diff --git a/AUTHORS b/AUTHORS
index 8c4e5d7e66b..6a6a41e28ba 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -5,6 +5,7 @@
 
 Google Inc.
 The V8 project authors
+The Go Authors
 Arm Ltd. <*@arm.com>
 
 Ola Martin Bini <ola.bini@gmail.com>
diff --git a/sdk/lib/_internal/vm/lib/bigint_patch.dart b/sdk/lib/_internal/vm/lib/bigint_patch.dart
index affdfebe55b..79482eb1574 100644
--- a/sdk/lib/_internal/vm/lib/bigint_patch.dart
+++ b/sdk/lib/_internal/vm/lib/bigint_patch.dart
@@ -4,10 +4,6 @@
 
 // part of dart.core;
 
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
 /*
  * Copyright (c) 2003-2005  Tom Wu
  * Copyright (c) 2012 Adam Singer (adam@solvr.io)