diff --git a/packages/vector_math/benchmark/matrix4_tween_bench.dart b/packages/vector_math/benchmark/matrix4_tween_bench.dart
index e8bed60..756147b 100644
--- a/packages/vector_math/benchmark/matrix4_tween_bench.dart
+++ b/packages/vector_math/benchmark/matrix4_tween_bench.dart
@@ -1,6 +1,6 @@
-// Copyright (c) 2019, Google Inc. Please see the AUTHORS file for details.
-// All rights reserved. Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// Copyright 2013 The Flutter Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 import 'package:benchmark_harness/benchmark_harness.dart';
 import 'package:vector_math/vector_math_64.dart';
diff --git a/packages/vector_math/lib/hash.dart b/packages/vector_math/lib/hash.dart
index b98856d..458a264 100644
--- a/packages/vector_math/lib/hash.dart
+++ b/packages/vector_math/lib/hash.dart
@@ -1,6 +1,6 @@
-// Copyright (c) 2016, Google Inc. Please see the AUTHORS file for details.
-// All rights reserved. Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
+// Copyright 2013 The Flutter Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 @Deprecated('Use Object.hashAll instead')
 library;