diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index b87fa06..6d756a6 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -3510,6 +3510,7 @@
                              struct aom_write_bit_buffer *wb) {
 #endif
 #if CONFIG_FRAME_SUPERRES
+  (void)frame_size_override;
   aom_wb_write_literal(wb, cm->superres_upscaled_width - 1, 16);
   aom_wb_write_literal(wb, cm->superres_upscaled_height - 1, 16);
   write_superres_scale(cm, wb);
diff --git a/build/cmake/aom_config_defaults.cmake b/build/cmake/aom_config_defaults.cmake
index 4f887a0..224aab3 100644
--- a/build/cmake/aom_config_defaults.cmake
+++ b/build/cmake/aom_config_defaults.cmake
@@ -148,7 +148,7 @@
 set(CONFIG_FP_MB_STATS 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_FRAME_MARKER 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_FRAME_SIGN_BIAS 0 CACHE NUMBER "AV1 experiment flag.")
-set(CONFIG_FRAME_SIZE 0 CACHE NUMBER "AV1 experiment flag.")
+set(CONFIG_FRAME_SIZE 1 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_FRAME_SUPERRES 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_HASH_ME 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_HORZONLY_FRAME_SUPERRES 0 CACHE NUMBER "AV1 experiment flag.")
diff --git a/configure b/configure
index ec1b0fb..64e764c 100755
--- a/configure
+++ b/configure
@@ -527,6 +527,7 @@
       soft_enable striped_loop_restoration
       soft_enable ext_intra_mod
       soft_enable palette_delta_encoding
+      soft_enable frame_size
     fi
 
     # Enable low-bitdepth pixel pipeline by default