diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 88fa208..e84a55d 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -2374,7 +2374,8 @@
 #endif
 
   // Determine whether to use screen content tools using two fast encoding.
-  av1_determine_sc_tools_with_encoding(cpi, q);
+  if (!cpi->sf.hl_sf.disable_extra_sc_testing)
+    av1_determine_sc_tools_with_encoding(cpi, q);
 
 #if CONFIG_USE_VMAF_RC
   if (oxcf->tune_cfg.tuning == AOM_TUNE_VMAF_NEG_MAX_GAIN) {
diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 6bae838..83a4763 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -682,6 +682,8 @@
   }
 
   if (speed >= 6) {
+    sf->hl_sf.disable_extra_sc_testing = 1;
+
     sf->inter_sf.prune_inter_modes_based_on_tpl = boosted ? 0 : 3;
     sf->inter_sf.prune_nearmv_using_neighbors = 1;
 
@@ -1039,6 +1041,7 @@
   hl_sf->recode_tolerance = 25;
   hl_sf->high_precision_mv_usage = CURRENT_Q;
   hl_sf->superres_auto_search_type = SUPERRES_AUTO_ALL;
+  hl_sf->disable_extra_sc_testing = 0;
 }
 
 static AOM_INLINE void init_tpl_sf(TPL_SPEED_FEATURES *tpl_sf) {
diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index d647b10..04ff082 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -329,6 +329,11 @@
    */
   SUPERRES_AUTO_SEARCH_TYPE superres_auto_search_type;
   /*!\endcond */
+
+  /*!
+   * Enable/disable extra screen content test by encoding key frame twice.
+   */
+  int disable_extra_sc_testing;
 } HIGH_LEVEL_SPEED_FEATURES;
 
 /*!\cond */