diff --git a/gn/flutter_defines.gni b/gn/flutter_defines.gni
index 2c7e1759e8..c128c88d61 100644
--- a/gn/flutter_defines.gni
+++ b/gn/flutter_defines.gni
@@ -15,6 +15,7 @@ flutter_defines = [
   "SK_PARAGRAPH_LIBTXT_SPACES_RESOLUTION",
 
   # Staging
+  "SK_SUPPORT_LEGACY_IMPLICIT_FILTERQUALITY",
 
   # Fast low-precision software rendering isn't a priority for Flutter.
   "SK_DISABLE_LEGACY_SHADERCONTEXT",