diff --git a/dev/benchmarks/macrobenchmarks/lib/src/draw_atlas.dart b/dev/benchmarks/macrobenchmarks/lib/src/draw_atlas.dart
index 78a3204d60b..36163d87605 100644
--- a/dev/benchmarks/macrobenchmarks/lib/src/draw_atlas.dart
+++ b/dev/benchmarks/macrobenchmarks/lib/src/draw_atlas.dart
@@ -10,6 +10,7 @@ Future<ui.Image> loadImage(String asset) async {
   final ui.ImmutableBuffer buffer = await ui.ImmutableBuffer.fromAsset(asset);
   final ui.Codec codec = await PaintingBinding.instance.instantiateImageCodecWithSize(buffer);
   final ui.FrameInfo frameInfo = await codec.getNextFrame();
+  codec.dispose();
   return frameInfo.image;
 }
 
diff --git a/dev/benchmarks/macrobenchmarks/lib/src/draw_vertices.dart b/dev/benchmarks/macrobenchmarks/lib/src/draw_vertices.dart
index cc2b6440c65..0b4dd48ec9c 100644
--- a/dev/benchmarks/macrobenchmarks/lib/src/draw_vertices.dart
+++ b/dev/benchmarks/macrobenchmarks/lib/src/draw_vertices.dart
@@ -10,6 +10,7 @@ Future<ui.Image> loadImage(String asset) async {
   final ui.ImmutableBuffer buffer = await ui.ImmutableBuffer.fromAsset(asset);
   final ui.Codec codec = await PaintingBinding.instance.instantiateImageCodecWithSize(buffer);
   final ui.FrameInfo frameInfo = await codec.getNextFrame();
+  codec.dispose();
   return frameInfo.image;
 }
 
diff --git a/dev/integration_tests/wide_gamut_test/lib/main.dart b/dev/integration_tests/wide_gamut_test/lib/main.dart
index 7fa5dd25f8c..970f6240760 100644
--- a/dev/integration_tests/wide_gamut_test/lib/main.dart
+++ b/dev/integration_tests/wide_gamut_test/lib/main.dart
@@ -238,7 +238,9 @@ Future<ui.Image> _loadImage() async {
   );
   final ui.ImageDescriptor descriptor = await ui.ImageDescriptor.encoded(buffer);
   final ui.Codec codec = await descriptor.instantiateCodec();
-  return (await codec.getNextFrame()).image;
+  final ui.FrameInfo frameInfo = await codec.getNextFrame();
+  codec.dispose();
+  return frameInfo.image;
 }
 
 class MyHomePage extends StatefulWidget {