diff --git a/ios/grit_whitelist.txt b/ios/grit_whitelist.txt
index 0d9faa083..b8d3caa29 100644
--- a/ios/grit_whitelist.txt
+++ b/ios/grit_whitelist.txt
@@ -464,8 +464,6 @@ IDS_FLAGS_COMPOSITED_LAYER_BORDERS_DESCRIPTION
 IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_DESCRIPTION
 IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_HIGH_DPI
 IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_NAME
-IDS_FLAGS_COMPOSITING_FOR_TRANSITION_DESCRIPTION
-IDS_FLAGS_COMPOSITING_FOR_TRANSITION_NAME
 IDS_FLAGS_CONFLICTS_CHECK_DESCRIPTION
 IDS_FLAGS_CONFLICTS_CHECK_NAME
 IDS_FLAGS_DEBUG_PACKED_APP_DESCRIPTION