diff --git a/BUILD.gn b/BUILD.gn
index bbf066a2f5ec..c7ab8f6fc125 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -3,7 +3,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("gn/flutter_defines.gni")
 import("gn/fuchsia_defines.gni")
 import("gn/shared_sources.gni")
 import("gn/skia.gni")
@@ -39,9 +38,6 @@ config("skia_public") {
   if (is_fuchsia || is_linux) {
     defines += [ "SK_R32_SHIFT=16" ]
   }
-  if (skia_enable_flutter_defines) {
-    defines += flutter_defines
-  }
   if (skia_enable_optimize_size) {
     defines += [ "SK_ENABLE_OPTIMIZE_SIZE" ]
   }
@@ -3422,14 +3418,13 @@ if (skia_enable_tools) {
   }
 }
 
-if (is_ios && skia_use_metal && skia_enable_ganesh &&
-    !skia_enable_flutter_defines) {
+if (is_ios && skia_use_metal && skia_enable_ganesh) {
   group("minimal_ios_mtl_skia_app") {
     deps = [ "experimental/minimal_ios_mtl_skia_app" ]
   }
 }
 
-if (is_ios && skia_enable_skottie && !skia_enable_flutter_defines) {
+if (is_ios && skia_enable_skottie) {
   group("skottie_ios") {
     deps = [ "tools/skottie_ios_app" ]
   }
diff --git a/gn/flutter_defines.gni b/gn/flutter_defines.gni
deleted file mode 100644
index 9da55be23081..000000000000
--- a/gn/flutter_defines.gni
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright 2017 Google Inc.
-#
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# NOTICE: Editing this file won't do anything! Flutter has forked our GN files,
-# so the correct place to modify how Flutter builds Skia is at:
-# https://github.com/flutter/engine/blob/main/skia/flutter_defines.gni
-
-flutter_defines = [
-  # Flutter always wants this https://github.com/flutter/flutter/issues/11402
-  "SK_ENABLE_DUMP_GPU",
-
-  # Staging
-  "SK_LEGACY_IGNORE_DRAW_VERTICES_BLEND_WITH_NO_SHADER",
-  "SK_DISABLE_LEGACY_GRDIRECTCONTEXT_BOOLS",
-  "SK_DISABLE_LEGACY_GRDIRECTCONTEXT_FLUSH",
-
-  # Fast low-precision software rendering isn't a priority for Flutter.
-  "SK_DISABLE_LEGACY_SHADERCONTEXT",
-  "SK_FORCE_RASTER_PIPELINE_BLITTER",
-
-  # When running Metal, ensure that command buffers are scheduled before
-  # returning from submit.
-  "SK_METAL_WAIT_UNTIL_SCHEDULED",
-]
-
-if (!is_fuchsia) {
-  flutter_defines += [ "SK_DISABLE_EFFECT_DESERIALIZATION" ]
-}
diff --git a/gn/skia.gni b/gn/skia.gni
index a9e5e2ee3b45..f23a90d52b08 100644
--- a/gn/skia.gni
+++ b/gn/skia.gni
@@ -16,7 +16,6 @@ declare_args() {
   skia_enable_api_available_macro = true
   skia_enable_android_utils = is_skia_dev_build
   skia_enable_discrete_gpu = true
-  skia_enable_flutter_defines = false
   skia_enable_fontmgr_empty = false
   skia_enable_fontmgr_fuchsia = is_fuchsia
   skia_enable_fontmgr_win = is_win