           for (int l = 0; l < nw; l++) {
-#if CONFIG_NEW_REF_SIGNALING
             const int_mv mv =
                 sb_enc->tpl_mv[start + k * sb_enc->tpl_stride + l][ref];
-#else
-            const int_mv mv = sb_enc->tpl_mv[start + k * sb_enc->tpl_stride + l]
-                                            [ref - LAST_FRAME];
-#endif  // CONFIG_NEW_REF_SIGNALING
             if (mv.as_int == INVALID_MV) {
               valid = 0;
               break;
@@ -397,11 +386,7 @@
     int_mv fractional_ms_list[3];
     av1_set_fractional_mv(fractional_ms_list);
     int dis; /* TODO: use dis in distortion calculation later. */
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     const int ref_pred = COMPACT_INDEX0_NRS(ref);
-#else
-    const int ref_pred = ref;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 
     SUBPEL_MOTION_SEARCH_PARAMS ms_params;
     av1_make_default_subpel_ms_params(&ms_params, cpi, x, bsize, &ref_mv,
@@ -1585,12 +1570,7 @@
 
     cpi->mv_search_params.find_fractional_mv_step(
         xd, cm, &ms_params, subpel_start_mv, &best_mv.as_mv, &not_used,
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
-        &x->pred_sse[COMPACT_INDEX0_NRS(ref)],
-#else
-        &x->pred_sse[ref],
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
-        NULL);
+        &x->pred_sse[COMPACT_INDEX0_NRS(ref)], NULL);
   } else {
     // Manually convert from units of pixel to 1/8-pixels if we are not doing
     // subpel search
@@ -1617,12 +1597,7 @@
                                  const FULLPEL_MV start_mv, int use_subpixel,
                                  unsigned int *sse, unsigned int *var) {
   MACROBLOCKD *xd = &x->e_mbd;
-#if CONFIG_NEW_REF_SIGNALING
   const MV_REFERENCE_FRAME ref = get_closest_pastcur_ref_index(&cpi->common);
-#else
-  const MV_REFERENCE_FRAME ref =
-      cpi->rc.is_src_frame_alt_ref ? ALTREF_FRAME : LAST_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   int_mv best_mv = av1_simple_motion_search(cpi, x, mi_row, mi_col, bsize, ref,
                                             start_mv, 1, use_subpixel);
diff --git a/av1/encoder/partition_search.c b/av1/encoder/partition_search.c
index 8d48ca0..e28b625 100644
--- a/av1/encoder/partition_search.c
+++ b/av1/encoder/partition_search.c
@@ -1049,12 +1049,7 @@
   const CurrentFrame *const current_frame = &cm->current_frame;
   const BLOCK_SIZE bsize = mbmi->sb_type[xd->tree_type == CHROMA_PART];
   FRAME_CONTEXT *fc = xd->tile_ctx;
-#if CONFIG_NEW_REF_SIGNALING
   const int seg_ref_active = 0;
-#else
-  const int seg_ref_active =
-      segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_REF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   if (current_frame->skip_mode_info.skip_mode_flag && !seg_ref_active &&
       is_comp_ref_allowed(bsize)) {
@@ -1244,7 +1239,6 @@
       }
 
       if (has_second_ref(mbmi)) {
-#if CONFIG_NEW_REF_SIGNALING
         const int n_refs = cm->ref_frames_info.num_total_refs;
         int n_bits = 0;
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -1279,83 +1273,11 @@
           if (i < cm->ref_frames_info.num_same_ref_compound) i -= bit;
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
         }
-#else
-        const COMP_REFERENCE_TYPE comp_ref_type = has_uni_comp_refs(mbmi)
-                                                      ? UNIDIR_COMP_REFERENCE
-                                                      : BIDIR_COMP_REFERENCE;
-        update_cdf(av1_get_comp_reference_type_cdf(xd), comp_ref_type,
-                   COMP_REFERENCE_TYPES);
-#if CONFIG_ENTROPY_STATS
-        counts->comp_ref_type[av1_get_comp_reference_type_context(xd)]
-                             [comp_ref_type]++;
-#endif  // CONFIG_ENTROPY_STATS
-
-        if (comp_ref_type == UNIDIR_COMP_REFERENCE) {
-          const int bit = (ref0 == BWDREF_FRAME);
-          update_cdf(av1_get_pred_cdf_uni_comp_ref_p(xd), bit, 2);
-#if CONFIG_ENTROPY_STATS
-          counts
-              ->uni_comp_ref[av1_get_pred_context_uni_comp_ref_p(xd)][0][bit]++;
-#endif  // CONFIG_ENTROPY_STATS
-          if (!bit) {
-            const int bit1 = (ref1 == LAST3_FRAME || ref1 == GOLDEN_FRAME);
-            update_cdf(av1_get_pred_cdf_uni_comp_ref_p1(xd), bit1, 2);
-#if CONFIG_ENTROPY_STATS
-            counts->uni_comp_ref[av1_get_pred_context_uni_comp_ref_p1(xd)][1]
-                                [bit1]++;
-#endif  // CONFIG_ENTROPY_STATS
-            if (bit1) {
-              update_cdf(av1_get_pred_cdf_uni_comp_ref_p2(xd),
-                         ref1 == GOLDEN_FRAME, 2);
-#if CONFIG_ENTROPY_STATS
-              counts->uni_comp_ref[av1_get_pred_context_uni_comp_ref_p2(xd)][2]
-                                  [ref1 == GOLDEN_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-            }
-          }
-        } else {
-          const int bit = (ref0 == GOLDEN_FRAME || ref0 == LAST3_FRAME);
-          update_cdf(av1_get_pred_cdf_comp_ref_p(xd), bit, 2);
-#if CONFIG_ENTROPY_STATS
-          counts->comp_ref[av1_get_pred_context_comp_ref_p(xd)][0][bit]++;
-#endif  // CONFIG_ENTROPY_STATS
-          if (!bit) {
-            update_cdf(av1_get_pred_cdf_comp_ref_p1(xd), ref0 == LAST2_FRAME,
-                       2);
-#if CONFIG_ENTROPY_STATS
-            counts->comp_ref[av1_get_pred_context_comp_ref_p1(xd)][1]
-                            [ref0 == LAST2_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          } else {
-            update_cdf(av1_get_pred_cdf_comp_ref_p2(xd), ref0 == GOLDEN_FRAME,
-                       2);
-#if CONFIG_ENTROPY_STATS
-            counts->comp_ref[av1_get_pred_context_comp_ref_p2(xd)][2]
-                            [ref0 == GOLDEN_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          }
-          update_cdf(av1_get_pred_cdf_comp_bwdref_p(xd), ref1 == ALTREF_FRAME,
-                     2);
-#if CONFIG_ENTROPY_STATS
-          counts->comp_bwdref[av1_get_pred_context_comp_bwdref_p(xd)][0]
-                             [ref1 == ALTREF_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          if (ref1 != ALTREF_FRAME) {
-            update_cdf(av1_get_pred_cdf_comp_bwdref_p1(xd),
-                       ref1 == ALTREF2_FRAME, 2);
-#if CONFIG_ENTROPY_STATS
-            counts->comp_bwdref[av1_get_pred_context_comp_bwdref_p1(xd)][1]
-                               [ref1 == ALTREF2_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          }
-        }
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_TIP
       } else if (!is_tip_ref_frame(ref0)) {
 #else
       } else {
 #endif  // CONFIG_TIP
-#if CONFIG_NEW_REF_SIGNALING
         const int n_refs = cm->ref_frames_info.num_total_refs;
         const MV_REFERENCE_FRAME ref0_nrs = mbmi->ref_frame[0];
         for (int i = 0; i < n_refs - 1; i++) {
@@ -1366,51 +1288,6 @@
 #endif  // CONFIG_ENTROPY_STATS
           if (bit) break;
         }
-#else
-        const int bit = (ref0 >= BWDREF_FRAME);
-        update_cdf(av1_get_pred_cdf_single_ref_p1(xd), bit, 2);
-#if CONFIG_ENTROPY_STATS
-        counts->single_ref[av1_get_pred_context_single_ref_p1(xd)][0][bit]++;
-#endif  // CONFIG_ENTROPY_STATS
-        if (bit) {
-          assert(ref0 <= ALTREF_FRAME);
-          update_cdf(av1_get_pred_cdf_single_ref_p2(xd), ref0 == ALTREF_FRAME,
-                     2);
-#if CONFIG_ENTROPY_STATS
-          counts->single_ref[av1_get_pred_context_single_ref_p2(xd)][1]
-                            [ref0 == ALTREF_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          if (ref0 != ALTREF_FRAME) {
-            update_cdf(av1_get_pred_cdf_single_ref_p6(xd),
-                       ref0 == ALTREF2_FRAME, 2);
-#if CONFIG_ENTROPY_STATS
-            counts->single_ref[av1_get_pred_context_single_ref_p6(xd)][5]
-                              [ref0 == ALTREF2_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          }
-        } else {
-          const int bit1 = !(ref0 == LAST2_FRAME || ref0 == LAST_FRAME);
-          update_cdf(av1_get_pred_cdf_single_ref_p3(xd), bit1, 2);
-#if CONFIG_ENTROPY_STATS
-          counts->single_ref[av1_get_pred_context_single_ref_p3(xd)][2][bit1]++;
-#endif  // CONFIG_ENTROPY_STATS
-          if (!bit1) {
-            update_cdf(av1_get_pred_cdf_single_ref_p4(xd), ref0 != LAST_FRAME,
-                       2);
-#if CONFIG_ENTROPY_STATS
-            counts->single_ref[av1_get_pred_context_single_ref_p4(xd)][3]
-                              [ref0 != LAST_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          } else {
-            update_cdf(av1_get_pred_cdf_single_ref_p5(xd), ref0 != LAST3_FRAME,
-                       2);
-#if CONFIG_ENTROPY_STATS
-            counts->single_ref[av1_get_pred_context_single_ref_p5(xd)][4]
-                              [ref0 != LAST3_FRAME]++;
-#endif  // CONFIG_ENTROPY_STATS
-          }
-        }
-#endif  // CONFIG_NEW_REF_SIGNALING
       }
 
 #if CONFIG_BAWP
@@ -1960,12 +1837,7 @@
       }
       set_ref_ptrs(cm, xd, mbmi->ref_frame[0], mbmi->ref_frame[1]);
     } else {
-#if CONFIG_NEW_REF_SIGNALING
       const int seg_ref_active = 0;
-#else
-      const int seg_ref_active =
-          segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_REF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
       if (!seg_ref_active) {
         // If the segment reference feature is enabled we have only a single
         // reference frame allowed for the segment so exclude it from
@@ -1995,12 +1867,7 @@
          cpi->sf.inter_sf.prune_warped_prob_thresh > 0)) {
 #endif  // CONFIG_EXTENDED_WARP_PREDICTION
       const int inter_block = is_inter_block(mbmi, xd->tree_type);
-#if CONFIG_NEW_REF_SIGNALING
       const int seg_ref_active = 0;
-#else
-      const int seg_ref_active =
-          segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_REF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
       if (!seg_ref_active && inter_block) {
 #if CONFIG_EXTENDED_WARP_PREDICTION
         const int allowed_motion_modes = motion_mode_allowed(
@@ -2043,13 +1910,8 @@
           &cpi->common.current_frame.skip_mode_info;
 
       MV_REFERENCE_FRAME rf[2];
-#if CONFIG_NEW_REF_SIGNALING
       rf[0] = skip_mode_info->ref_frame_idx_0;
       rf[1] = skip_mode_info->ref_frame_idx_1;
-#else
-      rf[0] = LAST_FRAME + skip_mode_info->ref_frame_idx_0;
-      rf[1] = LAST_FRAME + skip_mode_info->ref_frame_idx_1;
-#endif  // CONFIG_NEW_REF_SIGNALING
       MV_REFERENCE_FRAME ref_frame_type = av1_ref_frame_type(rf);
 
       av1_find_mv_refs(&cpi->common, xd, mbmi, ref_frame_type,
diff --git a/av1/encoder/partition_strategy.c b/av1/encoder/partition_strategy.c
index b5e10b7..812bc50 100644
--- a/av1/encoder/partition_strategy.c
+++ b/av1/encoder/partition_strategy.c
@@ -341,12 +341,8 @@
   for (int ref_idx = 0; ref_idx < num_refs; ref_idx++) {
     const int ref = refs[ref_idx];
 
-#if CONFIG_NEW_REF_SIGNALING
     if (ref == INVALID_IDX) continue;
     if (cm->ref_frame_flags & (1 << ref)) {
-#else
-    if (cm->ref_frame_flags & av1_ref_frame_flag_list[ref]) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       const FULLPEL_MV *start_mvs = sms_tree->start_mvs;
       unsigned int curr_sse = 0, curr_var = 0;
       int_mv best_mv =
@@ -402,23 +398,7 @@
   assert(mi_size_wide[bsize] == mi_size_high[bsize]);
   // Setting up motion search
   int ref_list[1];
-#if CONFIG_NEW_REF_SIGNALING
   ref_list[0] = get_closest_pastcur_ref_index(&cpi->common);
-#else
-  ref_list[0] = LAST_FRAME;
-  if (!(cpi->common.ref_frame_flags & av1_ref_frame_flag_list[LAST_FRAME]) &&
-      !(cpi->common.ref_frame_flags & av1_ref_frame_flag_list[ALTREF_FRAME])) {
-    for (int i = LAST_FRAME; i <= ALTREF_FRAME; i++) {
-      if (cpi->common.ref_frame_flags & av1_ref_frame_flag_list[i]) {
-        ref_list[0] = i;
-        break;
-      }
-    }
-  } else {
-    // Setting up motion search
-    ref_list[0] = cpi->rc.is_src_frame_alt_ref ? ALTREF_FRAME : LAST_FRAME;
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const int num_refs = 1;
   const int use_subpixel = 1;
@@ -1750,12 +1730,7 @@
                              MACROBLOCK *x, SimpleMotionData *sms_data,
                              int mi_row, int mi_col, BLOCK_SIZE bsize) {
   const AV1_COMMON *const cm = &cpi->common;
-#if CONFIG_NEW_REF_SIGNALING
   const int ref_frame = get_closest_pastcur_ref_index(cm);
-#else
-  const int ref_frame =
-      cpi->rc.is_src_frame_alt_ref ? ALTREF_FRAME : LAST_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
   assert(ref_frame >= 0);
   if (mi_col >= cm->mi_params.mi_cols || mi_row >= cm->mi_params.mi_rows) {
     // If the whole block is outside of the image, set the var and sse to 0.
@@ -1776,11 +1751,7 @@
   setup_block_rdmult(cpi, x, mi_row, mi_col, bsize, aq_mode, mbmi);
   // Set error per bit for current rdmult
   av1_set_error_per_bit(&x->mv_costs, x->rdmult);
-#if CONFIG_NEW_REF_SIGNALING
   if (cm->ref_frame_flags & (1 << ref_frame)) {
-#else
-  if (cm->ref_frame_flags & av1_ref_frame_flag_list[ref_frame]) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const MACROBLOCKD *xd = &x->e_mbd;
     const uint16_t *src_buf = x->plane[0].src.buf;
     const uint16_t *dst_buf = xd->plane[0].dst.buf;
diff --git a/av1/encoder/ratectrl.c b/av1/encoder/ratectrl.c
index fd04d39..72ce6dd 100644
--- a/av1/encoder/ratectrl.c
+++ b/av1/encoder/ratectrl.c
@@ -405,12 +405,8 @@
 static int adjust_q_cbr(const AV1_COMP *cpi, int q, int active_worst_quality) {
   const RATE_CONTROL *const rc = &cpi->rc;
   const AV1_COMMON *const cm = &cpi->common;
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const int max_delta = 16;
   const int change_avg_frame_bandwidth =
       abs(rc->avg_frame_bandwidth - rc->prev_avg_frame_bandwidth) >
@@ -424,13 +420,7 @@
   // Apply some control/clamp to QP under certain conditions.
   if (cm->current_frame.frame_type != KEY_FRAME && rc->frames_since_key > 1 &&
       !change_target_bits_mb &&
-      (!cpi->oxcf.rc_cfg.gf_cbr_boost_pct ||
-#if CONFIG_NEW_REF_SIGNALING
-       (level > 1))) {
-#else
-       !(refresh_frame_flags->alt_ref_frame ||
-         refresh_frame_flags->golden_frame))) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+      (!cpi->oxcf.rc_cfg.gf_cbr_boost_pct || (level > 1))) {
     // Make sure q is between oscillating Qs to prevent resonance.
     if (rc->rc_1_frame * rc->rc_2_frame == -1 &&
         rc->q_1_frame != rc->q_2_frame) {
@@ -482,12 +472,8 @@
 static double get_rate_correction_factor(const AV1_COMP *cpi, int width,
                                          int height) {
   const RATE_CONTROL *const rc = &cpi->rc;
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   double rcf;
 
   if (cpi->common.current_frame.frame_type == KEY_FRAME) {
@@ -496,16 +482,8 @@
     const RATE_FACTOR_LEVEL rf_lvl = get_rate_factor_level(&cpi->gf_group);
     rcf = rc->rate_correction_factors[rf_lvl];
   } else {
-    if (
-#if CONFIG_NEW_REF_SIGNALING
-        level <= 1 &&
-#else
-        (refresh_frame_flags->alt_ref_frame ||
-         refresh_frame_flags->golden_frame) &&
-        !rc->is_src_frame_alt_ref &&
-#endif  // CONFIG_NEW_REF_SIGNALING
-        (cpi->oxcf.rc_cfg.mode != AOM_CBR ||
-         cpi->oxcf.rc_cfg.gf_cbr_boost_pct > 20))
+    if (level <= 1 && (cpi->oxcf.rc_cfg.mode != AOM_CBR ||
+                       cpi->oxcf.rc_cfg.gf_cbr_boost_pct > 20))
       rcf = rc->rate_correction_factors[GF_ARF_STD];
     else
       rcf = rc->rate_correction_factors[INTER_NORMAL];
@@ -532,12 +510,8 @@
 static void set_rate_correction_factor(AV1_COMP *cpi, double factor, int width,
                                        int height) {
   RATE_CONTROL *const rc = &cpi->rc;
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // Normalize RCF to account for the size-dependent scaling factor.
   factor /= resize_rate_factor(&cpi->oxcf.frm_dim_cfg, width, height);
@@ -550,16 +524,8 @@
     const RATE_FACTOR_LEVEL rf_lvl = get_rate_factor_level(&cpi->gf_group);
     rc->rate_correction_factors[rf_lvl] = factor;
   } else {
-    if (
-#if CONFIG_NEW_REF_SIGNALING
-        level <= 1 &&
-#else
-        (refresh_frame_flags->alt_ref_frame ||
-         refresh_frame_flags->golden_frame) &&
-        !rc->is_src_frame_alt_ref &&
-#endif  // CONFIG_NEW_REF_SIGNALING
-        (cpi->oxcf.rc_cfg.mode != AOM_CBR ||
-         cpi->oxcf.rc_cfg.gf_cbr_boost_pct > 20))
+    if (level <= 1 && (cpi->oxcf.rc_cfg.mode != AOM_CBR ||
+                       cpi->oxcf.rc_cfg.gf_cbr_boost_pct > 20))
       rc->rate_correction_factors[GF_ARF_STD] = factor;
     else
       rc->rate_correction_factors[INTER_NORMAL] = factor;
@@ -797,12 +763,8 @@
 
 static int calc_active_worst_quality_no_stats_vbr(const AV1_COMP *cpi) {
   const RATE_CONTROL *const rc = &cpi->rc;
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const unsigned int curr_frame = cpi->common.current_frame.frame_number;
   int active_worst_quality;
 
@@ -810,13 +772,7 @@
     active_worst_quality =
         curr_frame == 0 ? rc->worst_quality : rc->last_q[KEY_FRAME] * 2;
   } else {
-#if CONFIG_NEW_REF_SIGNALING
     if (!rc->is_src_frame_alt_ref && level <= 1) {
-#else
-    if (!rc->is_src_frame_alt_ref && (refresh_frame_flags->golden_frame ||
-                                      refresh_frame_flags->bwd_ref_frame ||
-                                      refresh_frame_flags->alt_ref_frame)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       active_worst_quality = curr_frame == 1 ? rc->last_q[KEY_FRAME] * 5 / 4
                                              : rc->last_q[INTER_FRAME];
     } else {
@@ -889,12 +845,8 @@
                                                  int width, int height) {
   const AV1_COMMON *const cm = &cpi->common;
   const RATE_CONTROL *const rc = &cpi->rc;
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const CurrentFrame *const current_frame = &cm->current_frame;
   int *rtc_minq;
   const int bit_depth = cm->seq_params.bit_depth;
@@ -928,12 +880,7 @@
           av1_compute_qdelta(rc, q_val, q_val * q_adj_factor, bit_depth);
     }
   } else if (!rc->is_src_frame_alt_ref && cpi->oxcf.rc_cfg.gf_cbr_boost_pct &&
-#if CONFIG_NEW_REF_SIGNALING
              level <= 1) {
-#else
-             (refresh_frame_flags->golden_frame ||
-              refresh_frame_flags->alt_ref_frame)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     // Use the lower of active_worst_quality and recent
     // average Q as basis for GF/ARF best Q limit unless last frame was
     // a key frame.
@@ -1152,11 +1099,7 @@
   const CurrentFrame *const current_frame = &cm->current_frame;
   const AV1EncoderConfig *const oxcf = &cpi->oxcf;
   const GF_GROUP *const gf_group = &cpi->gf_group;
-#if CONFIG_NEW_REF_SIGNALING
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const enum aom_rc_mode rc_mode = oxcf->rc_cfg.mode;
 
   assert(has_no_stats_stage(cpi));
@@ -1215,13 +1158,7 @@
             av1_compute_qdelta(rc, q_val, q_val * q_adj_factor, bit_depth);
       }
     }
-  } else if (!rc->is_src_frame_alt_ref &&
-#if CONFIG_NEW_REF_SIGNALING
-             level <= 1) {
-#else
-             (refresh_frame_flags->golden_frame ||
-              refresh_frame_flags->alt_ref_frame)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+  } else if (!rc->is_src_frame_alt_ref && level <= 1) {
     // Use the lower of active_worst_quality and recent
     // average Q as basis for GF/ARF best Q limit unless last frame was
     // a key frame.
@@ -1240,13 +1177,8 @@
       const int qindex = qp;
       const double q_val = av1_convert_qindex_to_q(qindex, bit_depth);
       const int delta_qindex =
-#if CONFIG_NEW_REF_SIGNALING
-          (level <= 1)
-#else
-          (refresh_frame_flags->alt_ref_frame)
-#endif  // CONFIG_NEW_REF_SIGNALING
-              ? av1_compute_qdelta(rc, q_val, q_val * 0.40, bit_depth)
-              : av1_compute_qdelta(rc, q_val, q_val * 0.50, bit_depth);
+          (level <= 1) ? av1_compute_qdelta(rc, q_val, q_val * 0.40, bit_depth)
+                       : av1_compute_qdelta(rc, q_val, q_val * 0.50, bit_depth);
       active_best_quality = AOMMAX(qindex + delta_qindex, rc->best_quality);
     } else {
       active_best_quality = get_gf_active_quality(
@@ -1283,13 +1215,7 @@
       qdelta = av1_compute_qdelta_by_rate(
           &cpi->rc, current_frame->frame_type, active_worst_quality, 2.0,
           cpi->is_screen_content_type, bit_depth);
-    } else if (!rc->is_src_frame_alt_ref &&
-#if CONFIG_NEW_REF_SIGNALING
-               (level <= 1)) {
-#else
-               (refresh_frame_flags->golden_frame ||
-                refresh_frame_flags->alt_ref_frame)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+    } else if (!rc->is_src_frame_alt_ref && (level <= 1)) {
       qdelta = av1_compute_qdelta_by_rate(
           &cpi->rc, current_frame->frame_type, active_worst_quality, 1.75,
           cpi->is_screen_content_type, bit_depth);
@@ -1451,26 +1377,16 @@
                                                  int *active_best) {
   const AV1_COMMON *const cm = &cpi->common;
   const RATE_CONTROL *const rc = &cpi->rc;
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const int bit_depth = cpi->common.seq_params.bit_depth;
   int active_best_quality = *active_best;
   int active_worst_quality = *active_worst;
   // Extension to max or min Q if undershoot or overshoot is outside
   // the permitted range.
   if (cpi->oxcf.rc_cfg.mode != AOM_Q) {
-    if (frame_is_intra_only(cm) || (!rc->is_src_frame_alt_ref &&
-#if CONFIG_NEW_REF_SIGNALING
-                                    (level <= 1 || is_intrl_arf_boost))) {
-#else
-                                    (refresh_frame_flags->golden_frame ||
-                                     is_intrl_arf_boost ||
-                                     refresh_frame_flags->alt_ref_frame))) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+    if (frame_is_intra_only(cm) ||
+        (!rc->is_src_frame_alt_ref && (level <= 1 || is_intrl_arf_boost))) {
       active_best_quality -=
           (cpi->twopass.extend_minq + cpi->twopass.extend_minq_fast);
       active_worst_quality += (cpi->twopass.extend_maxq / 2);
@@ -1664,11 +1580,7 @@
   const RATE_CONTROL *const rc = &cpi->rc;
   const AV1EncoderConfig *const oxcf = &cpi->oxcf;
   const GF_GROUP *gf_group = &cpi->gf_group;
-#if CONFIG_NEW_REF_SIGNALING
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   assert(IMPLIES(has_no_stats_stage(cpi),
                  cpi->oxcf.rc_cfg.mode == AOM_Q &&
                      gf_group->update_type[gf_index] != ARF_UPDATE &&
@@ -1721,13 +1633,7 @@
     // sections we dont clamp the Q at the same value for arf frames and
     // leaf (non arf) frames. This is important to the TPL model which assumes
     // Q drops with each arf level.
-    if (!(rc->is_src_frame_alt_ref) &&
-#if CONFIG_NEW_REF_SIGNALING
-        (level <= 1 || is_intrl_arf_boost)) {
-#else
-        (refresh_frame_flags->golden_frame ||
-         refresh_frame_flags->alt_ref_frame || is_intrl_arf_boost)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+    if (!(rc->is_src_frame_alt_ref) && (level <= 1 || is_intrl_arf_boost)) {
       active_worst_quality =
           (active_best_quality + (3 * active_worst_quality) + 2) / 4;
     }
@@ -1833,15 +1739,10 @@
 static void update_golden_frame_stats(AV1_COMP *cpi) {
   RATE_CONTROL *const rc = &cpi->rc;
 
-#if CONFIG_NEW_REF_SIGNALING
   const GF_GROUP *const gf_group = &cpi->gf_group;
   // Update the Golden frame usage counts.
   if (gf_group->update_type[gf_group->index] == GF_UPDATE ||
       rc->is_src_frame_alt_ref) {
-#else
-  // Update the Golden frame usage counts.
-  if (cpi->refresh_frame.golden_frame || rc->is_src_frame_alt_ref) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     rc->frames_since_golden = 0;
   } else if (cpi->common.show_frame) {
     rc->frames_since_golden++;
@@ -1853,11 +1754,7 @@
   const CurrentFrame *const current_frame = &cm->current_frame;
   RATE_CONTROL *const rc = &cpi->rc;
   const GF_GROUP *const gf_group = &cpi->gf_group;
-#if CONFIG_NEW_REF_SIGNALING
   const int level = gf_group->layer_depth[gf_group->index];
-#else
-  const RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const int is_intrnl_arf =
       gf_group->update_type[gf_group->index] == INTNL_ARF_UPDATE;
@@ -1876,13 +1773,7 @@
     rc->avg_frame_qindex[KEY_FRAME] =
         ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[KEY_FRAME] + qindex, 2);
   } else {
-    if ((!rc->is_src_frame_alt_ref &&
-#if CONFIG_NEW_REF_SIGNALING
-         !(level <= 1 || is_intrnl_arf))) {
-#else
-         !(refresh_frame_flags->golden_frame || is_intrnl_arf ||
-           refresh_frame_flags->alt_ref_frame))) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+    if ((!rc->is_src_frame_alt_ref && !(level <= 1 || is_intrnl_arf))) {
       rc->last_q[INTER_FRAME] = qindex;
       rc->avg_frame_qindex[INTER_FRAME] =
           ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[INTER_FRAME] + qindex, 2);
@@ -1903,13 +1794,7 @@
   // This is used to help set quality in forced key frames to reduce popping
   if ((qindex < rc->last_boosted_qindex) ||
       (current_frame->frame_type == KEY_FRAME) ||
-      (!rc->constrained_gf_group &&
-#if CONFIG_NEW_REF_SIGNALING
-       (level <= 1 || is_intrnl_arf))) {
-#else
-       (refresh_frame_flags->alt_ref_frame || is_intrnl_arf ||
-        (refresh_frame_flags->golden_frame && !rc->is_src_frame_alt_ref)))) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+      (!rc->constrained_gf_group && (level <= 1 || is_intrnl_arf))) {
     rc->last_boosted_qindex = qindex;
   }
   if (current_frame->frame_type == KEY_FRAME) rc->last_kf_qindex = qindex;
@@ -1942,11 +1827,7 @@
 
   if (is_altref_enabled(cpi->oxcf.gf_cfg.lag_in_frames,
                         cpi->oxcf.gf_cfg.enable_auto_arf) &&
-#if CONFIG_NEW_REF_SIGNALING
       gf_group->update_type[gf_group->index] == ARF_UPDATE &&
-#else
-      refresh_frame_flags->alt_ref_frame &&
-#endif  // CONFIG_NEW_REF_SIGNALING
       (current_frame->frame_type != KEY_FRAME && !frame_is_sframe(cm)))
     // Update the alternate reference frame stats as appropriate.
     update_alt_ref_frame_stats(cpi);
diff --git a/av1/encoder/rd.c b/av1/encoder/rd.c
index 54a2a1a..8e06d2b 100644
--- a/av1/encoder/rd.c
+++ b/av1/encoder/rd.c
@@ -398,7 +398,6 @@
     }
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
     for (i = 0; i < REF_CONTEXTS; ++i) {
       for (j = 0; j < INTER_REFS_PER_FRAME - 1; ++j) {
         av1_cost_tokens_from_cdf(mode_costs->single_ref_cost[i][j],
@@ -428,40 +427,6 @@
         }
       }
     }
-#else
-    for (i = 0; i < REF_CONTEXTS; ++i) {
-      for (j = 0; j < SINGLE_REFS - 1; ++j) {
-        av1_cost_tokens_from_cdf(mode_costs->single_ref_cost[i][j],
-                                 fc->single_ref_cdf[i][j], NULL);
-      }
-    }
-
-    for (i = 0; i < COMP_REF_TYPE_CONTEXTS; ++i) {
-      av1_cost_tokens_from_cdf(mode_costs->comp_ref_type_cost[i],
-                               fc->comp_ref_type_cdf[i], NULL);
-    }
-
-    for (i = 0; i < UNI_COMP_REF_CONTEXTS; ++i) {
-      for (j = 0; j < UNIDIR_COMP_REFS - 1; ++j) {
-        av1_cost_tokens_from_cdf(mode_costs->uni_comp_ref_cost[i][j],
-                                 fc->uni_comp_ref_cdf[i][j], NULL);
-      }
-    }
-
-    for (i = 0; i < REF_CONTEXTS; ++i) {
-      for (j = 0; j < FWD_REFS - 1; ++j) {
-        av1_cost_tokens_from_cdf(mode_costs->comp_ref_cost[i][j],
-                                 fc->comp_ref_cdf[i][j], NULL);
-      }
-    }
-
-    for (i = 0; i < REF_CONTEXTS; ++i) {
-      for (j = 0; j < BWD_REFS - 1; ++j) {
-        av1_cost_tokens_from_cdf(mode_costs->comp_bwdref_cost[i][j],
-                                 fc->comp_bwdref_cdf[i][j], NULL);
-      }
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_CONTEXT_DERIVATION
     for (j = 0; j < INTRA_INTER_SKIP_TXFM_CONTEXTS; ++j) {
@@ -849,11 +814,7 @@
       const int t = q * rd_thresh_block_size_factor[bsize];
       const int thresh_max = INT_MAX / t;
 
-#if CONFIG_NEW_REF_SIGNALING
       for (i = 0; i < MB_MODE_COUNT; ++i)
-#else
-      for (i = 0; i < MAX_MODES; ++i)
-#endif  // CONFIG_NEW_REF_SIGNALING
         rd->threshes[segment_id][bsize][i] = rd->thresh_mult[i] < thresh_max
                                                  ? rd->thresh_mult[i] * t / 4
                                                  : INT_MAX;
@@ -1673,14 +1634,9 @@
   }
 
   // Note the index of the mv that worked best in the reference list.
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const int ref_frame_idx = COMPACT_INDEX0_NRS(ref_frame);
   x->max_mv_context[ref_frame_idx] = max_mv;
   x->pred_mv_sad[ref_frame_idx] = best_sad;
-#else
-  x->max_mv_context[ref_frame] = max_mv;
-  x->pred_mv_sad[ref_frame] = best_sad;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 }
 
 void av1_setup_pred_block(const MACROBLOCKD *xd,
@@ -1714,13 +1670,8 @@
   }
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
   assert(ref_frame < cpi->common.ref_frames_info.num_total_refs);
   RefCntBuffer *const scaled_buf = cpi->scaled_ref_buf[ref_frame];
-#else
-  assert(ref_frame >= LAST_FRAME && ref_frame <= ALTREF_FRAME);
-  RefCntBuffer *const scaled_buf = cpi->scaled_ref_buf[ref_frame - 1];
-#endif  // CONFIG_NEW_REF_SIGNALING
   const RefCntBuffer *const ref_buf =
       get_ref_frame_buf(&cpi->common, ref_frame);
   return (scaled_buf != ref_buf && scaled_buf != NULL) ? &scaled_buf->buf
@@ -1749,7 +1700,6 @@
   // Set baseline threshold values.
   av1_zero(rd->thresh_mult);
 
-#if CONFIG_NEW_REF_SIGNALING
   rd->thresh_mult[NEWMV] = 1000;
   rd->thresh_mult[NEARMV] = 1000;
   rd->thresh_mult[GLOBALMV] = 2200;
@@ -1771,263 +1721,13 @@
   rd->thresh_mult[D67_PRED] = 2000;
   rd->thresh_mult[D113_PRED] = 2500;
   rd->thresh_mult[D45_PRED] = 2500;
-#else
-#if CONFIG_TIP
-  rd->thresh_mult[THR_NEW_TIP] = 0;
-  rd->thresh_mult[THR_NEAR_TIP] = 0;
-#if IMPROVED_AMVD
-  rd->thresh_mult[THR_AMVDNEW_TIP] = 0;
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_TIP
-
-  rd->thresh_mult[THR_NEARMV] = 0;
-  rd->thresh_mult[THR_NEARL2] = 0;
-  rd->thresh_mult[THR_NEARL3] = 100;
-  rd->thresh_mult[THR_NEARB] = 0;
-  rd->thresh_mult[THR_NEARA2] = 0;
-  rd->thresh_mult[THR_NEARA] = 0;
-  rd->thresh_mult[THR_NEARG] = 0;
-
-  rd->thresh_mult[THR_NEARMV] = 1000;
-  rd->thresh_mult[THR_NEARL2] = 1000;
-  rd->thresh_mult[THR_NEARL3] = 1000;
-  rd->thresh_mult[THR_NEARB] = 1000;
-  rd->thresh_mult[THR_NEARA2] = 1000;
-  rd->thresh_mult[THR_NEARA] = 1000;
-  rd->thresh_mult[THR_NEARG] = 1000;
-
-  rd->thresh_mult[THR_GLOBALMV] = 2200;
-  rd->thresh_mult[THR_GLOBALL2] = 2000;
-  rd->thresh_mult[THR_GLOBALL3] = 2000;
-  rd->thresh_mult[THR_GLOBALB] = 2400;
-  rd->thresh_mult[THR_GLOBALA2] = 2000;
-  rd->thresh_mult[THR_GLOBALG] = 2000;
-  rd->thresh_mult[THR_GLOBALA] = 2400;
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARLA] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWLA] = 1530;
-  rd->thresh_mult[THR_COMP_NEW_NEARLA] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEWLA] = 2400;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALLA] = 2750;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWLA] = 1530;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWLA] = 1530;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWLA] = 1530;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWLA] = 1530;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARL2A] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWL2A] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEARL2A] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWL2A] = 1800;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALL2A] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWL2A] = 1870;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWL2A] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWL2A] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWL2A] = 1870;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARL3A] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWL3A] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARL3A] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWL3A] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALL3A] = 3000;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWL3A] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWL3A] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWL3A] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWL3A] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARGA] = 1320;
-  rd->thresh_mult[THR_COMP_NEAR_NEWGA] = 2040;
-  rd->thresh_mult[THR_COMP_NEW_NEARGA] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWGA] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALGA] = 2250;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWGA] = 2040;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWGA] = 2040;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWGA] = 2040;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWGA] = 2040;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARLB] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWLB] = 1360;
-  rd->thresh_mult[THR_COMP_NEW_NEARLB] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWLB] = 2400;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALLB] = 2250;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWLB] = 1360;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWLB] = 1360;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWLB] = 1360;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWLB] = 1360;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARL2B] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWL2B] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARL2B] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWL2B] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALL2B] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWL2B] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWL2B] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWL2B] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWL2B] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARL3B] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWL3B] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEARL3B] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWL3B] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALL3B] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWL3B] = 1870;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWL3B] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWL3B] = 1870;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWL3B] = 1870;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARGB] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWGB] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARGB] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWGB] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALGB] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWGB] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWGB] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWGB] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWGB] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARLA2] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWLA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARLA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWLA2] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALLA2] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWLA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWLA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWLA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWLA2] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARL2A2] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWL2A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARL2A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWL2A2] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALL2A2] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWL2A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWL2A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWL2A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWL2A2] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARL3A2] = 1440;
-  rd->thresh_mult[THR_COMP_NEAR_NEWL3A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARL3A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWL3A2] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALL3A2] = 2500;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWL3A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWL3A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWL3A2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWL3A2] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARGA2] = 1200;
-  rd->thresh_mult[THR_COMP_NEAR_NEWGA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEARGA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEWGA2] = 2000;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALGA2] = 2750;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWGA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWGA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWGA2] = 1700;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWGA2] = 1700;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARLL2] = 1600;
-  rd->thresh_mult[THR_COMP_NEAR_NEWLL2] = 2640;
-  rd->thresh_mult[THR_COMP_NEW_NEARLL2] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEWLL2] = 2400;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALLL2] = 3200;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWLL2] = 2640;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWLL2] = 2640;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWLL2] = 2640;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWLL2] = 2640;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARLL3] = 1600;
-  rd->thresh_mult[THR_COMP_NEAR_NEWLL3] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEARLL3] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEWLL3] = 2400;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALLL3] = 3200;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWLL3] = 2200;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWLL3] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWLL3] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWLL3] = 2200;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARLG] = 1760;
-  rd->thresh_mult[THR_COMP_NEAR_NEWLG] = 1760;
-  rd->thresh_mult[THR_COMP_NEW_NEARLG] = 2640;
-  rd->thresh_mult[THR_COMP_NEW_NEWLG] = 2400;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALLG] = 3200;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWLG] = 1760;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWLG] = 1760;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWLG] = 1760;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWLG] = 1760;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_COMP_NEAR_NEARBA] = 1600;
-  rd->thresh_mult[THR_COMP_NEAR_NEWBA] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEARBA] = 1980;
-  rd->thresh_mult[THR_COMP_NEW_NEWBA] = 2640;
-  rd->thresh_mult[THR_COMP_GLOBAL_GLOBALBA] = 3200;
-#if CONFIG_OPTFLOW_REFINEMENT
-  rd->thresh_mult[THR_COMP_NEAR_NEAR_OPTFLOWBA] = 2200;
-  rd->thresh_mult[THR_COMP_NEAR_NEW_OPTFLOWBA] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEAR_OPTFLOWBA] = 2200;
-  rd->thresh_mult[THR_COMP_NEW_NEW_OPTFLOWBA] = 2200;
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  rd->thresh_mult[THR_DC] = 1000;
-  rd->thresh_mult[THR_PAETH] = 1000;
-  rd->thresh_mult[THR_SMOOTH] = 2200;
-  rd->thresh_mult[THR_SMOOTH_V] = 2000;
-  rd->thresh_mult[THR_SMOOTH_H] = 2000;
-  rd->thresh_mult[THR_H_PRED] = 2000;
-  rd->thresh_mult[THR_V_PRED] = 1800;
-  rd->thresh_mult[THR_D135_PRED] = 2500;
-  rd->thresh_mult[THR_D203_PRED] = 2000;
-  rd->thresh_mult[THR_D157_PRED] = 2500;
-  rd->thresh_mult[THR_D67_PRED] = 2000;
-  rd->thresh_mult[THR_D113_PRED] = 2500;
-  rd->thresh_mult[THR_D45_PRED] = 2500;
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 void av1_update_rd_thresh_fact(const AV1_COMMON *const cm,
-#if CONFIG_NEW_REF_SIGNALING
                                int (*factor_buf)[MB_MODE_COUNT],
-#else
-                               int (*factor_buf)[MAX_MODES],
-#endif  // CONFIG_NEW_REF_SIGNALING
                                int use_adaptive_rd_thresh, BLOCK_SIZE bsize,
-#if !CONFIG_NEW_REF_SIGNALING
-                               MV_REFERENCE_FRAME *ref_frames,
-#endif  // !CONFIG_NEW_REF_SIGNALING
                                PREDICTION_MODE best_mode) {
   assert(use_adaptive_rd_thresh > 0);
-#if !CONFIG_NEW_REF_SIGNALING
-  const int best_mode_index =
-      get_prediction_mode_idx(best_mode, ref_frames[0], ref_frames[1]);
-#endif  // !CONFIG_NEW_REF_SIGNALING
   const int max_rd_thresh_factor = use_adaptive_rd_thresh * RD_THRESH_MAX_FACT;
 
   const int bsize_is_1_to_4 = bsize > cm->seq_params.sb_size;
@@ -2042,18 +1742,10 @@
     max_size = AOMMIN(bsize + 2, (int)cm->seq_params.sb_size);
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   for (PREDICTION_MODE mode = 0; mode < MB_MODE_COUNT; ++mode) {
-#else
-  for (THR_MODES mode = 0; mode < MAX_MODES; ++mode) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     for (BLOCK_SIZE bs = min_size; bs <= max_size; ++bs) {
       int *const fact = &factor_buf[bs][mode];
-#if CONFIG_NEW_REF_SIGNALING
       if (mode == best_mode) {
-#else
-      if (mode == best_mode_index) {
-#endif  // CONFIG_NEW_REF_SIGNALING
         *fact -= (*fact >> RD_THRESH_LOG_DEC_FACTOR);
       } else {
         *fact = AOMMIN(*fact + RD_THRESH_INC, max_rd_thresh_factor);
diff --git a/av1/encoder/rd.h b/av1/encoder/rd.h
index 23b55e2..3620853 100644
--- a/av1/encoder/rd.h
+++ b/av1/encoder/rd.h
@@ -73,13 +73,8 @@
   // means that we will accept the best mode so far more often. This number
   // is used in combination with the current block size, and thresh_freq_fact
   // to pick a threshold.
-#if CONFIG_NEW_REF_SIGNALING
   int thresh_mult[MB_MODE_COUNT];
   int threshes[MAX_SEGMENTS][BLOCK_SIZES_ALL][MB_MODE_COUNT];
-#else
-  int thresh_mult[MAX_MODES];
-  int threshes[MAX_SEGMENTS][BLOCK_SIZES_ALL][MAX_MODES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   int RDMULT;
 
@@ -271,24 +266,12 @@
 void av1_set_rd_speed_thresholds(struct AV1_COMP *cpi);
 
 void av1_update_rd_thresh_fact(const AV1_COMMON *const cm,
-#if CONFIG_NEW_REF_SIGNALING
-                               int (*fact)[MB_MODE_COUNT],
-#else
-                               int (*fact)[MAX_MODES],
-#endif  // CONFIG_NEW_REF_SIGNALING
-                               int rd_thresh, BLOCK_SIZE bsize,
-#if !CONFIG_NEW_REF_SIGNALING
-                               MV_REFERENCE_FRAME *ref_frames,
-#endif  // !CONFIG_NEW_REF_SIGNALING
-                               PREDICTION_MODE best_mode);
+                               int (*fact)[MB_MODE_COUNT], int rd_thresh,
+                               BLOCK_SIZE bsize, PREDICTION_MODE best_mode);
 
 static INLINE void reset_thresh_freq_fact(MACROBLOCK *const x) {
   for (int i = 0; i < BLOCK_SIZES_ALL; ++i) {
-#if CONFIG_NEW_REF_SIGNALING
     for (int j = 0; j < MB_MODE_COUNT; ++j) {
-#else
-    for (int j = 0; j < MAX_MODES; ++j) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       x->thresh_freq_fact[i][j] = RD_THRESH_FAC_FRAC_VAL;
     }
   }
diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 0448ffe..6164a60 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -109,452 +109,6 @@
   4144,  4120,  4096
 };
 
-#if !CONFIG_NEW_REF_SIGNALING
-static const THR_MODES av1_default_mode_order[MAX_MODES] = {
-  THR_NEARMV,
-  THR_NEARL2,
-  THR_NEARL3,
-  THR_NEARB,
-  THR_NEARA2,
-  THR_NEARA,
-  THR_NEARG,
-
-  THR_NEWMV,
-  THR_NEWL2,
-  THR_NEWL3,
-  THR_NEWB,
-  THR_NEWA2,
-  THR_NEWA,
-  THR_NEWG,
-
-  THR_GLOBALMV,
-  THR_GLOBALL2,
-  THR_GLOBALL3,
-  THR_GLOBALB,
-  THR_GLOBALA2,
-  THR_GLOBALG,
-  THR_GLOBALA,
-
-#if IMPROVED_AMVD
-  THR_AMVDNEWMV,
-  THR_AMVDNEWL2,
-  THR_AMVDNEWL3,
-  THR_AMVDNEWB,
-  THR_AMVDNEWA2,
-  THR_AMVDNEWG,
-  THR_AMVDNEWA,
-#endif  // IMPROVED_AMVD
-
-  THR_COMP_NEAR_NEARLA,
-  THR_COMP_NEAR_NEARL2A,
-  THR_COMP_NEAR_NEARL3A,
-  THR_COMP_NEAR_NEARGA,
-  THR_COMP_NEAR_NEARLB,
-  THR_COMP_NEAR_NEARL2B,
-  THR_COMP_NEAR_NEARL3B,
-  THR_COMP_NEAR_NEARGB,
-  THR_COMP_NEAR_NEARLA2,
-  THR_COMP_NEAR_NEARL2A2,
-  THR_COMP_NEAR_NEARL3A2,
-  THR_COMP_NEAR_NEARGA2,
-
-  THR_COMP_NEAR_NEARLL2,
-  THR_COMP_NEAR_NEARLL3,
-  THR_COMP_NEAR_NEARLG,
-  THR_COMP_NEAR_NEARBA,
-
-  THR_COMP_NEW_NEARLA,
-  THR_COMP_NEAR_NEWLA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLA,
-  THR_COMP_GLOBAL_GLOBALLA,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLA,
-  THR_COMP_NEAR_NEW_OPTFLOWLA,
-  THR_COMP_NEW_NEAR_OPTFLOWLA,
-  THR_COMP_NEW_NEW_OPTFLOWLA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL2A,
-  THR_COMP_NEAR_NEWL2A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL2A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL2A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL2A,
-  THR_COMP_GLOBAL_GLOBALL2A,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL2A,
-  THR_COMP_NEAR_NEW_OPTFLOWL2A,
-  THR_COMP_NEW_NEAR_OPTFLOWL2A,
-  THR_COMP_NEW_NEW_OPTFLOWL2A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL2A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL3A,
-  THR_COMP_NEAR_NEWL3A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL3A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL3A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL3A,
-  THR_COMP_GLOBAL_GLOBALL3A,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL3A,
-  THR_COMP_NEAR_NEW_OPTFLOWL3A,
-  THR_COMP_NEW_NEAR_OPTFLOWL3A,
-  THR_COMP_NEW_NEW_OPTFLOWL3A,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL3A,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3A,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARGA,
-  THR_COMP_NEAR_NEWGA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWGA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWGA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWGA,
-  THR_COMP_GLOBAL_GLOBALGA,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWGA,
-  THR_COMP_NEAR_NEW_OPTFLOWGA,
-  THR_COMP_NEW_NEAR_OPTFLOWGA,
-  THR_COMP_NEW_NEW_OPTFLOWGA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWGA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWGA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLB,
-  THR_COMP_NEAR_NEWLB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLB,
-  THR_COMP_GLOBAL_GLOBALLB,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLB,
-  THR_COMP_NEAR_NEW_OPTFLOWLB,
-  THR_COMP_NEW_NEAR_OPTFLOWLB,
-  THR_COMP_NEW_NEW_OPTFLOWLB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL2B,
-  THR_COMP_NEAR_NEWL2B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL2B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL2B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL2B,
-  THR_COMP_GLOBAL_GLOBALL2B,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL2B,
-  THR_COMP_NEAR_NEW_OPTFLOWL2B,
-  THR_COMP_NEW_NEAR_OPTFLOWL2B,
-  THR_COMP_NEW_NEW_OPTFLOWL2B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL2B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL3B,
-  THR_COMP_NEAR_NEWL3B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL3B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL3B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL3B,
-  THR_COMP_GLOBAL_GLOBALL3B,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL3B,
-  THR_COMP_NEAR_NEW_OPTFLOWL3B,
-  THR_COMP_NEW_NEAR_OPTFLOWL3B,
-  THR_COMP_NEW_NEW_OPTFLOWL3B,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL3B,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3B,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARGB,
-  THR_COMP_NEAR_NEWGB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWGB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWGB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWGB,
-  THR_COMP_GLOBAL_GLOBALGB,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWGB,
-  THR_COMP_NEAR_NEW_OPTFLOWGB,
-  THR_COMP_NEW_NEAR_OPTFLOWGB,
-  THR_COMP_NEW_NEW_OPTFLOWGB,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWGB,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWGB,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLA2,
-  THR_COMP_NEAR_NEWLA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLA2,
-  THR_COMP_GLOBAL_GLOBALLA2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLA2,
-  THR_COMP_NEAR_NEW_OPTFLOWLA2,
-  THR_COMP_NEW_NEAR_OPTFLOWLA2,
-  THR_COMP_NEW_NEW_OPTFLOWLA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL2A2,
-  THR_COMP_NEAR_NEWL2A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL2A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL2A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL2A2,
-  THR_COMP_GLOBAL_GLOBALL2A2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL2A2,
-  THR_COMP_NEAR_NEW_OPTFLOWL2A2,
-  THR_COMP_NEW_NEAR_OPTFLOWL2A2,
-  THR_COMP_NEW_NEW_OPTFLOWL2A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL2A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARL3A2,
-  THR_COMP_NEAR_NEWL3A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWL3A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWL3A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWL3A2,
-  THR_COMP_GLOBAL_GLOBALL3A2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWL3A2,
-  THR_COMP_NEAR_NEW_OPTFLOWL3A2,
-  THR_COMP_NEW_NEAR_OPTFLOWL3A2,
-  THR_COMP_NEW_NEW_OPTFLOWL3A2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWL3A2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3A2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARGA2,
-  THR_COMP_NEAR_NEWGA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWGA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWGA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWGA2,
-  THR_COMP_GLOBAL_GLOBALGA2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWGA2,
-  THR_COMP_NEAR_NEW_OPTFLOWGA2,
-  THR_COMP_NEW_NEAR_OPTFLOWGA2,
-  THR_COMP_NEW_NEW_OPTFLOWGA2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWGA2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWGA2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLL2,
-  THR_COMP_NEAR_NEWLL2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLL2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLL2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLL2,
-  THR_COMP_GLOBAL_GLOBALLL2,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLL2,
-  THR_COMP_NEAR_NEW_OPTFLOWLL2,
-  THR_COMP_NEW_NEAR_OPTFLOWLL2,
-  THR_COMP_NEW_NEW_OPTFLOWLL2,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLL2,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLL2,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLL3,
-  THR_COMP_NEAR_NEWLL3,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLL3,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLL3,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLL3,
-  THR_COMP_GLOBAL_GLOBALLL3,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLL3,
-  THR_COMP_NEAR_NEW_OPTFLOWLL3,
-  THR_COMP_NEW_NEAR_OPTFLOWLL3,
-  THR_COMP_NEW_NEW_OPTFLOWLL3,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLL3,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLL3,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARLG,
-  THR_COMP_NEAR_NEWLG,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWLG,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWLG,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWLG,
-  THR_COMP_GLOBAL_GLOBALLG,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWLG,
-  THR_COMP_NEAR_NEW_OPTFLOWLG,
-  THR_COMP_NEW_NEAR_OPTFLOWLG,
-  THR_COMP_NEW_NEW_OPTFLOWLG,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWLG,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWLG,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  THR_COMP_NEW_NEARBA,
-  THR_COMP_NEAR_NEWBA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEWBA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEWBA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-  THR_COMP_NEW_NEWBA,
-  THR_COMP_GLOBAL_GLOBALBA,
-#if CONFIG_OPTFLOW_REFINEMENT
-  THR_COMP_NEAR_NEAR_OPTFLOWBA,
-  THR_COMP_NEAR_NEW_OPTFLOWBA,
-  THR_COMP_NEW_NEAR_OPTFLOWBA,
-  THR_COMP_NEW_NEW_OPTFLOWBA,
-#if CONFIG_JOINT_MVD
-  THR_COMP_JOINT_NEW_OPTFLOWBA,
-#if IMPROVED_AMVD
-  THR_COMP_JOINT_AMVDNEW_OPTFLOWBA,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-#if CONFIG_TIP
-  THR_NEAR_TIP,
-  THR_NEW_TIP,
-#if IMPROVED_AMVD
-  THR_AMVDNEW_TIP,
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_TIP
-
-  THR_DC,
-  THR_PAETH,
-  THR_SMOOTH,
-  THR_SMOOTH_V,
-  THR_SMOOTH_H,
-  THR_H_PRED,
-  THR_V_PRED,
-  THR_D135_PRED,
-  THR_D203_PRED,
-  THR_D157_PRED,
-  THR_D67_PRED,
-  THR_D113_PRED,
-  THR_D45_PRED,
-};
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 /*!\cond */
 typedef struct SingleInterModeState {
   int64_t rd;
@@ -576,11 +130,7 @@
   int num_available_refs;
   int64_t dist_refs[REF_FRAMES];
   int dist_order_refs[REF_FRAMES];
-#if CONFIG_NEW_REF_SIGNALING
   int64_t mode_threshold[MB_MODE_COUNT];
-#else
-  int64_t mode_threshold[MAX_MODES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int64_t best_intra_rd;
   unsigned int best_pred_sse;
   int64_t best_pred_diff[REFERENCE_MODES];
@@ -606,19 +156,12 @@
   // Single search results by [directions][modes][reference frames]
   int single_state_cnt[2][SINGLE_INTER_MODE_NUM];
   int single_state_modelled_cnt[2][SINGLE_INTER_MODE_NUM];
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   SingleInterModeState single_state[2][SINGLE_INTER_MODE_NUM]
                                    [SINGLE_REF_FRAMES];
   SingleInterModeState single_state_modelled[2][SINGLE_INTER_MODE_NUM]
                                             [SINGLE_REF_FRAMES];
   MV_REFERENCE_FRAME single_rd_order[2][SINGLE_INTER_MODE_NUM]
                                     [SINGLE_REF_FRAMES];
-#else
-  SingleInterModeState single_state[2][SINGLE_INTER_MODE_NUM][FWD_REFS];
-  SingleInterModeState single_state_modelled[2][SINGLE_INTER_MODE_NUM]
-                                            [FWD_REFS];
-  MV_REFERENCE_FRAME single_rd_order[2][SINGLE_INTER_MODE_NUM][FWD_REFS];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   IntraModeSearchState intra_search_state;
 } InterModeSearchState;
 /*!\endcond */
@@ -1031,13 +574,8 @@
     const AV1_COMMON *cm, const MACROBLOCKD *xd, const ModeCosts *mode_costs,
     int segment_id, unsigned int *ref_costs_single,
     unsigned int (*ref_costs_comp)[REF_FRAMES]) {
-#if CONFIG_NEW_REF_SIGNALING
   (void)segment_id;
   int seg_ref_active = 0;
-#else
-  int seg_ref_active =
-      segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
   if (seg_ref_active) {
     memset(ref_costs_single, 0, SINGLE_REF_FRAMES * sizeof(*ref_costs_single));
     int ref_frame;
@@ -1048,20 +586,12 @@
     int intra_inter_ctx = av1_get_intra_inter_context(xd);
 #if CONFIG_CONTEXT_DERIVATION
     const int skip_txfm = xd->mi[0]->skip_txfm[xd->tree_type == CHROMA_PART];
-#if CONFIG_NEW_REF_SIGNALING
     ref_costs_single[INTRA_FRAME_INDEX] =
-#else
-    ref_costs_single[INTRA_FRAME] =
-#endif  // CONFIG_NEW_REF_SIGNALING
         mode_costs->intra_inter_cost[skip_txfm][intra_inter_ctx][0];
     unsigned int base_cost =
         mode_costs->intra_inter_cost[skip_txfm][intra_inter_ctx][1];
 #else
-#if CONFIG_NEW_REF_SIGNALING
     ref_costs_single[INTRA_FRAME_INDEX] =
-#else
-    ref_costs_single[INTRA_FRAME] =
-#endif  // CONFIG_NEW_REF_SIGNALING
         mode_costs->intra_inter_cost[intra_inter_ctx][0];
     unsigned int base_cost = mode_costs->intra_inter_cost[intra_inter_ctx][1];
 #endif  // CONFIG_CONTEXT_DERIVATION
@@ -1075,7 +605,6 @@
     }
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i)
       ref_costs_single[i] = base_cost;
 
@@ -1090,58 +619,7 @@
 
     for (int i = n_refs; i < INTER_REFS_PER_FRAME; i++)
       ref_costs_single[i] = INT_MAX;
-#else
-    for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i)
-      ref_costs_single[i] = base_cost;
 
-    const int ctx_p1 = av1_get_pred_context_single_ref_p1(xd);
-    const int ctx_p2 = av1_get_pred_context_single_ref_p2(xd);
-    const int ctx_p3 = av1_get_pred_context_single_ref_p3(xd);
-    const int ctx_p4 = av1_get_pred_context_single_ref_p4(xd);
-    const int ctx_p5 = av1_get_pred_context_single_ref_p5(xd);
-    const int ctx_p6 = av1_get_pred_context_single_ref_p6(xd);
-
-    // Determine cost of a single ref frame, where frame types are represented
-    // by a tree:
-    // Level 0: add cost whether this ref is a forward or backward ref
-    ref_costs_single[LAST_FRAME] += mode_costs->single_ref_cost[ctx_p1][0][0];
-    ref_costs_single[LAST2_FRAME] += mode_costs->single_ref_cost[ctx_p1][0][0];
-    ref_costs_single[LAST3_FRAME] += mode_costs->single_ref_cost[ctx_p1][0][0];
-    ref_costs_single[GOLDEN_FRAME] += mode_costs->single_ref_cost[ctx_p1][0][0];
-    ref_costs_single[BWDREF_FRAME] += mode_costs->single_ref_cost[ctx_p1][0][1];
-    ref_costs_single[ALTREF2_FRAME] +=
-        mode_costs->single_ref_cost[ctx_p1][0][1];
-    ref_costs_single[ALTREF_FRAME] += mode_costs->single_ref_cost[ctx_p1][0][1];
-
-    // Level 1: if this ref is forward ref,
-    // add cost whether it is last/last2 or last3/golden
-    ref_costs_single[LAST_FRAME] += mode_costs->single_ref_cost[ctx_p3][2][0];
-    ref_costs_single[LAST2_FRAME] += mode_costs->single_ref_cost[ctx_p3][2][0];
-    ref_costs_single[LAST3_FRAME] += mode_costs->single_ref_cost[ctx_p3][2][1];
-    ref_costs_single[GOLDEN_FRAME] += mode_costs->single_ref_cost[ctx_p3][2][1];
-
-    // Level 1: if this ref is backward ref
-    // then add cost whether this ref is altref or backward ref
-    ref_costs_single[BWDREF_FRAME] += mode_costs->single_ref_cost[ctx_p2][1][0];
-    ref_costs_single[ALTREF2_FRAME] +=
-        mode_costs->single_ref_cost[ctx_p2][1][0];
-    ref_costs_single[ALTREF_FRAME] += mode_costs->single_ref_cost[ctx_p2][1][1];
-
-    // Level 2: further add cost whether this ref is last or last2
-    ref_costs_single[LAST_FRAME] += mode_costs->single_ref_cost[ctx_p4][3][0];
-    ref_costs_single[LAST2_FRAME] += mode_costs->single_ref_cost[ctx_p4][3][1];
-
-    // Level 2: last3 or golden
-    ref_costs_single[LAST3_FRAME] += mode_costs->single_ref_cost[ctx_p5][4][0];
-    ref_costs_single[GOLDEN_FRAME] += mode_costs->single_ref_cost[ctx_p5][4][1];
-
-    // Level 2: bwdref or altref2
-    ref_costs_single[BWDREF_FRAME] += mode_costs->single_ref_cost[ctx_p6][5][0];
-    ref_costs_single[ALTREF2_FRAME] +=
-        mode_costs->single_ref_cost[ctx_p6][5][1];
-#endif  // CONFIG_NEW_REF_SIGNALING
-
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
     if (cm->current_frame.reference_mode != SINGLE_REFERENCE) {
       for (int i = 0; i < REF_FRAMES; i++) {
@@ -1246,100 +724,6 @@
       }
     }
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#else
-    if (cm->current_frame.reference_mode != SINGLE_REFERENCE) {
-      // Similar to single ref, determine cost of compound ref frames.
-      // cost_compound_refs = cost_first_ref + cost_second_ref
-      const int bwdref_comp_ctx_p = av1_get_pred_context_comp_bwdref_p(xd);
-      const int bwdref_comp_ctx_p1 = av1_get_pred_context_comp_bwdref_p1(xd);
-      const int ref_comp_ctx_p = av1_get_pred_context_comp_ref_p(xd);
-      const int ref_comp_ctx_p1 = av1_get_pred_context_comp_ref_p1(xd);
-      const int ref_comp_ctx_p2 = av1_get_pred_context_comp_ref_p2(xd);
-
-      const int comp_ref_type_ctx = av1_get_comp_reference_type_context(xd);
-      unsigned int ref_bicomp_costs[REF_FRAMES] = { 0 };
-
-      ref_bicomp_costs[LAST_FRAME] = ref_bicomp_costs[LAST2_FRAME] =
-          ref_bicomp_costs[LAST3_FRAME] = ref_bicomp_costs[GOLDEN_FRAME] =
-              base_cost + mode_costs->comp_ref_type_cost[comp_ref_type_ctx][1];
-      ref_bicomp_costs[BWDREF_FRAME] = ref_bicomp_costs[ALTREF2_FRAME] = 0;
-      ref_bicomp_costs[ALTREF_FRAME] = 0;
-
-      // cost of first ref frame
-      ref_bicomp_costs[LAST_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p][0][0];
-      ref_bicomp_costs[LAST2_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p][0][0];
-      ref_bicomp_costs[LAST3_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p][0][1];
-      ref_bicomp_costs[GOLDEN_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p][0][1];
-
-      ref_bicomp_costs[LAST_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p1][1][0];
-      ref_bicomp_costs[LAST2_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p1][1][1];
-
-      ref_bicomp_costs[LAST3_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p2][2][0];
-      ref_bicomp_costs[GOLDEN_FRAME] +=
-          mode_costs->comp_ref_cost[ref_comp_ctx_p2][2][1];
-
-      // cost of second ref frame
-      ref_bicomp_costs[BWDREF_FRAME] +=
-          mode_costs->comp_bwdref_cost[bwdref_comp_ctx_p][0][0];
-      ref_bicomp_costs[ALTREF2_FRAME] +=
-          mode_costs->comp_bwdref_cost[bwdref_comp_ctx_p][0][0];
-      ref_bicomp_costs[ALTREF_FRAME] +=
-          mode_costs->comp_bwdref_cost[bwdref_comp_ctx_p][0][1];
-
-      ref_bicomp_costs[BWDREF_FRAME] +=
-          mode_costs->comp_bwdref_cost[bwdref_comp_ctx_p1][1][0];
-      ref_bicomp_costs[ALTREF2_FRAME] +=
-          mode_costs->comp_bwdref_cost[bwdref_comp_ctx_p1][1][1];
-
-      // cost: if one ref frame is forward ref, the other ref is backward ref
-      int ref0, ref1;
-      for (ref0 = LAST_FRAME; ref0 <= GOLDEN_FRAME; ++ref0) {
-        for (ref1 = BWDREF_FRAME; ref1 <= ALTREF_FRAME; ++ref1) {
-          ref_costs_comp[ref0][ref1] =
-              ref_bicomp_costs[ref0] + ref_bicomp_costs[ref1];
-        }
-      }
-
-      // cost: if both ref frames are the same side.
-      const int uni_comp_ref_ctx_p = av1_get_pred_context_uni_comp_ref_p(xd);
-      const int uni_comp_ref_ctx_p1 = av1_get_pred_context_uni_comp_ref_p1(xd);
-      const int uni_comp_ref_ctx_p2 = av1_get_pred_context_uni_comp_ref_p2(xd);
-      ref_costs_comp[LAST_FRAME][LAST2_FRAME] =
-          base_cost + mode_costs->comp_ref_type_cost[comp_ref_type_ctx][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p1][1][0];
-      ref_costs_comp[LAST_FRAME][LAST3_FRAME] =
-          base_cost + mode_costs->comp_ref_type_cost[comp_ref_type_ctx][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p1][1][1] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p2][2][0];
-      ref_costs_comp[LAST_FRAME][GOLDEN_FRAME] =
-          base_cost + mode_costs->comp_ref_type_cost[comp_ref_type_ctx][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p1][1][1] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p2][2][1];
-      ref_costs_comp[BWDREF_FRAME][ALTREF_FRAME] =
-          base_cost + mode_costs->comp_ref_type_cost[comp_ref_type_ctx][0] +
-          mode_costs->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][1];
-    } else {
-      int ref0, ref1;
-      for (ref0 = LAST_FRAME; ref0 <= GOLDEN_FRAME; ++ref0) {
-        for (ref1 = BWDREF_FRAME; ref1 <= ALTREF_FRAME; ++ref1)
-          ref_costs_comp[ref0][ref1] = 512;
-      }
-      ref_costs_comp[LAST_FRAME][LAST2_FRAME] = 512;
-      ref_costs_comp[LAST_FRAME][LAST3_FRAME] = 512;
-      ref_costs_comp[LAST_FRAME][GOLDEN_FRAME] = 512;
-      ref_costs_comp[BWDREF_FRAME][ALTREF_FRAME] = 512;
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 }
 
@@ -1380,11 +764,7 @@
 #endif  // CONFIG_C071_SUBBLK_WARPMV
 
 static AOM_INLINE void store_coding_context(
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-    MACROBLOCK *x, PICK_MODE_CONTEXT *ctx, int mode_index,
-#else
     MACROBLOCK *x, PICK_MODE_CONTEXT *ctx,
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
     int64_t comp_pred_diff[REFERENCE_MODES], int skippable
 #if CONFIG_C071_SUBBLK_WARPMV
     ,
@@ -1397,9 +777,6 @@
   // restored if we decide to encode this way
   ctx->rd_stats.skip_txfm = x->txfm_search_info.skip_txfm;
   ctx->skippable = skippable;
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  ctx->best_mode_index = mode_index;
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
   ctx->mic = *xd->mi[0];
 #if CONFIG_C071_SUBBLK_WARPMV
   if (is_warp_mode(xd->mi[0]->motion_mode)) {
@@ -1542,12 +919,8 @@
     return 0;
   }
 
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const MV_REFERENCE_FRAME ref_frame0 = COMPACT_INDEX0_NRS(ref_frames[0]);
   if (search_state->modelled_rd[compare_mode][0][ref_frame0] == INT64_MAX) {
-#else
-  if (search_state->modelled_rd[compare_mode][0][ref_frames[0]] == INT64_MAX) {
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     return 0;
   }
   const int16_t mode_ctx =
@@ -1571,13 +944,8 @@
 
   // Only skip if the mode cost is larger than compare mode cost
   if (this_cost > compare_cost) {
-#if CONFIG_NEW_REF_SIGNALING
     search_state->modelled_rd[this_mode][0][ref_frame0] =
         search_state->modelled_rd[compare_mode][0][ref_frame0];
-#else
-    search_state->modelled_rd[this_mode][0][ref_frames[0]] =
-        search_state->modelled_rd[compare_mode][0][ref_frames[0]];
-#endif  // CONFIG_NEW_REF_SIGNALING
     return 1;
   }
   return 0;
@@ -1645,14 +1013,8 @@
 #endif  // CONFIG_JOINT_MVD || CONFIG_JOINT_MVD
   const int is_comp_pred = has_second_ref(mbmi);
   const PREDICTION_MODE this_mode = mbmi->mode;
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const MV_REFERENCE_FRAME refs[2] = { COMPACT_INDEX0_NRS(mbmi->ref_frame[0]),
                                        COMPACT_INDEX1_NRS(mbmi->ref_frame[1]) };
-#else
-  const MV_REFERENCE_FRAME refs[2] = {
-    mbmi->ref_frame[0], mbmi->ref_frame[1] < 0 ? 0 : mbmi->ref_frame[1]
-  };
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const int ref_mv_idx = mbmi->ref_mv_idx;
 #if CONFIG_FLEX_MVRES
   const MvSubpelPrecision pb_mv_precision = mbmi->pb_mv_precision;
@@ -3055,11 +2417,7 @@
           model_rd_sb_fn[MODELRD_TYPE_MOTION_MODE_RD](
               cpi, bsize, x, xd, 0, num_planes - 1, &est_residue_cost,
               &est_dist, NULL, &curr_sse, NULL, NULL, NULL);
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
           sse_y = x->pred_sse[COMPACT_INDEX0_NRS(xd->mi[0]->ref_frame[0])];
-#else
-        sse_y = x->pred_sse[xd->mi[0]->ref_frame[0]];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         }
         est_rd = RDCOST(x->rdmult, rd_stats->rate + est_residue_cost, est_dist);
         if (est_rd * 0.80 > *best_est_rd) {
@@ -3152,12 +2510,8 @@
 
       const int64_t tmp_rd = RDCOST(x->rdmult, rd_stats->rate, rd_stats->dist);
       if (mode_index == 0) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         args->simple_rd[this_mode][mbmi->ref_mv_idx]
                        [COMPACT_INDEX0_NRS(mbmi->ref_frame[0])] = tmp_rd;
-#else
-      args->simple_rd[this_mode][mbmi->ref_mv_idx][mbmi->ref_frame[0]] = tmp_rd;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       }
       if (mode_index == 0 || tmp_rd < best_rd) {
         // Update best_rd data if this is the best motion mode so far
@@ -3537,10 +2891,8 @@
     const RefFrameDistanceInfo *const ref_frame_dist_info, MACROBLOCK *x,
     const HandleInterModeArgs *const args, int64_t ref_best_rd,
     int ref_mv_idx) {
-#if CONFIG_NEW_REF_SIGNALING
   (void)ref_frame_dist_info;
   const AV1_COMMON *const cm = &cpi->common;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const SPEED_FEATURES *const sf = &cpi->sf;
   MACROBLOCKD *xd = &x->e_mbd;
   MB_MODE_INFO *mbmi = xd->mi[0];
@@ -3548,7 +2900,6 @@
   const int8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame);
   const int is_comp_pred = has_second_ref(mbmi);
   if (sf->inter_sf.reduce_inter_modes && ref_mv_idx > 0) {
-#if CONFIG_NEW_REF_SIGNALING
     // NOTE: This section changes the stats.
     int ranks[2][2], dir[2] = { -1, -1 };
     if (mbmi->ref_frame[0] != INTRA_FRAME)
@@ -3557,12 +2908,6 @@
       dir[1] = get_dir_rank(cm, mbmi->ref_frame[1], ranks[1]);
     if ((dir[0] != -1 && ranks[0][dir[0]] > 3) ||
         (dir[1] != -1 && ranks[1][dir[1]] > 2)) {
-#else
-    if (mbmi->ref_frame[0] == LAST2_FRAME ||
-        mbmi->ref_frame[0] == LAST3_FRAME ||
-        mbmi->ref_frame[1] == LAST2_FRAME ||
-        mbmi->ref_frame[1] == LAST3_FRAME) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       if (mbmi_ext->weight[ref_frame_type][ref_mv_idx] < REF_CAT_LEVEL) {
         return true;
       }
@@ -3570,15 +2915,10 @@
     // TODO(any): Experiment with reduce_inter_modes for compound prediction
     if (sf->inter_sf.reduce_inter_modes >= 2 && !is_comp_pred &&
         have_newmv_in_inter_mode(mbmi->mode)) {
-#if CONFIG_NEW_REF_SIGNALING
       if ((cm->ref_frames_info.num_future_refs == 0 ||
            mbmi->ref_frame[0] != cm->ref_frames_info.future_refs[0]) &&
           (cm->ref_frames_info.num_past_refs == 0 ||
            mbmi->ref_frame[0] != cm->ref_frames_info.past_refs[0])) {
-#else
-      if (mbmi->ref_frame[0] != ref_frame_dist_info->nearest_past_ref &&
-          mbmi->ref_frame[0] != ref_frame_dist_info->nearest_future_ref) {
-#endif  // CONFIG_NEW_REF_SIGNALING
         if (mbmi_ext->weight[ref_frame_type][ref_mv_idx] < REF_CAT_LEVEL) {
           return true;
         }
@@ -4083,7 +3423,6 @@
   };
 
   const int is_comp_pred = is_inter_ref_frame(refs[1]);
-#if CONFIG_NEW_REF_SIGNALING
   if (!is_comp_pred) {
     cur_inter_cost = inter_cost_info_from_tpl->ref_inter_cost[refs[0]];
   } else {
@@ -4095,19 +3434,6 @@
     // more aggressive pruning
     cur_inter_cost = AOMMAX(inter_cost_ref0, inter_cost_ref1);
   }
-#else
-  if (!is_comp_pred) {
-    cur_inter_cost = inter_cost_info_from_tpl->ref_inter_cost[refs[0] - 1];
-  } else {
-    const int64_t inter_cost_ref0 =
-        inter_cost_info_from_tpl->ref_inter_cost[refs[0] - 1];
-    const int64_t inter_cost_ref1 =
-        inter_cost_info_from_tpl->ref_inter_cost[refs[1] - 1];
-    // Choose maximum inter_cost among inter_cost_ref0 and inter_cost_ref1 for
-    // more aggressive pruning
-    cur_inter_cost = AOMMAX(inter_cost_ref0, inter_cost_ref1);
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // Prune the mode if cur_inter_cost is greater than threshold times
   // best_inter_cost
@@ -4508,14 +3834,8 @@
       tpl_idx < MAX_TPL_FRAME_IDX && tpl_frame->is_valid;
   int i;
   // Reference frames for this mode
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const MV_REFERENCE_FRAME refs[2] = { COMPACT_INDEX0_NRS(mbmi->ref_frame[0]),
                                        COMPACT_INDEX1_NRS(mbmi->ref_frame[1]) };
-#else
-  const MV_REFERENCE_FRAME refs[2] = {
-    mbmi->ref_frame[0], (mbmi->ref_frame[1] < 0 ? 0 : mbmi->ref_frame[1])
-  };
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   int rate_mv = 0;
   int64_t rd = INT64_MAX;
   // Do first prediction into the destination buffer. Do the next
@@ -6241,15 +5561,8 @@
     return;
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   const MV_REFERENCE_FRAME ref_frame = skip_mode_info->ref_frame_idx_0;
   const MV_REFERENCE_FRAME second_ref_frame = skip_mode_info->ref_frame_idx_1;
-#else
-  const MV_REFERENCE_FRAME ref_frame =
-      LAST_FRAME + skip_mode_info->ref_frame_idx_0;
-  const MV_REFERENCE_FRAME second_ref_frame =
-      LAST_FRAME + skip_mode_info->ref_frame_idx_1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_OPTFLOW_REFINEMENT
   const PREDICTION_MODE this_mode =
@@ -6258,15 +5571,6 @@
   const PREDICTION_MODE this_mode = NEAR_NEARMV;
 #endif  // CONFIG_OPTFLOW_REFINEMENT
 
-#if !CONFIG_NEW_REF_SIGNALING
-  const THR_MODES mode_index =
-      get_prediction_mode_idx(this_mode, ref_frame, second_ref_frame);
-
-  if (mode_index == THR_INVALID) {
-    return;
-  }
-#endif  // CONFIG_NEW_REF_SIGNALING
-
   if ((!cpi->oxcf.ref_frm_cfg.enable_onesided_comp ||
        cpi->sf.inter_sf.disable_onesided_comp) &&
       cpi->all_one_sided_refs) {
@@ -6377,12 +5681,8 @@
   }
   search_state->best_rd = best_rd_cost->rdcost;
 
-#if CONFIG_NEW_REF_SIGNALING
   for (int8_t rf_idx = 0; rf_idx < cpi->common.ref_frames_info.num_total_refs;
        ++rf_idx) {
-#else
-  for (int8_t rf_idx = LAST_FRAME; rf_idx <= ALTREF_FRAME; ++rf_idx) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (get_ref_frame_yv12_buf(cm, rf_idx) == NULL) continue;
     setup_buffer_ref_mvs_inter(cpi, x, rf_idx, bsize, yv12_mb);
   }
@@ -6514,9 +5814,6 @@
 
     if (skip_mode_rd_stats.rdcost < search_state->best_rd &&
         (!xd->lossless[mbmi->segment_id] || skip_mode_rd_stats.dist == 0)) {
-#if !CONFIG_NEW_REF_SIGNALING
-      assert(mode_index != THR_INVALID);
-#endif  // !CONFIG_NEW_REF_SIGNALING
       assert(mbmi->skip_txfm[xd->tree_type == CHROMA_PART] ==
              skip_mode_rd_stats.skip_txfm);
       search_state->best_mbmode.skip_mode = 1;
@@ -6594,9 +5891,6 @@
                                  cm,
 #endif  // CONFIG_OPTFLOW_REFINEMENT
                                  cm->features.interp_filter);
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-      ctx->best_mode_index = mode_index;
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 
       // Update rd_cost
       best_rd_cost->rate = skip_mode_rd_stats.rate;
@@ -6628,25 +5922,10 @@
     return;
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   const MV_REFERENCE_FRAME ref_frame = skip_mode_info->ref_frame_idx_0;
   const MV_REFERENCE_FRAME second_ref_frame = skip_mode_info->ref_frame_idx_1;
-#else
-  const MV_REFERENCE_FRAME ref_frame =
-      LAST_FRAME + skip_mode_info->ref_frame_idx_0;
-  const MV_REFERENCE_FRAME second_ref_frame =
-      LAST_FRAME + skip_mode_info->ref_frame_idx_1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   const PREDICTION_MODE this_mode = NEAR_NEARMV;
-#if !CONFIG_NEW_REF_SIGNALING
-  const THR_MODES mode_index =
-      get_prediction_mode_idx(this_mode, ref_frame, second_ref_frame);
-
-  if (mode_index == THR_INVALID) {
-    return;
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
   if ((!cpi->oxcf.ref_frm_cfg.enable_onesided_comp ||
        cpi->sf.inter_sf.disable_onesided_comp) &&
@@ -6741,9 +6020,6 @@
 
   if (skip_mode_rd_stats.rdcost <= best_intra_inter_mode_cost &&
       (!xd->lossless[mbmi->segment_id] || skip_mode_rd_stats.dist == 0)) {
-#if !CONFIG_NEW_REF_SIGNALING
-    assert(mode_index != THR_INVALID);
-#endif  // !CONFIG_NEW_REF_SIGNALING
     search_state->best_mbmode.skip_mode = 1;
     search_state->best_mbmode = *mbmi;
     search_state->best_mbmode.skip_mode =
@@ -6888,17 +6164,11 @@
 
       // Select prediction reference frames.
       for (int i = 0; i < num_planes; i++) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         xd->plane[i].pre[0] =
             yv12_mb[COMPACT_INDEX0_NRS(mbmi->ref_frame[0])][i];
         if (has_second_ref(mbmi))
           xd->plane[i].pre[1] =
               yv12_mb[COMPACT_INDEX0_NRS(mbmi->ref_frame[1])][i];
-#else
-        xd->plane[i].pre[0] = yv12_mb[mbmi->ref_frame[0]][i];
-        if (has_second_ref(mbmi))
-          xd->plane[i].pre[1] = yv12_mb[mbmi->ref_frame[1]][i];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       }
 
       if (is_inter_mode(mbmi->mode)) {
@@ -6980,14 +6250,12 @@
   uint32_t pred_modes[REF_FRAMES];
   // If ref_combo[i][j + 1] is true, do NOT try prediction using combination
   // of reference frames (i, j). Indexing with 'j + 1' is due to the fact that
-  // 2nd reference can be -1 (INVALID_FRAME). NOTE: In
-  // CONFIG_NEW_REF_SIGNALING, indexing for the reference has the order the
-  // INTER references followed by INTRA
+  // 2nd reference can be -1 (INVALID_FRAME). NOTE: indexing for the reference
+  // has the order the INTER references followed by INTRA
   bool ref_combo[REF_FRAMES][REF_FRAMES + 1];
 } mode_skip_mask_t;
 /*!\endcond */
 
-#if CONFIG_NEW_REF_SIGNALING
 // Update 'ref_combo' mask to disable given 'ref' in single and compound
 // modes.
 static AOM_INLINE void disable_reference(
@@ -7014,39 +6282,6 @@
   { 0, 3 },           { 1, 2 },           { 1, 3 },
   { 2, 3 },
 };
-#else
-// Update 'ref_combo' mask to disable given 'ref' in single and compound modes.
-static AOM_INLINE void disable_reference(
-    MV_REFERENCE_FRAME ref, bool ref_combo[REF_FRAMES][REF_FRAMES + 1]) {
-  for (MV_REFERENCE_FRAME ref2 = NONE_FRAME; ref2 < REF_FRAMES; ++ref2) {
-    ref_combo[ref][ref2 + 1] = true;
-  }
-}
-
-// Update 'ref_combo' mask to disable all inter references except ALTREF.
-static AOM_INLINE void disable_inter_references_except_altref(
-    bool ref_combo[REF_FRAMES][REF_FRAMES + 1]) {
-  disable_reference(LAST_FRAME, ref_combo);
-  disable_reference(LAST2_FRAME, ref_combo);
-  disable_reference(LAST3_FRAME, ref_combo);
-  disable_reference(GOLDEN_FRAME, ref_combo);
-  disable_reference(BWDREF_FRAME, ref_combo);
-  disable_reference(ALTREF2_FRAME, ref_combo);
-}
-
-// Define single and compound reference combinations allowed in
-// "enable_reduced_reference_set" speed feature.
-static const MV_REFERENCE_FRAME reduced_ref_combos[][2] = {
-  { LAST_FRAME, NONE_FRAME },     { ALTREF_FRAME, NONE_FRAME },
-  { LAST_FRAME, ALTREF_FRAME },   { GOLDEN_FRAME, NONE_FRAME },
-  { INTRA_FRAME, NONE_FRAME },    { GOLDEN_FRAME, ALTREF_FRAME },
-  { LAST_FRAME, GOLDEN_FRAME },   { LAST_FRAME, INTRA_FRAME },
-  { LAST_FRAME, BWDREF_FRAME },   { LAST_FRAME, LAST3_FRAME },
-  { GOLDEN_FRAME, BWDREF_FRAME }, { GOLDEN_FRAME, INTRA_FRAME },
-  { BWDREF_FRAME, NONE_FRAME },   { BWDREF_FRAME, ALTREF_FRAME },
-  { ALTREF_FRAME, INTRA_FRAME },  { BWDREF_FRAME, INTRA_FRAME },
-};
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 typedef enum { REF_SET_FULL, REF_SET_REDUCED } REF_SET;
 
@@ -7078,12 +6313,8 @@
 
     for (int i = 0; i < num_ref_combos; ++i) {
       const MV_REFERENCE_FRAME *const this_combo = ref_set_combos[i];
-#if CONFIG_NEW_REF_SIGNALING
       mask->ref_combo[COMPACT_INDEX0_NRS(this_combo[0])]
                      [COMPACT_INDEX0_NRS(this_combo[1]) + 1] = false;
-#else
-      mask->ref_combo[this_combo[0]][this_combo[1] + 1] = false;
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
   }
 }
@@ -7092,12 +6323,6 @@
                                            const AV1_COMP *cpi, MACROBLOCK *x,
                                            BLOCK_SIZE bsize) {
   const AV1_COMMON *const cm = &cpi->common;
-#if !CONFIG_NEW_REF_SIGNALING
-  const struct segmentation *const seg = &cm->seg;
-  MACROBLOCKD *const xd = &x->e_mbd;
-  MB_MODE_INFO *const mbmi = xd->mi[0];
-  unsigned char segment_id = mbmi->segment_id;
-#endif  // !CONFIG_NEW_REF_SIGNALING
   const SPEED_FEATURES *const sf = &cpi->sf;
   REF_SET ref_set = REF_SET_FULL;
 
@@ -7108,28 +6333,19 @@
 
   int min_pred_mv_sad = INT_MAX;
   MV_REFERENCE_FRAME ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < cm->ref_frames_info.num_total_refs;
        ++ref_frame)
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame)
-#endif  // CONFIG_NEW_REF_SIGNALING
     min_pred_mv_sad = AOMMIN(min_pred_mv_sad, x->pred_mv_sad[ref_frame]);
 
 #if CONFIG_TIP
   min_pred_mv_sad = AOMMIN(min_pred_mv_sad, x->pred_mv_sad[TIP_FRAME_INDEX]);
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < cm->ref_frames_info.num_total_refs;
        ++ref_frame) {
     if (!(cm->ref_frame_flags & (1 << ref_frame))) {
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    if (!(cm->ref_frame_flags & av1_ref_frame_flag_list[ref_frame])) {
-#endif  // CONFIG_NEW_REF_SIGNALING
-        // Skip checking missing reference in both single and compound reference
-        // modes.
+      // Skip checking missing reference in both single and compound reference
+      // modes.
       disable_reference(ref_frame, mask->ref_combo);
     } else {
       // Skip fixed mv modes for poor references
@@ -7137,49 +6353,12 @@
         mask->pred_modes[ref_frame] |= INTER_NEAR_GLOBAL;
       }
     }
-#if !CONFIG_NEW_REF_SIGNALING
-    if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) &&
-        get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) {
-      // Reference not used for the segment.
-      disable_reference(ref_frame, mask->ref_combo);
-    }
-#endif  // !CONFIG_NEW_REF_SIGNALING
   }
 
-#if !CONFIG_NEW_REF_SIGNALING
-  // Note: We use the following drop-out only if the SEG_LVL_REF_FRAME feature
-  // is disabled for this segment. This is to prevent the possibility that we
-  // end up unable to pick any mode.
-  if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) {
-    // Only consider GLOBALMV/ALTREF_FRAME for alt ref frame,
-    // unless ARNR filtering is enabled in which case we want
-    // an unfiltered alternative. We allow near/nearest as well
-    // because they may result in zero-zero MVs but be cheaper.
-    if (cpi->rc.is_src_frame_alt_ref &&
-        (cpi->oxcf.algo_cfg.arnr_max_frames == 0)) {
-      disable_inter_references_except_altref(mask->ref_combo);
-
-      mask->pred_modes[ALTREF_FRAME] = ~INTER_NEAR_GLOBAL;
-      const MV_REFERENCE_FRAME tmp_ref_frames[2] = { ALTREF_FRAME, NONE_FRAME };
-      int_mv near_mv, global_mv;
-      get_this_mv(&near_mv, NEARMV, 0, 0, 0, tmp_ref_frames, x->mbmi_ext);
-      get_this_mv(&global_mv, GLOBALMV, 0, 0, 0, tmp_ref_frames, x->mbmi_ext);
-      if (near_mv.as_int != global_mv.as_int)
-        mask->pred_modes[ALTREF_FRAME] |= (1 << NEARMV);
-    }
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   if (cpi->rc.is_src_frame_alt_ref) {
     if (sf->inter_sf.alt_ref_search_fp) {
-#if CONFIG_NEW_REF_SIGNALING
       mask->pred_modes[0] = 0;
       disable_inter_references_except_top(mask->ref_combo);
-#else
-      assert(cm->ref_frame_flags & av1_ref_frame_flag_list[ALTREF_FRAME]);
-      mask->pred_modes[ALTREF_FRAME] = 0;
-      disable_inter_references_except_altref(mask->ref_combo);
-#endif  // CONFIG_NEW_REF_SIGNALING
       disable_reference(INTRA_FRAME, mask->ref_combo);
     }
   }
@@ -7189,14 +6368,8 @@
       int sad_thresh = x->best_pred_mv_sad + (x->best_pred_mv_sad >> 3);
       // Conservatively skip the modes w.r.t. BWDREF, ALTREF2 and ALTREF, if
       // those are past frames
-#if CONFIG_NEW_REF_SIGNALING
       for (ref_frame = 4; ref_frame < INTER_REFS_PER_FRAME; ref_frame++) {
         if (cpi->ref_frame_dist_info.ref_relative_dist[ref_frame] < 0)
-#else
-      for (ref_frame = BWDREF_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) {
-        if (cpi->ref_frame_dist_info.ref_relative_dist[ref_frame - LAST_FRAME] <
-            0)
-#endif  // CONFIG_NEW_REF_SIGNALING
           if (x->pred_mv_sad[ref_frame] > sad_thresh)
             mask->pred_modes[ref_frame] |= INTER_ALL;
       }
@@ -7207,11 +6380,7 @@
     disable_reference(INTRA_FRAME, mask->ref_combo);
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   mask->pred_modes[INTRA_FRAME_INDEX] |=
-#else
-  mask->pred_modes[INTRA_FRAME] |=
-#endif  // CONFIG_NEW_REF_SIGNALING
       ~(sf->intra_sf.intra_y_mode_mask[max_txsize_lookup[bsize]]);
 }
 
@@ -7225,7 +6394,6 @@
   args->left_pred_buf[2] = obmc_buffer->left_pred + MAX_SB_SQUARE;
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 static AOM_INLINE int prune_ref_frame(const AV1_COMP *cpi, const MACROBLOCK *x,
                                       const MV_REFERENCE_FRAME ref_frame) {
   const AV1_COMMON *const cm = &cpi->common;
@@ -7255,23 +6423,6 @@
 
   return 0;
 }
-#else
-static AOM_INLINE int prune_ref_frame(const AV1_COMP *cpi, const MACROBLOCK *x,
-                                      MV_REFERENCE_FRAME ref_frame) {
-  const AV1_COMMON *const cm = &cpi->common;
-  MV_REFERENCE_FRAME rf[2];
-  av1_set_ref_frame(rf, ref_frame);
-
-  if ((cpi->prune_ref_frame_mask >> ref_frame) & 1) return 1;
-
-  if (prune_ref_by_selective_ref_frame(cpi, x, rf,
-                                       cm->cur_frame->ref_display_order_hint)) {
-    return 1;
-  }
-
-  return 0;
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 static AOM_INLINE int is_ref_frame_used_by_compound_ref(
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -7279,7 +6430,6 @@
 #else
     int ref_frame, int skip_ref_frame_mask) {
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#if CONFIG_NEW_REF_SIGNALING
   for (int r = INTER_REFS_PER_FRAME; r < INTRA_FRAME; ++r) {
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
     if (!(skip_ref_frame_mask & ((uint64_t)1 << r))) {
@@ -7288,15 +6438,6 @@
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
       MV_REFERENCE_FRAME rf[2];
       av1_set_ref_frame(rf, r);
-#else
-#if CONFIG_TIP
-  for (int r = ALTREF_FRAME + 1; r < MODE_CTX_REF_FRAMES - 1; ++r) {
-#else
-  for (int r = ALTREF_FRAME + 1; r < MODE_CTX_REF_FRAMES; ++r) {
-#endif  // CONFIG_TIP
-    if (!(skip_ref_frame_mask & (1 << r))) {
-      const MV_REFERENCE_FRAME *rf = ref_frame_map[r - REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
       if (rf[0] == ref_frame || rf[1] == ref_frame) {
         return 1;
       }
@@ -7351,19 +6492,11 @@
   const int mi_col = xd->mi_col;
   x->best_pred_mv_sad = INT_MAX;
   MV_REFERENCE_FRAME ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
   for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
     x->mbmi_ext->mode_context[ref_frame] = 0;
     mbmi_ext->ref_mv_count[ref_frame] = UINT8_MAX;
     if ((cm->ref_frame_flags & (1 << ref_frame))) {
       x->pred_mv_sad[ref_frame] = INT_MAX;
-#else
-  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
-    x->pred_mv_sad[ref_frame] = INT_MAX;
-    x->mbmi_ext->mode_context[ref_frame] = 0;
-    mbmi_ext->ref_mv_count[ref_frame] = UINT8_MAX;
-    if (cm->ref_frame_flags & av1_ref_frame_flag_list[ref_frame]) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       if (mbmi->partition != PARTITION_NONE &&
           mbmi->partition != PARTITION_SPLIT) {
 #if CONFIG_ALLOW_SAME_REF_COMPOUND
@@ -7383,13 +6516,6 @@
       assert(get_ref_frame_yv12_buf(cm, ref_frame) != NULL);
       setup_buffer_ref_mvs_inter(cpi, x, ref_frame, bsize, yv12_mb);
     }
-#if !CONFIG_NEW_REF_SIGNALING
-    // Store the best pred_mv_sad across all past frames
-    if (cpi->sf.inter_sf.alt_ref_search_fp &&
-        cpi->ref_frame_dist_info.ref_relative_dist[ref_frame - LAST_FRAME] < 0)
-      x->best_pred_mv_sad =
-          AOMMIN(x->best_pred_mv_sad, x->pred_mv_sad[ref_frame]);
-#endif  // !CONFIG_NEW_REF_SIGNALING
   }
 
 #if CONFIG_TIP
@@ -7411,7 +6537,6 @@
 #endif  // CONFIG_TIP
       x->mbmi_ext->mode_context[ref_frame] = 0;
       mbmi_ext->ref_mv_count[ref_frame] = UINT8_MAX;
-#if CONFIG_NEW_REF_SIGNALING
       MV_REFERENCE_FRAME rf[2];
       av1_set_ref_frame(rf, ref_frame);
       if (rf[0] >= cm->ref_frames_info.num_total_refs ||
@@ -7421,13 +6546,6 @@
             (cm->ref_frame_flags & (1 << rf[1])))) {
         continue;
       }
-#else
-      const MV_REFERENCE_FRAME *rf = ref_frame_map[ref_frame - REF_FRAMES];
-      if (!((cm->ref_frame_flags & av1_ref_frame_flag_list[rf[0]]) &&
-            (cm->ref_frame_flags & av1_ref_frame_flag_list[rf[1]]))) {
-        continue;
-      }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
       if (mbmi->partition != PARTITION_NONE &&
           mbmi->partition != PARTITION_SPLIT) {
@@ -7565,21 +6683,11 @@
   memset(search_state->dist_order_refs, -1,
          sizeof(search_state->dist_order_refs));
 
-#if CONFIG_NEW_REF_SIGNALING
   const int *const rd_threshes = cpi->rd.threshes[segment_id][bsize];
   for (int i = 0; i < MB_MODE_COUNT; ++i)
     search_state->mode_threshold[i] =
         ((int64_t)rd_threshes[i] * x->thresh_freq_fact[bsize][i]) >>
         RD_THRESH_FAC_FRAC_BITS;
-#else
-  for (int i = 0; i <= LAST_NEW_MV_INDEX; ++i)
-    search_state->mode_threshold[i] = 0;
-  const int *const rd_threshes = cpi->rd.threshes[segment_id][bsize];
-  for (int i = LAST_NEW_MV_INDEX + 1; i < MAX_MODES; ++i)
-    search_state->mode_threshold[i] =
-        ((int64_t)rd_threshes[i] * x->thresh_freq_fact[bsize][i]) >>
-        RD_THRESH_FAC_FRAC_BITS;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   search_state->best_intra_rd = INT64_MAX;
 
@@ -7599,11 +6707,7 @@
 
   for (int dir = 0; dir < 2; ++dir) {
     for (int mode = 0; mode < SINGLE_INTER_MODE_NUM; ++mode) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       for (int ref_frame = 0; ref_frame < SINGLE_REF_FRAMES; ++ref_frame) {
-#else
-      for (int ref_frame = 0; ref_frame < FWD_REFS; ++ref_frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         SingleInterModeState *state;
 
         state = &search_state->single_state[dir][mode][ref_frame];
@@ -7618,11 +6722,7 @@
   }
   for (int dir = 0; dir < 2; ++dir) {
     for (int mode = 0; mode < SINGLE_INTER_MODE_NUM; ++mode) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       for (int ref_frame = 0; ref_frame < SINGLE_REF_FRAMES; ++ref_frame) {
-#else
-      for (int ref_frame = 0; ref_frame < FWD_REFS; ++ref_frame) {
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         search_state->single_rd_order[dir][mode][ref_frame] = NONE_FRAME;
       }
     }
@@ -7643,21 +6743,13 @@
   if (is_tip_ref_frame(ref_frame[0])) return false;
 #endif  // CONFIG_TIP
 
-#if CONFIG_NEW_REF_SIGNALING
   if (mode_skip_mask->pred_modes[COMPACT_INDEX0_NRS(ref_frame[0])] &
       (1 << this_mode)) {
-#else
-  if (mode_skip_mask->pred_modes[ref_frame[0]] & (1 << this_mode)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     return true;
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   return mode_skip_mask->ref_combo[COMPACT_INDEX0_NRS(ref_frame[0])]
                                   [COMPACT_INDEX0_NRS(ref_frame[1]) + 1];
-#else
-  return mode_skip_mask->ref_combo[ref_frame[0]][ref_frame[1] + 1];
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 static int inter_mode_compatible_skip(const AV1_COMP *cpi, const MACROBLOCK *x,
@@ -7667,12 +6759,7 @@
   const int comp_pred = is_inter_ref_frame(ref_frames[1]);
   if (comp_pred) {
     if (!is_comp_ref_allowed(bsize)) return 1;
-#if CONFIG_NEW_REF_SIGNALING
-    if (!(cpi->common.ref_frame_flags & (1 << ref_frames[1])))
-#else
-    if (!(cpi->common.ref_frame_flags & av1_ref_frame_flag_list[ref_frames[1]]))
-#endif  // CONFIG_NEW_REF_SIGNALING
-      return 1;
+    if (!(cpi->common.ref_frame_flags & (1 << ref_frames[1]))) return 1;
 
     const AV1_COMMON *const cm = &cpi->common;
     if (frame_is_intra_only(cm)) return 1;
@@ -7680,15 +6767,7 @@
     const CurrentFrame *const current_frame = &cm->current_frame;
     if (current_frame->reference_mode == SINGLE_REFERENCE) return 1;
 
-#if CONFIG_NEW_REF_SIGNALING
     (void)x;
-#else
-    const struct segmentation *const seg = &cm->seg;
-    const unsigned char segment_id = x->e_mbd.mi[0]->segment_id;
-    // Do not allow compound prediction if the segment level reference frame
-    // feature is in use as in this case there can only be one reference.
-    if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) return 1;
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 
   if (is_inter_ref_frame(ref_frames[0]) && ref_frames[1] == INTRA_FRAME) {
@@ -7872,7 +6951,6 @@
 #else
     int skip_ref = skip_ref_frame_mask & (1 << ref_type);
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
-#if CONFIG_NEW_REF_SIGNALING
     if (ref_type < INTER_REFS_PER_FRAME && skip_ref) {
       // Since the compound ref modes depends on the motion estimation result
       // of two single ref modes( best mv of single ref modes as the start
@@ -7886,20 +6964,6 @@
 #endif  // CONFIG_ALLOW_SAME_REF_COMPOUND
         MV_REFERENCE_FRAME rf[2];
         av1_set_ref_frame(rf, r);
-#else
-    if (ref_type <= ALTREF_FRAME && skip_ref) {
-      // Since the compound ref modes depends on the motion estimation result of
-      // two single ref modes( best mv of single ref modes as the start point )
-      // If current single ref mode is marked skip, we need to check if it will
-      // be used in compound ref modes.
-#if CONFIG_TIP
-      for (int r = ALTREF_FRAME + 1; r < MODE_CTX_REF_FRAMES - 1; ++r) {
-#else
-      for (int r = ALTREF_FRAME + 1; r < MODE_CTX_REF_FRAMES; ++r) {
-#endif  // CONFIG_TIP
-        if (skip_ref_frame_mask & (1 << r)) continue;
-        const MV_REFERENCE_FRAME *rf = ref_frame_map[r - REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
         if (rf[0] == ref_type || rf[1] == ref_type) {
           // Found a not skipped compound ref mode which contains current
           // single ref. So this single ref can't be skipped completly
@@ -7920,13 +6984,8 @@
       // If the cache only needs the current reference type for compound
       // prediction, then we can skip motion mode search.
       assert(x->inter_mode_cache->ref_frame);
-#if CONFIG_NEW_REF_SIGNALING
       skip_motion_mode = (ref_type < INTER_REFS_PER_FRAME &&
                           x->inter_mode_cache->ref_frame[1] != INTRA_FRAME);
-#else
-      skip_motion_mode = (ref_type <= ALTREF_FRAME &&
-                          x->inter_mode_cache->ref_frame[1] > INTRA_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
 #endif  // CONFIG_EXT_RECUR_PARTITIONS
     if (skip_ref) return 1;
@@ -8003,17 +7062,8 @@
   (void)features;
   int i, j;
   const PREDICTION_MODE this_mode = mbmi->mode;
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const MV_REFERENCE_FRAME ref_frame = COMPACT_INDEX0_NRS(mbmi->ref_frame[0]);
-#if CONFIG_NEW_REF_SIGNALING
   const int dir = get_dir_rank(cm, mbmi->ref_frame[0], NULL);
-#else
-  const int dir = ref_frame <= GOLDEN_FRAME ? 0 : 1;
-#endif  // CONFIG_NEW_REF_SIGNALING
-#else
-  const MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame[0];
-  const int dir = ref_frame <= GOLDEN_FRAME ? 0 : 1;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const int mode_offset = INTER_OFFSET(this_mode);
   const int ref_set = get_drl_refmv_count(features->max_drl_bits, x,
                                           mbmi->ref_frame, this_mode);
@@ -8062,11 +7112,7 @@
 
   for (dir = 0; dir < 2; ++dir) {
     int64_t best_rd;
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     SingleInterModeState(*state)[SINGLE_REF_FRAMES];
-#else
-    SingleInterModeState(*state)[FWD_REFS];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     const int prune_factor = prune_level >= 2 ? 6 : 5;
 
     // Use the best rd of GLOBALMV or NEWMV to prune the unlikely reference
@@ -8157,11 +7203,7 @@
       search_state->single_state_modelled[dir][mode_offset];
 
   int max_candidates = 0;
-#if CONFIG_NEW_REF_SIGNALING
   for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-#else
-  for (int i = 0; i < FWD_REFS; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (search_state->single_rd_order[dir][mode_offset][i] == NONE_FRAME) break;
     max_candidates++;
   }
@@ -8193,13 +7235,8 @@
   const int mode[2] = { compound_ref0_mode(this_mode),
                         compound_ref1_mode(this_mode) };
   const int mode_offset[2] = { INTER_OFFSET(mode[0]), INTER_OFFSET(mode[1]) };
-#if CONFIG_NEW_REF_SIGNALING
   const int mode_dir[2] = { get_dir_rank(&cpi->common, refs[0], NULL),
                             get_dir_rank(&cpi->common, refs[1], NULL) };
-#else
-  const int mode_dir[2] = { refs[0] <= GOLDEN_FRAME ? 0 : 1,
-                            refs[1] <= GOLDEN_FRAME ? 0 : 1 };
-#endif  // CONFIG_NEW_REF_SIGNALING
   int ref_searched[2] = { 0, 0 };
   int ref_mv_match[2] = { 1, 1 };
   int i, j;
@@ -8302,11 +7339,7 @@
                                            const PREDICTION_MODE this_mode,
                                            const MV_REFERENCE_FRAME ref_frame,
                                            int64_t this_rd) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   const MV_REFERENCE_FRAME rf = COMPACT_INDEX0_NRS(ref_frame);
-#else
-  const MV_REFERENCE_FRAME rf = ref_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
   if (this_rd < search_state->best_single_rd[rf]) {
     search_state->best_single_rd[rf] = this_rd;
     search_state->best_single_mode[rf] = this_mode;
@@ -8407,14 +7440,8 @@
 // and store +10% of it in the 0-th (or last for NRS) element in ref_frame_rd.
 static AOM_INLINE void find_top_ref(int64_t *ref_frame_rd) {
   int64_t ref_copy[REF_FRAMES - 1];
-#if CONFIG_NEW_REF_SIGNALING
   assert(ref_frame_rd[INTRA_FRAME_INDEX] == INT64_MAX);
   memcpy(ref_copy, ref_frame_rd, sizeof(ref_frame_rd[0]) * (REF_FRAMES - 1));
-#else
-  assert(ref_frame_rd[0] == INT64_MAX);
-  memcpy(ref_copy, ref_frame_rd + 1,
-         sizeof(ref_frame_rd[0]) * (REF_FRAMES - 1));
-#endif  // CONFIG_NEW_REF_SIGNALING
   qsort(ref_copy, REF_FRAMES - 1, sizeof(int64_t), compare_int64);
 
 #if CONFIG_TIP
@@ -8427,26 +7454,16 @@
     assert(cutoff < INT64_MAX / 200);
     cutoff = (110 * cutoff) / 100;
   }
-#if CONFIG_NEW_REF_SIGNALING
   ref_frame_rd[INTRA_FRAME_INDEX] = cutoff;
-#else
-  ref_frame_rd[0] = cutoff;
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 // Check if either frame is within the cutoff.
 static INLINE bool in_single_ref_cutoff(int64_t *ref_frame_rd,
                                         MV_REFERENCE_FRAME frame1,
                                         MV_REFERENCE_FRAME frame2) {
-#if CONFIG_NEW_REF_SIGNALING
   assert(is_inter_ref_frame(frame2));
   return ref_frame_rd[frame1] <= ref_frame_rd[INTRA_FRAME_INDEX] ||
          ref_frame_rd[frame2] <= ref_frame_rd[INTRA_FRAME_INDEX];
-#else
-  assert(frame2 > 0);
-  return ref_frame_rd[frame1] <= ref_frame_rd[0] ||
-         ref_frame_rd[frame2] <= ref_frame_rd[0];
-#endif  // CONFIG_NEW_REF_SIGNALING
 }
 
 static AOM_INLINE void evaluate_motion_mode_for_winner_candidates(
@@ -8496,15 +7513,10 @@
     mbmi->motion_mode = 0;
     const int is_comp_pred = is_inter_ref_frame(mbmi->ref_frame[1]);
     for (int i = 0; i < num_planes; i++) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       xd->plane[i].pre[0] = yv12_mb[COMPACT_INDEX0_NRS(mbmi->ref_frame[0])][i];
       if (is_comp_pred)
         xd->plane[i].pre[1] =
             yv12_mb[COMPACT_INDEX0_NRS(mbmi->ref_frame[1])][i];
-#else
-      xd->plane[i].pre[0] = yv12_mb[mbmi->ref_frame[0]][i];
-      if (is_comp_pred) xd->plane[i].pre[1] = yv12_mb[mbmi->ref_frame[1]][i];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     }
 
     int64_t skip_rd[2] = { search_state->best_skip_rd[0],
@@ -8555,23 +7567,11 @@
 /*!\endcond */
 
 static int skip_inter_mode(AV1_COMP *cpi, MACROBLOCK *x, const BLOCK_SIZE bsize,
-                           int64_t *ref_frame_rd,
-#if CONFIG_NEW_REF_SIGNALING
-                           PREDICTION_MODE this_mode,
+                           int64_t *ref_frame_rd, PREDICTION_MODE this_mode,
                            const MV_REFERENCE_FRAME *ref_frames,
-#else
-                           int midx,
-#endif  // CONFIG_NEW_REF_SIGNALING
                            InterModeSFArgs *args) {
   const SPEED_FEATURES *const sf = &cpi->sf;
   MACROBLOCKD *const xd = &x->e_mbd;
-#if !CONFIG_NEW_REF_SIGNALING
-  // Get the actual prediction mode we are trying in this iteration
-  const THR_MODES mode_enum = av1_default_mode_order[midx];
-  const MODE_DEFINITION *mode_def = &av1_mode_defs[mode_enum];
-  const PREDICTION_MODE this_mode = mode_def->mode;
-  const MV_REFERENCE_FRAME *ref_frames = mode_def->ref_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING
   const MV_REFERENCE_FRAME ref_frame = ref_frames[0];
   const MV_REFERENCE_FRAME second_ref_frame = ref_frames[1];
   const int comp_pred = is_inter_ref_frame(second_ref_frame);
@@ -8611,15 +7611,9 @@
   int mul_fact = args->search_state->best_mode_skippable
                      ? args->mode_thresh_mul_fact
                      : (1 << MODE_THRESH_QBITS);
-#if CONFIG_NEW_REF_SIGNALING
   int64_t mode_threshold =
       (args->search_state->mode_threshold[this_mode] * mul_fact) >>
       MODE_THRESH_QBITS;
-#else
-  int64_t mode_threshold =
-      (args->search_state->mode_threshold[mode_enum] * mul_fact) >>
-      MODE_THRESH_QBITS;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   if (args->search_state->best_rd < mode_threshold) return 1;
 
@@ -8646,13 +7640,9 @@
     // for a reference frame. Only search compound modes that have a reference
     // frame at least as good as 110% the best one.
     if (!args->prune_cpd_using_sr_stats_ready &&
-#if CONFIG_NEW_REF_SIGNALING
         *args->num_single_modes_processed ==
             cpi->common.ref_frames_info.num_total_refs *
                 SINGLE_INTER_MODE_NUM) {
-#else
-        *args->num_single_modes_processed == NUM_SINGLE_REF_MODES) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       find_top_ref(ref_frame_rd);
       args->prune_cpd_using_sr_stats_ready = 1;
     }
@@ -8760,15 +7750,10 @@
     // Select prediction reference frames.
     const int is_comp_pred = is_inter_ref_frame(mbmi->ref_frame[1]);
     for (int i = 0; i < num_planes; i++) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
       xd->plane[i].pre[0] = yv12_mb[COMPACT_INDEX0_NRS(mbmi->ref_frame[0])][i];
       if (is_comp_pred)
         xd->plane[i].pre[1] =
             yv12_mb[COMPACT_INDEX0_NRS(mbmi->ref_frame[1])][i];
-#else
-      xd->plane[i].pre[0] = yv12_mb[mbmi->ref_frame[0]][i];
-      if (is_comp_pred) xd->plane[i].pre[1] = yv12_mb[mbmi->ref_frame[1]][i];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
     }
 
     // Build the prediction for this mode
@@ -8886,7 +7871,6 @@
 }
 
 #if CONFIG_TIP
-#if CONFIG_NEW_REF_SIGNALING
 static INLINE int is_tip_mode(PREDICTION_MODE mode) {
 #if IMPROVED_AMVD
   return (mode == NEARMV || mode == NEWMV || mode == AMVDNEWMV);
@@ -8894,16 +7878,6 @@
   return (mode == NEARMV || mode == NEWMV);
 #endif  // IMPROVED_AMVD
 }
-#else
-static INLINE int is_tip_mode(THR_MODES mode) {
-#if IMPROVED_AMVD
-  return (mode == THR_NEAR_TIP || mode == THR_NEW_TIP ||
-          mode == THR_AMVDNEW_TIP);
-#else
-  return (mode == THR_NEAR_TIP || mode == THR_NEW_TIP);
-#endif  // IMPROVED_AMVD
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 #endif  // CONFIG_TIP
 
 // TODO(chiyotsai@google.com): See the todo for av1_rd_pick_intra_mode_sb.
@@ -9117,22 +8091,12 @@
     // 'inter_cost_info_from_tpl.best_inter_cost' does not correspond to a
     // pruned ref frame.
     int valid_refs[INTER_REFS_PER_FRAME] = { 0 };
-#if CONFIG_NEW_REF_SIGNALING
     for (MV_REFERENCE_FRAME frame = 0;
          frame < cm->ref_frames_info.num_total_refs; frame++) {
       const MV_REFERENCE_FRAME refs[2] = { frame, NONE_FRAME };
       valid_refs[frame] = x->tpl_keep_ref_frame[frame] ||
                           !prune_ref_by_selective_ref_frame(cpi, x, refs);
     }
-#else
-    for (MV_REFERENCE_FRAME frame = LAST_FRAME; frame < REF_FRAMES; frame++) {
-      const MV_REFERENCE_FRAME refs[2] = { frame, NONE_FRAME };
-      valid_refs[frame - 1] =
-          x->tpl_keep_ref_frame[frame] ||
-          !prune_ref_by_selective_ref_frame(
-              cpi, x, refs, cm->cur_frame->ref_display_order_hint);
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
     av1_zero(inter_cost_info_from_tpl);
     get_block_level_tpl_stats(cpi, bsize, mi_row, mi_col, valid_refs,
                               &inter_cost_info_from_tpl);
@@ -9201,7 +8165,6 @@
   // with av1_default_mode_order to get the enum that defines the mode, which
   // can be used with av1_mode_defs to get the prediction mode and the ref
   // frames.
-#if CONFIG_NEW_REF_SIGNALING
   for (PREDICTION_MODE this_mode = 0; this_mode < MB_MODE_COUNT; ++this_mode) {
 #if CONFIG_TIP
     for (MV_REFERENCE_FRAME rf = NONE_FRAME;
@@ -9254,30 +8217,6 @@
 
         const int is_single_pred =
             ref_frame != INTRA_FRAME && second_ref_frame == NONE_FRAME;
-#else
-
-  for (THR_MODES midx = THR_MODE_START; midx < THR_MODE_END; ++midx) {
-    // Get the actual prediction mode we are trying in this iteration
-    const THR_MODES mode_enum = av1_default_mode_order[midx];
-    const MODE_DEFINITION *mode_def = &av1_mode_defs[mode_enum];
-    const PREDICTION_MODE this_mode = mode_def->mode;
-    const MV_REFERENCE_FRAME *ref_frames = mode_def->ref_frame;
-#if CONFIG_TIP
-    if (is_tip_mode(mode_enum) &&
-#if CONFIG_EXT_RECUR_PARTITIONS
-        (!is_tip_allowed_bsize(mbmi) ||
-#else   // CONFIG_EXT_RECUR_PARTITIONS
-        (!is_tip_allowed_bsize(bsize) ||
-#endif  // CONFIG_EXT_RECUR_PARTITIONS
-         !cm->features.tip_frame_mode))
-      continue;
-#endif  // CONFIG_TIP
-
-    const MV_REFERENCE_FRAME ref_frame = ref_frames[0];
-    const MV_REFERENCE_FRAME second_ref_frame = ref_frames[1];
-    const int is_single_pred =
-        is_inter_ref_frame(ref_frame) && second_ref_frame == NONE_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
         const int comp_pred = is_inter_ref_frame(second_ref_frame);
 
 #if CONFIG_IBC_SR_EXT
@@ -9289,12 +8228,12 @@
 
         );
 #else
-    init_mbmi(mbmi, this_mode, ref_frames, cm
+        init_mbmi(mbmi, this_mode, ref_frames, cm
 #if CONFIG_FLEX_MVRES
-              ,
-              xd->sbi
+                  ,
+                  xd->sbi
 #endif
-    );
+        );
 #endif  // CONFIG_IBC_SR_EXT
 
 #if CONFIG_WARPMV
@@ -9331,12 +8270,7 @@
         set_ref_ptrs(cm, xd, ref_frame, second_ref_frame);
 
         // Apply speed features to decide if this inter mode can be skipped
-        if (skip_inter_mode(cpi, x, bsize, ref_frame_rd,
-#if CONFIG_NEW_REF_SIGNALING
-                            this_mode, ref_frames,
-#else
-                        midx,
-#endif  // CONFIG_NEW_REF_SIGNALING
+        if (skip_inter_mode(cpi, x, bsize, ref_frame_rd, this_mode, ref_frames,
                             &sf_args))
           continue;
 
@@ -9361,16 +8295,10 @@
 
         // Select prediction reference frames.
         for (i = 0; i < num_planes; i++) {
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
           xd->plane[i].pre[0] = yv12_mb[COMPACT_INDEX0_NRS(ref_frame)][i];
           if (comp_pred)
             xd->plane[i].pre[1] =
                 yv12_mb[COMPACT_INDEX0_NRS(second_ref_frame)][i];
-
-#else
-      xd->plane[i].pre[0] = yv12_mb[ref_frame][i];
-      if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         }
 
 #if CONFIG_FORWARDSKIP
@@ -9393,11 +8321,7 @@
         RD_STATS rd_stats, rd_stats_y, rd_stats_uv;
         av1_init_rd_stats(&rd_stats);
 
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
         const int ref_frame_index = COMPACT_INDEX0_NRS(ref_frame);
-#else
-    const int ref_frame_index = ref_frame;
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
 
         const int ref_frame_cost =
             comp_pred ? ref_costs_comp[ref_frame][second_ref_frame]
@@ -9463,12 +8387,8 @@
 #endif  // CONFIG_OPTFLOW_ON_TIP
           assert(IMPLIES(comp_pred,
                          cm->current_frame.reference_mode != SINGLE_REFERENCE));
-#if CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
           search_state.best_pred_sse =
               x->pred_sse[COMPACT_INDEX0_NRS(ref_frame)];
-#else
-      search_state.best_pred_sse = x->pred_sse[ref_frame];
-#endif  // CONFIG_NEW_REF_SIGNALING || CONFIG_TIP
           update_search_state(&search_state, rd_cost, ctx, &rd_stats,
                               &rd_stats_y, &rd_stats_uv, this_mode, x,
                               do_tx_search
@@ -9493,10 +8413,8 @@
                              comp_pred, x->rdmult, &search_state,
                              compmode_cost);
 
-#if CONFIG_NEW_REF_SIGNALING
       }  // end of ref1 loop
     }    // end of ref0 loop
-#endif   // CONFIG_NEW_REF_SIGNALING
   }      // end of mode loop
 
   if (cpi->sf.winner_mode_sf.motion_mode_for_winner_cand) {
@@ -9560,11 +8478,7 @@
     }
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   const unsigned int intra_ref_frame_cost = ref_costs_single[INTRA_FRAME_INDEX];
-#else
-  const unsigned int intra_ref_frame_cost = ref_costs_single[INTRA_FRAME];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int64_t best_model_rd = INT64_MAX;
   int64_t top_intra_model_rd[TOP_INTRA_MODEL_COUNT];
   for (i = 0; i < TOP_INTRA_MODEL_COUNT; i++) {
@@ -9655,15 +8569,7 @@
 
         const PREDICTION_MODE this_mode = mbmi->mode;
 
-#if CONFIG_NEW_REF_SIGNALING
         MV_REFERENCE_FRAME refs[2] = { INTRA_FRAME, NONE_FRAME };
-#else
-      THR_MODES mode_enum = mbmi->mode + THR_DC;
-      MV_REFERENCE_FRAME refs[2] = { av1_mode_defs[mode_enum].ref_frame[0],
-                                     av1_mode_defs[mode_enum].ref_frame[1] };
-      assert(av1_mode_defs[mode_enum].ref_frame[0] == INTRA_FRAME);
-      assert(av1_mode_defs[mode_enum].ref_frame[1] == NONE_FRAME);
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_IBC_SR_EXT
         init_mbmi(mbmi, this_mode, refs, cm, xd
@@ -9771,25 +8677,12 @@
   search_state.best_mbmode.skip_mode = 0;
   if (cm->current_frame.skip_mode_info.skip_mode_flag &&
       is_comp_ref_allowed(bsize)) {
-#if CONFIG_NEW_REF_SIGNALING
 #if CONFIG_SKIP_MODE_ENHANCEMENT
     rd_pick_motion_copy_mode(&search_state, cpi, x, bsize, yv12_mb, ctx,
                              rd_cost);
 #else
     rd_pick_skip_mode(rd_cost, &search_state, cpi, x, bsize, yv12_mb);
 #endif  // CONFIG_SKIP_MODE_ENHANCEMENT
-#else
-    const struct segmentation *const seg = &cm->seg;
-    unsigned char segment_id = mbmi->segment_id;
-    if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) {
-#if CONFIG_SKIP_MODE_ENHANCEMENT
-      rd_pick_motion_copy_mode(&search_state, cpi, x, bsize, yv12_mb, ctx,
-                               rd_cost);
-#else
-      rd_pick_skip_mode(rd_cost, &search_state, cpi, x, bsize, yv12_mb);
-#endif  // CONFIG_SKIP_MODE_ENHANCEMENT
-    }
-#endif  // CONFIG_NEW_REF_SIGNALING
   }
 
 #if CONFIG_IBC_SR_EXT
@@ -9865,9 +8758,6 @@
   if (!cpi->rc.is_src_frame_alt_ref && cpi->sf.inter_sf.adaptive_rd_thresh) {
     av1_update_rd_thresh_fact(cm, x->thresh_freq_fact,
                               sf->inter_sf.adaptive_rd_thresh, bsize,
-#if !CONFIG_NEW_REF_SIGNALING
-                              search_state.best_mbmode.ref_frame,
-#endif  // !CONFIG_NEW_REF_SIGNALING
                               search_state.best_mbmode.mode);
   }
   // macroblock modes
@@ -9940,18 +8830,6 @@
   }
 #endif  // CONFIG_WARP_REF_LIST
 
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  const THR_MODES best_mode_enum = get_prediction_mode_idx(
-      search_state.best_mbmode.mode, search_state.best_mbmode.ref_frame[0],
-      search_state.best_mbmode.ref_frame[1]);
-  store_coding_context(x, ctx, best_mode_enum, search_state.best_pred_diff,
-                       search_state.best_mode_skippable
-#if CONFIG_C071_SUBBLK_WARPMV
-                       ,
-                       cm
-#endif  // CONFIG_C071_SUBBLK_WARPMV
-  );
-#else
   store_coding_context(x, ctx, search_state.best_pred_diff,
                        search_state.best_mode_skippable
 #if CONFIG_C071_SUBBLK_WARPMV
@@ -9959,7 +8837,6 @@
                        cm
 #endif  // CONFIG_C071_SUBBLK_WARPMV
   );
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 
   if (mbmi->palette_mode_info.palette_size[1] > 0) {
     assert(try_palette);
@@ -10000,11 +8877,7 @@
                            ref_costs_comp);
 
   for (i = 0; i < REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX;
-#if CONFIG_NEW_REF_SIGNALING
   for (i = 0; i < REF_FRAMES; ++i) x->pred_mv_sad[i] = INT_MAX;
-#else
-  for (i = LAST_FRAME; i < REF_FRAMES; ++i) x->pred_mv_sad[i] = INT_MAX;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_TIP
   x->pred_sse[TIP_FRAME_INDEX] = INT_MAX;
@@ -10021,15 +8894,8 @@
   mbmi->mode = GLOBALMV;
   mbmi->motion_mode = SIMPLE_TRANSLATION;
   mbmi->uv_mode = UV_DC_PRED;
-#if CONFIG_NEW_REF_SIGNALING
   const MV_REFERENCE_FRAME last_frame = get_closest_pastcur_ref_index(cm);
   mbmi->ref_frame[0] = last_frame;
-#else
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME))
-    mbmi->ref_frame[0] = get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME);
-  else
-    mbmi->ref_frame[0] = LAST_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
   mbmi->ref_frame[1] = NONE_FRAME;
 #if CONFIG_TIP
   if (is_tip_ref_frame(mbmi->ref_frame[0])) {
@@ -10118,14 +8984,10 @@
   if (cm->current_frame.reference_mode == REFERENCE_MODE_SELECT)
     rate2 += comp_inter_cost[comp_pred];
 
-    // Estimate the reference frame signaling cost and add it
-    // to the rolling cost variable.
+  // Estimate the reference frame signaling cost and add it
+  // to the rolling cost variable.
 
-#if CONFIG_NEW_REF_SIGNALING
   rate2 += ref_costs_single[last_frame];
-#else
-  rate2 += ref_costs_single[LAST_FRAME];
-#endif  // CONFIG_NEW_REF_SIGNALING
   this_rd = RDCOST(x->rdmult, rate2, distortion2);
 
   rd_cost->rate = rate2;
@@ -10141,34 +9003,19 @@
   assert((interp_filter == SWITCHABLE) || (interp_filter == mbmi->interp_fltr));
 
   if (cpi->sf.inter_sf.adaptive_rd_thresh) {
-#if !CONFIG_NEW_REF_SIGNALING
-    MV_REFERENCE_FRAME global_mv_refs[2] = { LAST_FRAME, INTRA_FRAME };
-#endif  // !CONFIG_NEW_REF_SIGNALING
     av1_update_rd_thresh_fact(cm, x->thresh_freq_fact,
                               cpi->sf.inter_sf.adaptive_rd_thresh, bsize,
-#if !CONFIG_NEW_REF_SIGNALING
-                              global_mv_refs,
-#endif  // !CONFIG_NEW_REF_SIGNALING
                               GLOBALMV);
   }
 
   av1_zero(best_pred_diff);
 
-#if CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
-  store_coding_context(x, ctx, THR_GLOBALMV, best_pred_diff, 0
-#if CONFIG_C071_SUBBLK_WARPMV
-                       ,
-                       cm
-#endif  // CONFIG_C071_SUBBLK_WARPMV
-  );
-#else
   store_coding_context(x, ctx, best_pred_diff, 0
 #if CONFIG_C071_SUBBLK_WARPMV
                        ,
                        cm
 #endif  // CONFIG_C071_SUBBLK_WARPMV
   );
-#endif  // CONFIG_INTERNAL_STATS && !CONFIG_NEW_REF_SIGNALING
 }
 
 /*!\cond */
diff --git a/av1/encoder/rdopt.h b/av1/encoder/rdopt.h
index efdf7ab..47685f4 100644
--- a/av1/encoder/rdopt.h
+++ b/av1/encoder/rdopt.h
@@ -192,7 +192,6 @@
          USABLE_REF_MV_STACK_SIZE * sizeof(xd->ref_mv_stack[0][0]));
 }
 
-#if CONFIG_NEW_REF_SIGNALING
 #define PRUNE_SINGLE_REFS 0
 static INLINE int prune_ref_by_selective_ref_frame(
     const AV1_COMP *const cpi, const MACROBLOCK *const x,
@@ -298,69 +297,6 @@
   }
   return 0;
 }
-#else
-// This function prunes the mode if either of the reference frame falls in the
-// pruning list
-static INLINE int prune_ref(const MV_REFERENCE_FRAME *const ref_frame,
-                            const unsigned int *const ref_display_order_hint,
-                            const unsigned int frame_display_order_hint,
-                            const int *ref_frame_list) {
-  for (int i = 0; i < 2; i++) {
-    if (ref_frame_list[i] == NONE_FRAME) continue;
-
-    if (ref_frame[0] == ref_frame_list[i] ||
-        ref_frame[1] == ref_frame_list[i]) {
-      if (av1_encoder_get_relative_dist(
-              ref_display_order_hint[ref_frame_list[i] - LAST_FRAME],
-              frame_display_order_hint) < 0)
-        return 1;
-    }
-  }
-  return 0;
-}
-
-static INLINE int prune_ref_by_selective_ref_frame(
-    const AV1_COMP *const cpi, const MACROBLOCK *const x,
-    const MV_REFERENCE_FRAME *const ref_frame,
-    const unsigned int *const ref_display_order_hint) {
-  const SPEED_FEATURES *const sf = &cpi->sf;
-
-  if (!sf->inter_sf.selective_ref_frame) return 0;
-
-  const int comp_pred = is_inter_ref_frame(ref_frame[1]);
-
-  if (sf->inter_sf.selective_ref_frame >= 2 ||
-      (sf->inter_sf.selective_ref_frame == 1 && comp_pred)) {
-    int ref_frame_list[2] = { LAST3_FRAME, LAST2_FRAME };
-
-    if (x != NULL) {
-      if (x->tpl_keep_ref_frame[LAST3_FRAME]) ref_frame_list[0] = NONE_FRAME;
-      if (x->tpl_keep_ref_frame[LAST2_FRAME]) ref_frame_list[1] = NONE_FRAME;
-    }
-
-    if (prune_ref(ref_frame, ref_display_order_hint,
-                  ref_display_order_hint[GOLDEN_FRAME - LAST_FRAME],
-                  ref_frame_list))
-      return 1;
-  }
-
-  if (sf->inter_sf.selective_ref_frame >= 3) {
-    int ref_frame_list[2] = { ALTREF2_FRAME, BWDREF_FRAME };
-
-    if (x != NULL) {
-      if (x->tpl_keep_ref_frame[ALTREF2_FRAME]) ref_frame_list[0] = NONE_FRAME;
-      if (x->tpl_keep_ref_frame[BWDREF_FRAME]) ref_frame_list[1] = NONE_FRAME;
-    }
-
-    if (prune_ref(ref_frame, ref_display_order_hint,
-                  ref_display_order_hint[LAST_FRAME - LAST_FRAME],
-                  ref_frame_list))
-      return 1;
-  }
-
-  return 0;
-}
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 // This function will copy the best reference mode information from
 // MB_MODE_INFO_EXT to MB_MODE_INFO_EXT_FRAME.
diff --git a/av1/encoder/rdopt_data_defs.h b/av1/encoder/rdopt_data_defs.h
deleted file mode 100644
index 6696cb6..0000000
--- a/av1/encoder/rdopt_data_defs.h
+++ /dev/null
@@ -1,453 +0,0 @@
-/*
- * Copyright (c) 2021, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 3-Clause Clear License
- * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
- * License was not distributed with this source code in the LICENSE file, you
- * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the
- * Alliance for Open Media Patent License 1.0 was not distributed with this
- * source code in the PATENTS file, you can obtain it at
- * aomedia.org/license/patent-license/.
- */
-
-#ifndef AOM_AV1_ENCODER_RDOPT_DATA_DEFS_H_
-#define AOM_AV1_ENCODER_RDOPT_DATA_DEFS_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static const THR_MODES intra_to_mode_idx[INTRA_MODE_NUM] = {
-  THR_DC,         // DC_PRED,
-  THR_V_PRED,     // V_PRED,
-  THR_H_PRED,     // H_PRED,
-  THR_D45_PRED,   // D45_PRED,
-  THR_D135_PRED,  // D135_PRED,
-  THR_D113_PRED,  // D113_PRED,
-  THR_D157_PRED,  // D157_PRED,
-  THR_D203_PRED,  // D203_PRED,
-  THR_D67_PRED,   // D67_PRED,
-  THR_SMOOTH,     // SMOOTH_PRED,
-  THR_SMOOTH_V,   // SMOOTH_V_PRED,
-  THR_SMOOTH_H,   // SMOOTH_H_PRED,
-  THR_PAETH,      // PAETH_PRED,
-};
-
-/* clang-format off */
-#if CONFIG_TIP
-static const THR_MODES single_inter_to_mode_idx[SINGLE_INTER_MODE_NUM]
-  [EXTREF_FRAMES] = {
-    // NEARMV,
-    { THR_INVALID, THR_NEARMV, THR_NEARL2, THR_NEARL3,
-      THR_NEARG, THR_NEARB, THR_NEARA2, THR_NEARA, THR_NEAR_TIP, },
-    // GLOBALMV,
-    { THR_INVALID, THR_GLOBALMV, THR_GLOBALL2, THR_GLOBALL3,
-      THR_GLOBALG, THR_GLOBALB, THR_GLOBALA2, THR_GLOBALA, },
-    // NEWMV,
-    { THR_INVALID, THR_NEWMV, THR_NEWL2, THR_NEWL3,
-      THR_NEWG, THR_NEWB, THR_NEWA2, THR_NEWA, THR_NEW_TIP, },
-#if IMPROVED_AMVD
-    // AMVDNEWMV,
-    { THR_INVALID, THR_AMVDNEWMV, THR_AMVDNEWL2, THR_AMVDNEWL3,
-      THR_AMVDNEWG, THR_AMVDNEWB, THR_AMVDNEWA2, THR_AMVDNEWA,
-      THR_AMVDNEW_TIP },
-#endif // IMPROVED_AMVD
-};
-#else
-static const THR_MODES single_inter_to_mode_idx[SINGLE_INTER_MODE_NUM]
-    [REF_FRAMES] = {
-        // NEARMV,
-        { THR_INVALID, THR_NEARMV, THR_NEARL2, THR_NEARL3,
-        THR_NEARG, THR_NEARB, THR_NEARA2, THR_NEARA, },
-        // GLOBALMV,
-        { THR_INVALID, THR_GLOBALMV, THR_GLOBALL2, THR_GLOBALL3,
-        THR_GLOBALG, THR_GLOBALB, THR_GLOBALA2, THR_GLOBALA, },
-        // NEWMV,
-        { THR_INVALID, THR_NEWMV, THR_NEWL2, THR_NEWL3,
-        THR_NEWG, THR_NEWB, THR_NEWA2, THR_NEWA, },
-#if IMPROVED_AMVD
-        // AMVDNEWMV,
-        { THR_INVALID, THR_AMVDNEWMV, THR_AMVDNEWL2, THR_AMVDNEWL3,
-        THR_AMVDNEWG, THR_AMVDNEWB, THR_AMVDNEWA2, THR_AMVDNEWA, },
-#endif // IMPROVED_AMVD
-};
-#endif  // CONFIG_TIP
-/* clang-format on */
-
-/* clang-format off */
-static const THR_MODES comp_inter_to_mode_idx[COMP_INTER_MODE_NUM][REF_FRAMES]
-    [REF_FRAMES] = {
-        // NEAR_NEARMV,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID,
-            THR_COMP_NEAR_NEARLL2, THR_COMP_NEAR_NEARLL3,
-            THR_COMP_NEAR_NEARLG, THR_COMP_NEAR_NEARLB,
-            THR_COMP_NEAR_NEARLA2, THR_COMP_NEAR_NEARLA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEARL2B,
-            THR_COMP_NEAR_NEARL2A2, THR_COMP_NEAR_NEARL2A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEARL3B,
-            THR_COMP_NEAR_NEARL3A2, THR_COMP_NEAR_NEARL3A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEARGB,
-            THR_COMP_NEAR_NEARGA2, THR_COMP_NEAR_NEARGA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEARBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // NEAR_NEWMV,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID,
-            THR_COMP_NEAR_NEWLL2, THR_COMP_NEAR_NEWLL3,
-            THR_COMP_NEAR_NEWLG, THR_COMP_NEAR_NEWLB,
-            THR_COMP_NEAR_NEWLA2, THR_COMP_NEAR_NEWLA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEWL2B,
-            THR_COMP_NEAR_NEWL2A2, THR_COMP_NEAR_NEWL2A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEWL3B,
-            THR_COMP_NEAR_NEWL3A2, THR_COMP_NEAR_NEWL3A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEWGB,
-            THR_COMP_NEAR_NEWGA2, THR_COMP_NEAR_NEWGA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEAR_NEWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // NEW_NEARMV,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID,
-            THR_COMP_NEW_NEARLL2, THR_COMP_NEW_NEARLL3,
-            THR_COMP_NEW_NEARLG, THR_COMP_NEW_NEARLB,
-            THR_COMP_NEW_NEARLA2, THR_COMP_NEW_NEARLA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEARL2B,
-            THR_COMP_NEW_NEARL2A2, THR_COMP_NEW_NEARL2A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEARL3B,
-            THR_COMP_NEW_NEARL3A2, THR_COMP_NEW_NEARL3A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEARGB,
-            THR_COMP_NEW_NEARGA2, THR_COMP_NEW_NEARGA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEARBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // GLOBAL_GLOBALMV,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID,
-            THR_COMP_GLOBAL_GLOBALLL2, THR_COMP_GLOBAL_GLOBALLL3,
-            THR_COMP_GLOBAL_GLOBALLG, THR_COMP_GLOBAL_GLOBALLB,
-            THR_COMP_GLOBAL_GLOBALLA2, THR_COMP_GLOBAL_GLOBALLA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_GLOBAL_GLOBALL2B,
-            THR_COMP_GLOBAL_GLOBALL2A2, THR_COMP_GLOBAL_GLOBALL2A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_GLOBAL_GLOBALL3B,
-            THR_COMP_GLOBAL_GLOBALL3A2, THR_COMP_GLOBAL_GLOBALL3A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_GLOBAL_GLOBALGB,
-            THR_COMP_GLOBAL_GLOBALGA2, THR_COMP_GLOBAL_GLOBALGA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_GLOBAL_GLOBALBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // NEW_NEWMV,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID,
-            THR_COMP_NEW_NEWLL2, THR_COMP_NEW_NEWLL3,
-            THR_COMP_NEW_NEWLG, THR_COMP_NEW_NEWLB,
-            THR_COMP_NEW_NEWLA2, THR_COMP_NEW_NEWLA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEWL2B,
-            THR_COMP_NEW_NEWL2A2, THR_COMP_NEW_NEWL2A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEWL3B,
-            THR_COMP_NEW_NEWL3A2, THR_COMP_NEW_NEWL3A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEWGB,
-            THR_COMP_NEW_NEWGA2, THR_COMP_NEW_NEWGA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_NEW_NEWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-#if CONFIG_JOINT_MVD
-        // JOINT_NEWMV,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID,
-            THR_COMP_JOINT_NEWLL2, THR_COMP_JOINT_NEWLL3,
-            THR_COMP_JOINT_NEWLG, THR_COMP_JOINT_NEWLB,
-            THR_COMP_JOINT_NEWLA2, THR_COMP_JOINT_NEWLA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_JOINT_NEWL2B,
-            THR_COMP_JOINT_NEWL2A2, THR_COMP_JOINT_NEWL2A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_JOINT_NEWL3B,
-            THR_COMP_JOINT_NEWL3A2, THR_COMP_JOINT_NEWL3A, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_JOINT_NEWGB,
-            THR_COMP_JOINT_NEWGA2, THR_COMP_JOINT_NEWGA, },
-            { THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_COMP_JOINT_NEWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-            THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-#if IMPROVED_AMVD
-        // JOINT_AMVDNEWMV,
-            {
-                { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID, THR_INVALID, },
-                { THR_INVALID, THR_INVALID,
-                THR_COMP_JOINT_AMVDNEWLL2, THR_COMP_JOINT_AMVDNEWLL3,
-                THR_COMP_JOINT_AMVDNEWLG, THR_COMP_JOINT_AMVDNEWLB,
-                THR_COMP_JOINT_AMVDNEWLA2, THR_COMP_JOINT_AMVDNEWLA, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_AMVDNEWL2B,
-                THR_COMP_JOINT_AMVDNEWL2A2, THR_COMP_JOINT_AMVDNEWL2A, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_AMVDNEWL3B,
-                THR_COMP_JOINT_AMVDNEWL3A2, THR_COMP_JOINT_AMVDNEWL3A, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_AMVDNEWGB,
-                THR_COMP_JOINT_AMVDNEWGA2, THR_COMP_JOINT_AMVDNEWGA, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_AMVDNEWBA, },
-                { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID, THR_INVALID, },
-                { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID, THR_INVALID, },
-            },
-#endif // IMPROVED_AMVD
-#endif // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-        // NEAR_NEARMV_OPTFLOW,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_COMP_NEAR_NEAR_OPTFLOWLL2,
-              THR_COMP_NEAR_NEAR_OPTFLOWLL3, THR_COMP_NEAR_NEAR_OPTFLOWLG,
-              THR_COMP_NEAR_NEAR_OPTFLOWLB, THR_COMP_NEAR_NEAR_OPTFLOWLA2,
-              THR_COMP_NEAR_NEAR_OPTFLOWLA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEAR_NEAR_OPTFLOWL2B, THR_COMP_NEAR_NEAR_OPTFLOWL2A2,
-              THR_COMP_NEAR_NEAR_OPTFLOWL2A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEAR_NEAR_OPTFLOWL3B, THR_COMP_NEAR_NEAR_OPTFLOWL3A2,
-              THR_COMP_NEAR_NEAR_OPTFLOWL3A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEAR_NEAR_OPTFLOWGB, THR_COMP_NEAR_NEAR_OPTFLOWGA2,
-              THR_COMP_NEAR_NEAR_OPTFLOWGA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_COMP_NEAR_NEAR_OPTFLOWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // NEAR_NEWMV_OPTFLOW,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_COMP_NEAR_NEW_OPTFLOWLL2,
-              THR_COMP_NEAR_NEW_OPTFLOWLL3, THR_COMP_NEAR_NEW_OPTFLOWLG,
-              THR_COMP_NEAR_NEW_OPTFLOWLB, THR_COMP_NEAR_NEW_OPTFLOWLA2,
-              THR_COMP_NEAR_NEW_OPTFLOWLA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEAR_NEW_OPTFLOWL2B, THR_COMP_NEAR_NEW_OPTFLOWL2A2,
-              THR_COMP_NEAR_NEW_OPTFLOWL2A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEAR_NEW_OPTFLOWL3B, THR_COMP_NEAR_NEW_OPTFLOWL3A2,
-              THR_COMP_NEAR_NEW_OPTFLOWL3A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEAR_NEW_OPTFLOWGB, THR_COMP_NEAR_NEW_OPTFLOWGA2,
-              THR_COMP_NEAR_NEW_OPTFLOWGA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_COMP_NEAR_NEW_OPTFLOWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // NEW_NEARMV_OPTFLOW,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_COMP_NEW_NEAR_OPTFLOWLL2,
-              THR_COMP_NEW_NEAR_OPTFLOWLL3, THR_COMP_NEW_NEAR_OPTFLOWLG,
-              THR_COMP_NEW_NEAR_OPTFLOWLB, THR_COMP_NEW_NEAR_OPTFLOWLA2,
-              THR_COMP_NEW_NEAR_OPTFLOWLA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEW_NEAR_OPTFLOWL2B, THR_COMP_NEW_NEAR_OPTFLOWL2A2,
-              THR_COMP_NEW_NEAR_OPTFLOWL2A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEW_NEAR_OPTFLOWL3B, THR_COMP_NEW_NEAR_OPTFLOWL3A2,
-              THR_COMP_NEW_NEAR_OPTFLOWL3A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEW_NEAR_OPTFLOWGB, THR_COMP_NEW_NEAR_OPTFLOWGA2,
-              THR_COMP_NEW_NEAR_OPTFLOWGA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_COMP_NEW_NEAR_OPTFLOWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-        // NEW_NEWMV_OPTFLOW,
-        {
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_COMP_NEW_NEW_OPTFLOWLL2,
-              THR_COMP_NEW_NEW_OPTFLOWLL3, THR_COMP_NEW_NEW_OPTFLOWLG,
-              THR_COMP_NEW_NEW_OPTFLOWLB, THR_COMP_NEW_NEW_OPTFLOWLA2,
-              THR_COMP_NEW_NEW_OPTFLOWLA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEW_NEW_OPTFLOWL2B, THR_COMP_NEW_NEW_OPTFLOWL2A2,
-              THR_COMP_NEW_NEW_OPTFLOWL2A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEW_NEW_OPTFLOWL3B, THR_COMP_NEW_NEW_OPTFLOWL3A2,
-              THR_COMP_NEW_NEW_OPTFLOWL3A, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_COMP_NEW_NEW_OPTFLOWGB, THR_COMP_NEW_NEW_OPTFLOWGA2,
-              THR_COMP_NEW_NEW_OPTFLOWGA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_COMP_NEW_NEW_OPTFLOWBA, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-            { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-              THR_INVALID, THR_INVALID, THR_INVALID, },
-        },
-#if CONFIG_JOINT_MVD
-        // JOINT_NEWMV_OPTFLOW,
-            {
-                { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID, THR_INVALID, },
-                { THR_INVALID, THR_INVALID,
-                THR_COMP_JOINT_NEW_OPTFLOWLL2, THR_COMP_JOINT_NEW_OPTFLOWLL3,
-                THR_COMP_JOINT_NEW_OPTFLOWLG,  THR_COMP_JOINT_NEW_OPTFLOWLB,
-                THR_COMP_JOINT_NEW_OPTFLOWLA2, THR_COMP_JOINT_NEW_OPTFLOWLA, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_NEW_OPTFLOWL2B,
-                THR_COMP_JOINT_NEW_OPTFLOWL2A2, THR_COMP_JOINT_NEW_OPTFLOWL2A, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_NEW_OPTFLOWL3B,
-                THR_COMP_JOINT_NEW_OPTFLOWL3A2, THR_COMP_JOINT_NEW_OPTFLOWL3A, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_NEW_OPTFLOWGB,
-                THR_COMP_JOINT_NEW_OPTFLOWGA2, THR_COMP_JOINT_NEW_OPTFLOWGA, },
-                { THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_COMP_JOINT_NEW_OPTFLOWBA, },
-                { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID, THR_INVALID, },
-                { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                THR_INVALID, THR_INVALID, THR_INVALID, },
-            },
-#if IMPROVED_AMVD
-            // JOINT_AMVDNEWMV_OPTFLOW,
-              {
-                  { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID, THR_INVALID, },
-                  { THR_INVALID, THR_INVALID,
-                  THR_COMP_JOINT_AMVDNEW_OPTFLOWLL2, THR_COMP_JOINT_AMVDNEW_OPTFLOWLL3,
-                  THR_COMP_JOINT_AMVDNEW_OPTFLOWLG,  THR_COMP_JOINT_AMVDNEW_OPTFLOWLB,
-                  THR_COMP_JOINT_AMVDNEW_OPTFLOWLA2, THR_COMP_JOINT_AMVDNEW_OPTFLOWLA, },
-                  { THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_COMP_JOINT_AMVDNEW_OPTFLOWL2B,
-                  THR_COMP_JOINT_AMVDNEW_OPTFLOWL2A2, THR_COMP_JOINT_AMVDNEW_OPTFLOWL2A, },
-                  { THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_COMP_JOINT_AMVDNEW_OPTFLOWL3B,
-                  THR_COMP_JOINT_AMVDNEW_OPTFLOWL3A2, THR_COMP_JOINT_AMVDNEW_OPTFLOWL3A, },
-                  { THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_COMP_JOINT_AMVDNEW_OPTFLOWGB,
-                  THR_COMP_JOINT_AMVDNEW_OPTFLOWGA2, THR_COMP_JOINT_AMVDNEW_OPTFLOWGA, },
-                  { THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_COMP_JOINT_AMVDNEW_OPTFLOWBA, },
-                  { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID, THR_INVALID, },
-                  { THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID, THR_INVALID,
-                  THR_INVALID, THR_INVALID, THR_INVALID, },
-              },
-#endif // IMPROVED_AMVD
-#endif // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-};
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // AOM_AV1_ENCODER_RDOPT_DATA_DEFS_H_
diff --git a/av1/encoder/rdopt_utils.h b/av1/encoder/rdopt_utils.h
index 476b73e..de13e91 100644
--- a/av1/encoder/rdopt_utils.h
+++ b/av1/encoder/rdopt_utils.h
@@ -17,9 +17,6 @@
 #include "av1/encoder/block.h"
 #include "av1/common/cfl.h"
 #include "av1/common/pred_common.h"
-#if !CONFIG_NEW_REF_SIGNALING
-#include "av1/encoder/rdopt_data_defs.h"
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
 #ifdef __cplusplus
 extern "C" {
@@ -34,486 +31,6 @@
   MV_REFERENCE_FRAME ref_frame[2];
 } MODE_DEFINITION;
 
-#if !CONFIG_NEW_REF_SIGNALING
-// This array defines the mapping from the enums in THR_MODES to the actual
-// prediction modes and refrence frames
-static const MODE_DEFINITION av1_mode_defs[MAX_MODES] = {
-  { NEARMV, { LAST_FRAME, NONE_FRAME } },
-  { NEARMV, { LAST2_FRAME, NONE_FRAME } },
-  { NEARMV, { LAST3_FRAME, NONE_FRAME } },
-  { NEARMV, { BWDREF_FRAME, NONE_FRAME } },
-  { NEARMV, { ALTREF2_FRAME, NONE_FRAME } },
-  { NEARMV, { ALTREF_FRAME, NONE_FRAME } },
-  { NEARMV, { GOLDEN_FRAME, NONE_FRAME } },
-
-  { NEWMV, { LAST_FRAME, NONE_FRAME } },
-  { NEWMV, { LAST2_FRAME, NONE_FRAME } },
-  { NEWMV, { LAST3_FRAME, NONE_FRAME } },
-  { NEWMV, { BWDREF_FRAME, NONE_FRAME } },
-  { NEWMV, { ALTREF2_FRAME, NONE_FRAME } },
-  { NEWMV, { ALTREF_FRAME, NONE_FRAME } },
-  { NEWMV, { GOLDEN_FRAME, NONE_FRAME } },
-
-  { GLOBALMV, { LAST_FRAME, NONE_FRAME } },
-  { GLOBALMV, { LAST2_FRAME, NONE_FRAME } },
-  { GLOBALMV, { LAST3_FRAME, NONE_FRAME } },
-  { GLOBALMV, { BWDREF_FRAME, NONE_FRAME } },
-  { GLOBALMV, { ALTREF2_FRAME, NONE_FRAME } },
-  { GLOBALMV, { GOLDEN_FRAME, NONE_FRAME } },
-  { GLOBALMV, { ALTREF_FRAME, NONE_FRAME } },
-
-#if IMPROVED_AMVD
-  { AMVDNEWMV, { LAST_FRAME, NONE_FRAME } },
-  { AMVDNEWMV, { LAST2_FRAME, NONE_FRAME } },
-  { AMVDNEWMV, { LAST3_FRAME, NONE_FRAME } },
-  { AMVDNEWMV, { BWDREF_FRAME, NONE_FRAME } },
-  { AMVDNEWMV, { ALTREF2_FRAME, NONE_FRAME } },
-  { AMVDNEWMV, { GOLDEN_FRAME, NONE_FRAME } },
-  { AMVDNEWMV, { ALTREF_FRAME, NONE_FRAME } },
-#endif  // IMPROVED_AMVD
-
-  // TODO(zoeliu): May need to reconsider the order on the modes to check
-  { NEAR_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
-  { NEAR_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
-  { NEAR_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
-  { NEAR_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { NEAR_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
-  { NEAR_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
-  { NEAR_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
-  { NEAR_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { NEAR_NEARMV, { LAST_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEARMV, { LAST2_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEARMV, { LAST3_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEARMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-
-  { NEAR_NEARMV, { LAST_FRAME, LAST2_FRAME } },
-  { NEAR_NEARMV, { LAST_FRAME, LAST3_FRAME } },
-  { NEAR_NEARMV, { LAST_FRAME, GOLDEN_FRAME } },
-  { NEAR_NEARMV, { BWDREF_FRAME, ALTREF_FRAME } },
-
-  { NEW_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST_FRAME, ALTREF_FRAME } },
-#endif
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST_FRAME, ALTREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST2_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST2_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST2_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST2_FRAME, ALTREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST2_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST2_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST2_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST2_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST3_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST3_FRAME, ALTREF_FRAME } },
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST3_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST3_FRAME, ALTREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST3_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST3_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST3_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST3_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { GLOBAL_GLOBALMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { GOLDEN_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST_FRAME, BWDREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST2_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST2_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST2_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST2_FRAME, BWDREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST2_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST2_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST2_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST2_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST3_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST3_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST3_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST3_FRAME, BWDREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST3_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST3_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST3_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST3_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { GLOBAL_GLOBALMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { GOLDEN_FRAME, BWDREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { GOLDEN_FRAME, BWDREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { GOLDEN_FRAME, BWDREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { GOLDEN_FRAME, BWDREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV, { LAST_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV, { LAST_FRAME, ALTREF2_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST_FRAME, ALTREF2_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST2_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST2_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST2_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST2_FRAME, ALTREF2_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST2_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST2_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST2_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST2_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST3_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST3_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST3_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST3_FRAME, ALTREF2_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST3_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST3_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST3_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST3_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-  { GLOBAL_GLOBALMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { GOLDEN_FRAME, ALTREF2_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF2_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { GOLDEN_FRAME, ALTREF2_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { GOLDEN_FRAME, ALTREF2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST_FRAME, LAST2_FRAME } },
-  { NEAR_NEWMV, { LAST_FRAME, LAST2_FRAME } },
-  { NEW_NEWMV, { LAST_FRAME, LAST2_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST_FRAME, LAST2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST_FRAME, LAST2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST_FRAME, LAST2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST_FRAME, LAST2_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST_FRAME, LAST2_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST_FRAME, LAST2_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST_FRAME, LAST2_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST_FRAME, LAST2_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST_FRAME, LAST2_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST_FRAME, LAST3_FRAME } },
-  { NEAR_NEWMV, { LAST_FRAME, LAST3_FRAME } },
-  { NEW_NEWMV, { LAST_FRAME, LAST3_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST_FRAME, LAST3_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST_FRAME, LAST3_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST_FRAME, LAST3_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST_FRAME, LAST3_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST_FRAME, LAST3_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST_FRAME, LAST3_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST_FRAME, LAST3_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST_FRAME, LAST3_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST_FRAME, LAST3_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { LAST_FRAME, GOLDEN_FRAME } },
-  { NEAR_NEWMV, { LAST_FRAME, GOLDEN_FRAME } },
-  { NEW_NEWMV, { LAST_FRAME, GOLDEN_FRAME } },
-  { GLOBAL_GLOBALMV, { LAST_FRAME, GOLDEN_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { LAST_FRAME, GOLDEN_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { LAST_FRAME, GOLDEN_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { LAST_FRAME, GOLDEN_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { LAST_FRAME, GOLDEN_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { LAST_FRAME, GOLDEN_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { LAST_FRAME, GOLDEN_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { LAST_FRAME, GOLDEN_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { LAST_FRAME, GOLDEN_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-  { NEW_NEARMV, { BWDREF_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
-  { GLOBAL_GLOBALMV, { BWDREF_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#if CONFIG_OPTFLOW_REFINEMENT
-  { NEAR_NEARMV_OPTFLOW, { BWDREF_FRAME, ALTREF_FRAME } },
-  { NEAR_NEWMV_OPTFLOW, { BWDREF_FRAME, ALTREF_FRAME } },
-  { NEW_NEARMV_OPTFLOW, { BWDREF_FRAME, ALTREF_FRAME } },
-  { NEW_NEWMV_OPTFLOW, { BWDREF_FRAME, ALTREF_FRAME } },
-#if CONFIG_JOINT_MVD
-  { JOINT_NEWMV_OPTFLOW, { BWDREF_FRAME, ALTREF_FRAME } },
-#if IMPROVED_AMVD
-  { JOINT_AMVDNEWMV_OPTFLOW, { BWDREF_FRAME, ALTREF_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_JOINT_MVD
-#endif  // CONFIG_OPTFLOW_REFINEMENT
-
-#if CONFIG_TIP
-  { NEARMV, { TIP_FRAME, NONE_FRAME } },
-  { NEWMV, { TIP_FRAME, NONE_FRAME } },
-#if IMPROVED_AMVD
-  { AMVDNEWMV, { TIP_FRAME, NONE_FRAME } },
-#endif  // IMPROVED_AMVD
-#endif  // CONFIG_TIP
-
-  // intra modes
-  { DC_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { PAETH_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { SMOOTH_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { SMOOTH_V_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { SMOOTH_H_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { H_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { V_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { D135_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { D203_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { D157_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { D67_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { D113_PRED, { INTRA_FRAME, NONE_FRAME } },
-  { D45_PRED, { INTRA_FRAME, NONE_FRAME } },
-};
-
-static AOM_INLINE THR_MODES
-get_prediction_mode_idx(PREDICTION_MODE this_mode, MV_REFERENCE_FRAME ref_frame,
-                        MV_REFERENCE_FRAME second_ref_frame) {
-  if (this_mode < INTRA_MODE_END) {
-    assert(ref_frame == INTRA_FRAME);
-    assert(second_ref_frame == NONE_FRAME);
-    return intra_to_mode_idx[this_mode - INTRA_MODE_START];
-  }
-  if (this_mode >= SINGLE_INTER_MODE_START &&
-      this_mode < SINGLE_INTER_MODE_END) {
-#if CONFIG_TIP
-    assert(is_inter_ref_frame(ref_frame) &&
-           (ref_frame == TIP_FRAME || ref_frame <= ALTREF_FRAME));
-#else
-    assert(is_inter_ref_frame(ref_frame) && (ref_frame <= ALTREF_FRAME));
-#endif  // CONFIG_TIP
-    return single_inter_to_mode_idx[this_mode - SINGLE_INTER_MODE_START]
-                                   [ref_frame];
-  }
-  if (this_mode >= COMP_INTER_MODE_START && this_mode < COMP_INTER_MODE_END) {
-    assert(is_inter_ref_frame(ref_frame) && (ref_frame <= ALTREF_FRAME));
-    assert(is_inter_ref_frame(second_ref_frame) &&
-           (second_ref_frame <= ALTREF_FRAME));
-    return comp_inter_to_mode_idx[this_mode - COMP_INTER_MODE_START][ref_frame]
-                                 [second_ref_frame];
-  }
-  assert(0);
-  return THR_INVALID;
-}
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 static AOM_INLINE void restore_dst_buf(MACROBLOCKD *xd, const BUFFER_SET dst,
                                        const int num_planes) {
   for (int i = 0; i < num_planes; i++) {
diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index c2554d1..ac68254 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -351,11 +351,7 @@
 
   // Speed 0 for all speed features that give neutral coding performance change.
   sf->gm_sf.gm_disable_recode = 1;
-#if CONFIG_NEW_REF_SIGNALING
   sf->gm_sf.gm_search_type = GM_REDUCED_REF_SEARCH_SKIP_LEV2;
-#else
-  sf->gm_sf.gm_search_type = GM_REDUCED_REF_SEARCH_SKIP_L2_L3;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   sf->part_sf.less_rectangular_check_level = 1;
 #if CONFIG_EXT_RECUR_PARTITIONS
@@ -410,11 +406,7 @@
   sf->hl_sf.superres_auto_search_type = SUPERRES_AUTO_DUAL;
 
   if (speed >= 1) {
-#if CONFIG_NEW_REF_SIGNALING
     sf->gm_sf.gm_search_type = GM_REDUCED_REF_SEARCH_SKIP_LEV3;
-#else
-    sf->gm_sf.gm_search_type = GM_REDUCED_REF_SEARCH_SKIP_L2_L3_ARF2;
-#endif  // CONFIG_NEW_REF_SIGNALING
     sf->gm_sf.prune_ref_frame_for_gm_search = boosted ? 0 : 1;
 
 #if CONFIG_EXT_RECUR_PARTITIONS
diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index c342c2c..c035d93 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -34,13 +34,8 @@
 
 enum {
   GM_FULL_SEARCH,
-#if CONFIG_NEW_REF_SIGNALING
   GM_REDUCED_REF_SEARCH_SKIP_LEV2,
   GM_REDUCED_REF_SEARCH_SKIP_LEV3,
-#else
-  GM_REDUCED_REF_SEARCH_SKIP_L2_L3,
-  GM_REDUCED_REF_SEARCH_SKIP_L2_L3_ARF2,
-#endif  // CONFIG_NEW_REF_SIGNALING
   GM_DISABLE_SEARCH
 } UENUM1BYTE(GM_SEARCH_TYPE);
 
@@ -84,20 +79,6 @@
                       (1 << NEAR_NEARMV),
 };
 
-#if !CONFIG_NEW_REF_SIGNALING
-enum {
-  DISABLE_ALL_INTER_SPLIT = (1 << THR_COMP_GA) | (1 << THR_COMP_LA) |
-                            (1 << THR_ALTR) | (1 << THR_GOLD) | (1 << THR_LAST),
-
-  DISABLE_ALL_SPLIT = (1 << THR_INTRA) | DISABLE_ALL_INTER_SPLIT,
-
-  DISABLE_COMPOUND_SPLIT = (1 << THR_COMP_GA) | (1 << THR_COMP_LA),
-
-  LAST_AND_INTRA_SPLIT_ONLY = (1 << THR_COMP_GA) | (1 << THR_COMP_LA) |
-                              (1 << THR_ALTR) | (1 << THR_GOLD)
-};
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
 enum {
   TXFM_CODING_SF = 1,
   INTER_PRED_SF = 2,
diff --git a/av1/encoder/tpl_model.c b/av1/encoder/tpl_model.c
index aed6c60..9c4b226 100644
--- a/av1/encoder/tpl_model.c
+++ b/av1/encoder/tpl_model.c
@@ -456,11 +456,7 @@
       best_mv.as_int = best_rfidx_mv.as_int;
       if (best_inter_cost < best_intra_cost) {
         best_mode = NEWMV;
-#if CONFIG_NEW_REF_SIGNALING
         xd->mi[0]->ref_frame[0] = best_rf_idx;
-#else
-        xd->mi[0]->ref_frame[0] = best_rf_idx + LAST_FRAME;
-#endif  // CONFIG_NEW_REF_SIGNALING
         xd->mi[0]->mv[0].as_int = best_mv.as_int;
       }
     }
@@ -790,44 +786,16 @@
 
   xd->cur_buf = this_frame;
 
-#if !CONFIG_NEW_REF_SIGNALING
-  uint32_t ref_frame_display_indices[INTER_REFS_PER_FRAME];
-#endif  // !CONFIG_NEW_REF_SIGNALING
   for (idx = 0; idx < INTER_REFS_PER_FRAME; ++idx) {
     TplDepFrame *tpl_ref_frame =
         &tpl_data->tpl_frame[tpl_frame->ref_map_index[idx]];
     tpl_data->ref_frame[idx] = tpl_ref_frame->rec_picture;
     tpl_data->src_ref_frame[idx] = tpl_ref_frame->gf_picture;
-#if !CONFIG_NEW_REF_SIGNALING
-    ref_frame_display_indices[idx] = tpl_ref_frame->frame_display_index;
-#endif  // !CONFIG_NEW_REF_SIGNALING
   }
 
   // TODO(debargha,kslu) Apply ref_frame_flags and prune references here.
   // See example of how this is done in init_mc_flow_dispenser().
   // aomedia:3159
-#if !CONFIG_NEW_REF_SIGNALING
-  int ref_frame_flags;
-  const YV12_BUFFER_CONFIG *ref_frames_ordered[INTER_REFS_PER_FRAME];
-  // Store the reference frames based on priority order
-  for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
-    ref_frames_ordered[i] =
-        tpl_data->ref_frame[ref_frame_priority_order[i] - 1];
-  }
-
-  // Work out which reference frame slots may be used.
-  ref_frame_flags =
-      get_ref_frame_flags(ref_frames_ordered, cpi->ext_flags.ref_frame_flags);
-
-  enforce_max_ref_frames(cpi, &ref_frame_flags);
-
-  // Prune reference frames
-  for (idx = 0; idx < INTER_REFS_PER_FRAME; ++idx) {
-    if ((ref_frame_flags & (1 << idx)) == 0) {
-      tpl_data->ref_frame[idx] = NULL;
-    }
-  }
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
   // Skip motion estimation w.r.t. reference frames which are not
   // considered in RD search, using "selective_ref_frame" speed feature.
@@ -835,16 +803,9 @@
   // length, as there are fewer reference frames and the reference frames
   // differ from the frames considered during RD search.
   if (ref_pruning_enabled && (frame_idx < gop_length)) {
-#if CONFIG_NEW_REF_SIGNALING
     for (idx = 0; idx < cm->ref_frames_info.num_total_refs; ++idx) {
       const MV_REFERENCE_FRAME refs[2] = { idx, NONE_FRAME };
       if (prune_ref_by_selective_ref_frame(cpi, NULL, refs)) {
-#else
-    for (idx = 0; idx < INTER_REFS_PER_FRAME; ++idx) {
-      const MV_REFERENCE_FRAME refs[2] = { idx + 1, NONE_FRAME };
-      if (prune_ref_by_selective_ref_frame(cpi, NULL, refs,
-                                           ref_frame_display_indices)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
         tpl_data->ref_frame[idx] = NULL;
       }
     }
@@ -1053,11 +1014,9 @@
     const int true_disp =
         (int)(tpl_frame->frame_display_index) -
         (gf_group->subgop_cfg != NULL && frame_params.show_frame);
-#if CONFIG_NEW_REF_SIGNALING
     if (cm->seq_params.explicit_ref_frame_map)
       av1_get_ref_frames_enc(cm, true_disp, ref_frame_map_pairs);
     else
-#endif  // CONFIG_NEW_REF_SIGNALING
       av1_get_ref_frames(cm, true_disp, ref_frame_map_pairs);
     int refresh_mask =
         av1_get_refresh_frame_flags(cpi, &frame_params, frame_update_type,
@@ -1073,7 +1032,6 @@
                              cpi->gf_group.max_layer_depth);
     }
 
-#if CONFIG_NEW_REF_SIGNALING
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
       if (cm->remapped_ref_idx[i] != -1) {
         tpl_frame->ref_map_index[i] = ref_picture_map[cm->remapped_ref_idx[i]];
@@ -1081,11 +1039,6 @@
         tpl_frame->ref_map_index[i] = ref_picture_map[0];
       }
     }
-#else
-    for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i)
-      tpl_frame->ref_map_index[i - LAST_FRAME] =
-          ref_picture_map[cm->remapped_ref_idx[i - LAST_FRAME]];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
     if (refresh_mask) ref_picture_map[refresh_frame_map_index] = gf_index;
 
@@ -1093,7 +1046,6 @@
   }
 
   if (cpi->rc.frames_since_key == 0) {
-#if CONFIG_NEW_REF_SIGNALING
     TplDepFrame *tpl_frame = &tpl_data->tpl_frame[cur_frame_idx];
     const int true_disp =
         (int)(tpl_frame->frame_display_index) -
@@ -1105,7 +1057,6 @@
       av1_get_ref_frames_enc(cm, true_disp, ref_frame_map_pairs);
     else
       av1_get_ref_frames(cm, true_disp, ref_frame_map_pairs);
-#endif  // CONFIG_NEW_REF_SIGNALING
     return;
   }
 
@@ -1155,11 +1106,9 @@
     const int true_disp =
         (int)(tpl_frame->frame_display_index) -
         (gf_group->subgop_cfg != NULL && frame_params.show_frame);
-#if CONFIG_NEW_REF_SIGNALING
     if (cm->seq_params.explicit_ref_frame_map)
       av1_get_ref_frames_enc(cm, true_disp, ref_frame_map_pairs);
     else
-#endif  // CONFIG_NEW_REF_SIGNALING
       av1_get_ref_frames(cm, true_disp, ref_frame_map_pairs);
     // TODO(kslu) av1_get_refresh_frame_flags()
     // will execute default behavior even when
@@ -1177,7 +1126,6 @@
                              cpi->gf_group.max_layer_depth);
     }
 
-#if CONFIG_NEW_REF_SIGNALING
     for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
       if (cm->remapped_ref_idx[i] != -1) {
         tpl_frame->ref_map_index[i] = ref_picture_map[cm->remapped_ref_idx[i]];
@@ -1185,16 +1133,6 @@
         tpl_frame->ref_map_index[i] = ref_picture_map[0];
       }
     }
-#else
-    for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i)
-      tpl_frame->ref_map_index[i - LAST_FRAME] =
-          ref_picture_map[cm->remapped_ref_idx[i - LAST_FRAME]];
-
-    tpl_frame->ref_map_index[ALTREF_FRAME - LAST_FRAME] = -1;
-    tpl_frame->ref_map_index[LAST3_FRAME - LAST_FRAME] = -1;
-    tpl_frame->ref_map_index[BWDREF_FRAME - LAST_FRAME] = -1;
-    tpl_frame->ref_map_index[ALTREF2_FRAME - LAST_FRAME] = -1;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
     if (refresh_mask) ref_picture_map[refresh_frame_map_index] = gf_index;
 
@@ -1210,11 +1148,9 @@
   init_ref_map_pair(
       cm, ref_frame_map_pairs,
       cpi->gf_group.update_type[cpi->gf_group.index] == KF_UPDATE);
-#if CONFIG_NEW_REF_SIGNALING
   if (cm->seq_params.explicit_ref_frame_map)
     av1_get_ref_frames_enc(cm, true_disp, ref_frame_map_pairs);
   else
-#endif  // CONFIG_NEW_REF_SIGNALING
     av1_get_ref_frames(cm, true_disp, ref_frame_map_pairs);
 }
 
@@ -1248,17 +1184,8 @@
   cm->current_frame.frame_type = frame_params->frame_type;
   for (int gf_index = gf_group->index; gf_index < (gf_group->size - 1);
        ++gf_index) {
-#if CONFIG_NEW_REF_SIGNALING
     (void)this_frame_params;
     av1_configure_buffer_updates(cpi, gf_group->update_type[gf_index]);
-#else
-    av1_configure_buffer_updates(cpi, &this_frame_params.refresh_frame,
-                                 gf_group->update_type[gf_index],
-                                 cm->current_frame.frame_type, 0);
-
-    memcpy(&cpi->refresh_frame, &this_frame_params.refresh_frame,
-           sizeof(cpi->refresh_frame));
-#endif  // CONFIG_NEW_REF_SIGNALING
 
     cm->show_frame = gf_group->update_type[gf_index] != ARF_UPDATE &&
                      gf_group->update_type[gf_index] != KFFLT_UPDATE &&
@@ -1325,13 +1252,7 @@
     mc_flow_synthesizer(cpi, frame_idx);
   }
 
-#if CONFIG_NEW_REF_SIGNALING
   av1_configure_buffer_updates(cpi, gf_group->update_type[gf_group->index]);
-#else
-  av1_configure_buffer_updates(cpi, &this_frame_params.refresh_frame,
-                               gf_group->update_type[gf_group->index],
-                               frame_params->frame_type, 0);
-#endif  // CONFIG_NEW_REF_SIGNALING
   cm->current_frame.frame_type = frame_params->frame_type;
   cm->show_frame = frame_params->show_frame;
 }
diff --git a/build/cmake/aom_config_defaults.cmake b/build/cmake/aom_config_defaults.cmake
index 287cba8..4729bb7 100644
--- a/build/cmake/aom_config_defaults.cmake
+++ b/build/cmake/aom_config_defaults.cmake
@@ -173,8 +173,6 @@
 set_aom_config_var(CONFIG_SMVP_IMPROVEMENT 1 "Enable SMVP improvement")
 set_aom_config_var(CONFIG_TMVP_IMPROVEMENT 1 "Enable TMVP improvement")
 set_aom_config_var(CONFIG_REF_MV_BANK 1 "AV2 ref mv bank experiment flag")
-set_aom_config_var(CONFIG_NEW_REF_SIGNALING 1
-                   "AV2 experiment flag for the new reference syntax")
 set_aom_config_var(
   CONFIG_CCSO 1 "AV2 experiment flag to enable cross component sample offset.")
 set_aom_config_var(CONFIG_OPTFLOW_REFINEMENT 1
diff --git a/common/av1_config.c b/common/av1_config.c
index d0e4c41..d005c9a 100644
--- a/common/av1_config.c
+++ b/common/av1_config.c
@@ -239,13 +239,11 @@
 #if CONFIG_REF_MV_BANK
   AV1C_READ_BIT_OR_RETURN_ERROR(enable_refmvbank);
 #endif  // CONFIG_REF_MV_BANK
-#if CONFIG_NEW_REF_SIGNALING
   AV1C_READ_BIT_OR_RETURN_ERROR(reduced_ref_frame_set);
   if (reduced_ref_frame_set) {
     AV1C_READ_BITS_OR_RETURN_ERROR(max_reference_frames, 2);
   }
   AV1C_READ_BIT_OR_RETURN_ERROR(explicit_ref_frame_map);
-#endif  // CONFIG_NEW_REF_SIGNALING
   AV1C_READ_BIT_OR_RETURN_ERROR(enable_sdp);
 #if CONFIG_IST
   AV1C_READ_BIT_OR_RETURN_ERROR(enable_ist);
diff --git a/examples/inspect.c b/examples/inspect.c
index ba7a0f2..bbe7613 100644
--- a/examples/inspect.c
+++ b/examples/inspect.c
@@ -163,17 +163,9 @@
   int value;
 } map_entry;
 
-#if CONFIG_NEW_REF_SIGNALING
 const map_entry refs_map[] = { ENUM(INTRA_FRAME), ENUM(0), ENUM(1),
                                ENUM(2),           ENUM(3), ENUM(4),
                                ENUM(5),           ENUM(6), LAST_ENUM };
-#else
-const map_entry refs_map[] = {
-  ENUM(INTRA_FRAME),   ENUM(LAST_FRAME),   ENUM(LAST2_FRAME),
-  ENUM(LAST3_FRAME),   ENUM(GOLDEN_FRAME), ENUM(BWDREF_FRAME),
-  ENUM(ALTREF2_FRAME), ENUM(ALTREF_FRAME), LAST_ENUM
-};
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 const map_entry block_size_map[] = {
   ENUM(BLOCK_4X4),     ENUM(BLOCK_4X8),    ENUM(BLOCK_8X4),
diff --git a/examples/lightfield_encoder.c b/examples/lightfield_encoder.c
index 58c656f..75040c28 100644
--- a/examples/lightfield_encoder.c
+++ b/examples/lightfield_encoder.c
@@ -205,13 +205,7 @@
                    AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
                        AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF |
                        AOM_EFLAG_NO_REF_BWD | AOM_EFLAG_NO_REF_ARF2 |
-#if CONFIG_NEW_REF_SIGNALING
-                       AOM_EFLAG_NO_UPD_ALL |
-#else
-                       AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
-                       AOM_EFLAG_NO_UPD_ARF |
-#endif  // CONFIG_NEW_REF_SIGNALING
-                       AOM_EFLAG_NO_UPD_ENTROPY,
+                       AOM_EFLAG_NO_UPD_ALL | AOM_EFLAG_NO_UPD_ENTROPY,
                    writer);
 
       if (aom_codec_control(&codec, AV1_COPY_NEW_FRAME_IMAGE,
@@ -270,13 +264,7 @@
                        AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
                            AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF |
                            AOM_EFLAG_NO_REF_BWD | AOM_EFLAG_NO_REF_ARF2 |
-#if CONFIG_NEW_REF_SIGNALING
-                           AOM_EFLAG_NO_UPD_ALL |
-#else
-                           AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
-                           AOM_EFLAG_NO_UPD_ARF |
-#endif  // CONFIG_NEW_REF_SIGNALING
-                           AOM_EFLAG_NO_UPD_ENTROPY,
+                           AOM_EFLAG_NO_UPD_ALL | AOM_EFLAG_NO_UPD_ENTROPY,
                        writer);
         }
       }
diff --git a/examples/scalable_encoder.c b/examples/scalable_encoder.c
index 04fc253..b90e42e 100644
--- a/examples/scalable_encoder.c
+++ b/examples/scalable_encoder.c
@@ -235,9 +235,6 @@
       flags |= AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
                AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF |
                AOM_EFLAG_NO_REF_BWD | AOM_EFLAG_NO_REF_ARF2 |
-#if !CONFIG_NEW_REF_SIGNALING
-               AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF |
-#endif  // !CONFIG_NEW_REF_SIGNALING
                AOM_EFLAG_NO_UPD_ENTROPY;
     cfg.g_w = info.frame_width;
     cfg.g_h = info.frame_height;
@@ -254,12 +251,7 @@
     //  use LAST (base layer) as sole reference
     flags = AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
             AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
-            AOM_EFLAG_NO_REF_ARF2 |
-#if CONFIG_NEW_REF_SIGNALING
-            AOM_EFLAG_NO_UPD_ALL |
-#else
-            AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF |
-#endif  // CONFIG_NEW_REF_SIGNALING
+            AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_ALL |
             AOM_EFLAG_NO_UPD_ENTROPY;
     cfg.g_w = info.frame_width;
     cfg.g_h = info.frame_height;
diff --git a/test/av1_ext_tile_test.cc b/test/av1_ext_tile_test.cc
index 113a50f..e0f12ca 100644
--- a/test/av1_ext_tile_test.cc
+++ b/test/av1_ext_tile_test.cc
@@ -94,12 +94,7 @@
     }
 
     if (video->frame() == 1) {
-#if CONFIG_NEW_REF_SIGNALING
       frame_flags_ = AOM_EFLAG_NO_UPD_ALL;
-#else
-      frame_flags_ =
-          AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
-#endif  // CONFIG_NEW_REF_SIGNALING
     }
   }
 
diff --git a/test/error_resilience_test.cc b/test/error_resilience_test.cc
index 6ead25c..cd9ca58 100644
--- a/test/error_resilience_test.cc
+++ b/test/error_resilience_test.cc
@@ -84,25 +84,15 @@
       encoder->Control(AOME_SET_ENABLEAUTOALTREF, enable_altref_);
     }
     frame_flags_ &= ~(AOM_EFLAG_NO_REF_FRAME_MVS | AOM_EFLAG_ERROR_RESILIENT |
-#if CONFIG_NEW_REF_SIGNALING
-                      AOM_EFLAG_NO_UPD_ALL |
-#else
-                      AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
-                      AOM_EFLAG_NO_UPD_ARF |
-#endif  // CONFIG_NEW_REF_SIGNALING
-                      AOM_EFLAG_SET_S_FRAME | AOM_EFLAG_SET_PRIMARY_REF_NONE);
+                      AOM_EFLAG_NO_UPD_ALL | AOM_EFLAG_SET_S_FRAME |
+                      AOM_EFLAG_SET_PRIMARY_REF_NONE);
     if (droppable_nframes_ > 0 &&
         (cfg_.g_pass == AOM_RC_LAST_PASS || cfg_.g_pass == AOM_RC_ONE_PASS)) {
       for (unsigned int i = 0; i < droppable_nframes_; ++i) {
         if (droppable_frames_[i] == video->frame()) {
           std::cout << "             Encoding droppable frame: "
                     << droppable_frames_[i] << "\n";
-#if CONFIG_NEW_REF_SIGNALING
           frame_flags_ |= AOM_EFLAG_NO_UPD_ALL;
-#else
-          frame_flags_ |= (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
-                           AOM_EFLAG_NO_UPD_ARF);
-#endif  // CONFIG_NEW_REF_SIGNALING
           break;
         }
       }
@@ -162,13 +152,7 @@
     // Check that the encode frame flags are correctly reflected
     // in the output frame flags.
     const int encode_flags = pkt->data.frame.flags >> 16;
-#if CONFIG_NEW_REF_SIGNALING
     if ((encode_flags & AOM_EFLAG_NO_UPD_ALL) == AOM_EFLAG_NO_UPD_ALL) {
-#else
-    if ((encode_flags & (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
-                         AOM_EFLAG_NO_UPD_ARF)) ==
-        (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF)) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_DROPPABLE,
                 static_cast<aom_codec_frame_flags_t>(AOM_FRAME_IS_DROPPABLE));
     }
diff --git a/tools/aom_entropy_optimizer.c b/tools/aom_entropy_optimizer.c
index 0a3d570..ede14c9 100644
--- a/tools/aom_entropy_optimizer.c
+++ b/tools/aom_entropy_optimizer.c
@@ -744,26 +744,7 @@
       "static const aom_cdf_prob\n"
       "default_comp_inter_cdf[COMP_INTER_CONTEXTS][CDF_SIZE(2)]");
 
-  /* ext_comp_refs experiment */
-#if !CONFIG_NEW_REF_SIGNALING
-  cts_each_dim[0] = COMP_REF_TYPE_CONTEXTS;
-  cts_each_dim[1] = 2;
-  optimize_cdf_table(
-      &fc.comp_ref_type[0][0], probsfile, 2, cts_each_dim,
-      "static const aom_cdf_prob\n"
-      "default_comp_ref_type_cdf[COMP_REF_TYPE_CONTEXTS][CDF_SIZE(2)]");
-
-  cts_each_dim[0] = UNI_COMP_REF_CONTEXTS;
-  cts_each_dim[1] = UNIDIR_COMP_REFS - 1;
-  cts_each_dim[2] = 2;
-  optimize_cdf_table(&fc.uni_comp_ref[0][0][0], probsfile, 3, cts_each_dim,
-                     "static const aom_cdf_prob\n"
-                     "default_uni_comp_ref_cdf[UNI_COMP_REF_CONTEXTS][UNIDIR_"
-                     "COMP_REFS - 1][CDF_SIZE(2)]");
-#endif  // !CONFIG_NEW_REF_SIGNALING
-
   /* Reference frame (single ref) */
-#if CONFIG_NEW_REF_SIGNALING
   cts_each_dim[0] = REF_CONTEXTS;
   cts_each_dim[1] = INTER_REFS_PER_FRAME - 1;
   cts_each_dim[2] = 2;
@@ -771,18 +752,8 @@
                      "static const aom_cdf_prob\n"
                      "default_single_ref_cdf[REF_CONTEXTS][INTER_REFS_PER_"
                      "FRAME - 1][CDF_SIZE(2)]");
-#else
-  cts_each_dim[0] = REF_CONTEXTS;
-  cts_each_dim[1] = SINGLE_REFS - 1;
-  cts_each_dim[2] = 2;
-  optimize_cdf_table(
-      &fc.single_ref[0][0][0], probsfile, 3, cts_each_dim,
-      "static const aom_cdf_prob\n"
-      "default_single_ref_cdf[REF_CONTEXTS][SINGLE_REFS - 1][CDF_SIZE(2)]");
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /* ext_refs experiment */
-#if CONFIG_NEW_REF_SIGNALING
   cts_each_dim[0] = REF_CONTEXTS;
   cts_each_dim[1] = INTER_REFS_PER_FRAME - 2;
   cts_each_dim[2] = 2;
@@ -798,23 +769,6 @@
                      "static const aom_cdf_prob\n"
                      "default_comp_ref1_cdf[REF_CONTEXTS][COMPREF_BIT_TYPES]"
                      "[INTER_REFS_PER_FRAME - 2][CDF_SIZE(2)]");
-#else
-  cts_each_dim[0] = REF_CONTEXTS;
-  cts_each_dim[1] = FWD_REFS - 1;
-  cts_each_dim[2] = 2;
-  optimize_cdf_table(
-      &fc.comp_ref[0][0][0], probsfile, 3, cts_each_dim,
-      "static const aom_cdf_prob\n"
-      "default_comp_ref_cdf[REF_CONTEXTS][FWD_REFS - 1][CDF_SIZE(2)]");
-
-  cts_each_dim[0] = REF_CONTEXTS;
-  cts_each_dim[1] = BWD_REFS - 1;
-  cts_each_dim[2] = 2;
-  optimize_cdf_table(
-      &fc.comp_bwdref[0][0][0], probsfile, 3, cts_each_dim,
-      "static const aom_cdf_prob\n"
-      "default_comp_bwdref_cdf[REF_CONTEXTS][BWD_REFS - 1][CDF_SIZE(2)]");
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
   /* palette */
   cts_each_dim[0] = PALATTE_BSIZE_CTXS;