diff --git a/static_src/monitoring/client-logger.js b/static_src/monitoring/client-logger.js
index 37959c0..3d62198 100644
--- a/static_src/monitoring/client-logger.js
+++ b/static_src/monitoring/client-logger.js
@@ -1,8 +1,6 @@
-/* Copyright 2018 The Chromium 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 2018 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 import MonorailTSMon from './monorail-ts-mon.js';
 
diff --git a/static_src/monitoring/monorail-ts-mon.js b/static_src/monitoring/monorail-ts-mon.js
index 2d90e3e..ebbd2b4 100644
--- a/static_src/monitoring/monorail-ts-mon.js
+++ b/static_src/monitoring/monorail-ts-mon.js
@@ -1,8 +1,6 @@
-/* Copyright 2018 The Chromium 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 2018 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 import {TSMonClient} from '@chopsui/tsmon-client';
 
diff --git a/static_src/monitoring/track-copy.js b/static_src/monitoring/track-copy.js
index 7123965..f204dcc 100644
--- a/static_src/monitoring/track-copy.js
+++ b/static_src/monitoring/track-copy.js
@@ -1,8 +1,6 @@
-/* Copyright 2018 The Chromium 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 2018 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 // This counts copy and paste events.