diff --git a/engine/src/flutter/ci/licenses_golden/licenses_flutter b/engine/src/flutter/ci/licenses_golden/licenses_flutter
index 6269a3c2e3..ab9a69111f 100644
--- a/engine/src/flutter/ci/licenses_golden/licenses_flutter
+++ b/engine/src/flutter/ci/licenses_golden/licenses_flutter
@@ -41216,7 +41216,6 @@ ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/font_change_util.dart + ../..
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/font_fallback_data.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/font_fallbacks.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/fonts.dart + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/frame_reference.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/frame_service.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/frame_timing_recorder.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/backdrop_filter.dart + ../../../flutter/LICENSE
@@ -41226,6 +41225,7 @@ ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/clip.dart + ../../../flu
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/color_filter.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/debug_canvas_reuse_overlay.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/dom_canvas.dart + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/frame_reference.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/image.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/image_filter.dart + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/lib/web_ui/lib/src/engine/html/offset.dart + ../../../flutter/LICENSE
@@ -44170,7 +44170,6 @@ FILE: ../../../flutter/lib/web_ui/lib/src/engine/font_change_util.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/font_fallback_data.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/font_fallbacks.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/fonts.dart
-FILE: ../../../flutter/lib/web_ui/lib/src/engine/frame_reference.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/frame_service.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/frame_timing_recorder.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/backdrop_filter.dart
@@ -44180,6 +44179,7 @@ FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/clip.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/color_filter.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/debug_canvas_reuse_overlay.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/dom_canvas.dart
+FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/frame_reference.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/image.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/image_filter.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/html/offset.dart
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine.dart b/engine/src/flutter/lib/web_ui/lib/src/engine.dart
index ded0f70384..da467d0ad5 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine.dart
@@ -65,7 +65,6 @@ export 'engine/font_change_util.dart';
 export 'engine/font_fallback_data.dart';
 export 'engine/font_fallbacks.dart';
 export 'engine/fonts.dart';
-export 'engine/frame_reference.dart';
 export 'engine/frame_service.dart';
 export 'engine/frame_timing_recorder.dart';
 export 'engine/html/backdrop_filter.dart';
@@ -75,6 +74,7 @@ export 'engine/html/clip.dart';
 export 'engine/html/color_filter.dart';
 export 'engine/html/debug_canvas_reuse_overlay.dart';
 export 'engine/html/dom_canvas.dart';
+export 'engine/html/frame_reference.dart';
 export 'engine/html/image.dart';
 export 'engine/html/image_filter.dart';
 export 'engine/html/offset.dart';
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart
index 01a17cc2f7..a80195d053 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/html/bitmap_canvas.dart
@@ -12,13 +12,13 @@ import '../canvas_pool.dart';
 import '../display.dart';
 import '../dom.dart';
 import '../engine_canvas.dart';
-import '../frame_reference.dart';
 import '../text/canvas_paragraph.dart';
 import '../util.dart';
 import '../vector_math.dart';
 import 'clip.dart';
 import 'color_filter.dart';
 import 'dom_canvas.dart';
+import 'frame_reference.dart';
 import 'image.dart';
 import 'painting.dart';
 import 'path/path.dart';
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/frame_reference.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/html/frame_reference.dart
similarity index 100%
rename from engine/src/flutter/lib/web_ui/lib/src/engine/frame_reference.dart
rename to engine/src/flutter/lib/web_ui/lib/src/engine/html/frame_reference.dart
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/html/picture.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/html/picture.dart
index a694cc9d16..8d10d03f33 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/html/picture.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/html/picture.dart
@@ -10,12 +10,12 @@ import 'package:ui/ui.dart' as ui;
 
 import '../dom.dart';
 import '../engine_canvas.dart';
-import '../frame_reference.dart';
 import '../util.dart';
 import '../vector_math.dart';
 import 'bitmap_canvas.dart';
 import 'debug_canvas_reuse_overlay.dart';
 import 'dom_canvas.dart';
+import 'frame_reference.dart';
 import 'image.dart';
 import 'path/path_metrics.dart';
 import 'recording_canvas.dart';
diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/html/surface.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/html/surface.dart
index 24fbad5dd5..dc66ad0d5e 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/html/surface.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/html/surface.dart
@@ -6,12 +6,12 @@ import 'package:meta/meta.dart';
 import 'package:ui/ui.dart' as ui;
 
 import '../dom.dart';
-import '../frame_reference.dart';
 import '../frame_service.dart';
 import '../onscreen_logging.dart';
 import '../semantics.dart';
 import '../util.dart';
 import '../vector_math.dart';
+import 'frame_reference.dart';
 import 'picture.dart';
 import 'scene.dart';
 import 'surface_stats.dart';
diff --git a/engine/src/flutter/lib/web_ui/test/engine/frame_reference_test.dart b/engine/src/flutter/lib/web_ui/test/engine/frame_reference_test.dart
deleted file mode 100644
index 8901aafc73..0000000000
--- a/engine/src/flutter/lib/web_ui/test/engine/frame_reference_test.dart
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2013 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'package:test/bootstrap/browser.dart';
-import 'package:test/test.dart';
-import 'package:ui/src/engine.dart';
-
-void main() {
-  internalBootstrapBrowserTest(() => testMain);
-}
-
-void testMain() {
-  group('CrossFrameCache', () {
-    test('Reuse returns no object when cache empty', () {
-      final CrossFrameCache<TestItem> cache = CrossFrameCache<TestItem>();
-      cache.commitFrame();
-      final TestItem? requestedItem = cache.reuse('item1');
-      expect(requestedItem, null);
-    });
-
-    test('Reuses object across frames', () {
-      final CrossFrameCache<TestItem> cache = CrossFrameCache<TestItem>();
-      final TestItem testItem1 = TestItem('item1');
-      cache.cache(testItem1.label, testItem1);
-      cache.commitFrame();
-      TestItem? requestedItem = cache.reuse('item1');
-      expect(requestedItem, testItem1);
-      requestedItem = cache.reuse('item1');
-      expect(requestedItem, null);
-    });
-
-    test('Reuses objects that have same key across frames', () {
-      final CrossFrameCache<TestItem> cache = CrossFrameCache<TestItem>();
-      final TestItem testItem1 = TestItem('sameLabel');
-      final TestItem testItem2 = TestItem('sameLabel');
-      final TestItem testItemX = TestItem('X');
-      cache.cache(testItem1.label, testItem1);
-      cache.cache(testItemX.label, testItemX);
-      cache.cache(testItem2.label, testItem2);
-      cache.commitFrame();
-      TestItem? requestedItem = cache.reuse('sameLabel');
-      expect(requestedItem, testItem1);
-      requestedItem = cache.reuse('sameLabel');
-      expect(requestedItem, testItem2);
-      requestedItem = cache.reuse('sameLabel');
-      expect(requestedItem, null);
-    });
-
-    test("Values don't survive beyond next frame", () {
-      final CrossFrameCache<TestItem> cache = CrossFrameCache<TestItem>();
-      final TestItem testItem1 = TestItem('item1');
-      cache.cache(testItem1.label, testItem1);
-      cache.commitFrame();
-      cache.commitFrame();
-      final TestItem? requestedItem = cache.reuse('item1');
-      expect(requestedItem, null);
-    });
-
-    test('Values are evicted when not reused', () {
-      final Set<TestItem> evictedItems = <TestItem>{};
-      final CrossFrameCache<TestItem> cache = CrossFrameCache<TestItem>();
-      final TestItem testItem1 = TestItem('item1');
-      final TestItem testItem2 = TestItem('item2');
-      cache.cache(testItem1.label, testItem1, (TestItem item) {
-        evictedItems.add(item);
-      });
-      cache.cache(testItem2.label, testItem2, (TestItem item) {
-        evictedItems.add(item);
-      });
-      cache.commitFrame();
-      expect(evictedItems.length, 0);
-      cache.reuse('item2');
-      cache.commitFrame();
-      expect(evictedItems.contains(testItem1), isTrue);
-      expect(evictedItems.contains(testItem2), isFalse);
-    });
-  });
-}
-
-class TestItem {
-  TestItem(this.label);
-  final String label;
-}