diff --git a/static/js/graveyard/common.js b/static/js/graveyard/common.js
index 621a626..7899d43 100644
--- a/static/js/graveyard/common.js
+++ b/static/js/graveyard/common.js
@@ -1,9 +1,6 @@
-/* Copyright 2016 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 or at
- * https://developers.google.com/open-source/licenses/bsd
- */
+// Copyright 2016 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 // ------------------------------------------------------------------------
 // This file contains common utilities and basic javascript infrastructure.
diff --git a/static/js/graveyard/geom.js b/static/js/graveyard/geom.js
index 3eaffb7..059752d 100644
--- a/static/js/graveyard/geom.js
+++ b/static/js/graveyard/geom.js
@@ -1,9 +1,6 @@
-/* Copyright 2016 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 or at
- * https://developers.google.com/open-source/licenses/bsd
- */
+// Copyright 2016 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 // functions for dealing with layout and geometry of page elements.
 // Requires shapes.js
diff --git a/static/js/graveyard/listen.js b/static/js/graveyard/listen.js
index 953d674..ba7980e 100644
--- a/static/js/graveyard/listen.js
+++ b/static/js/graveyard/listen.js
@@ -1,9 +1,6 @@
-/* Copyright 2016 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 or at
- * https://developers.google.com/open-source/licenses/bsd
- */
+// Copyright 2016 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 var listen;
 var unlisten;
diff --git a/static/js/graveyard/popup_controller.js b/static/js/graveyard/popup_controller.js
index 41c2956..fca8603 100644
--- a/static/js/graveyard/popup_controller.js
+++ b/static/js/graveyard/popup_controller.js
@@ -1,9 +1,6 @@
-/* Copyright 2016 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 or at
- * https://developers.google.com/open-source/licenses/bsd
- */
+// Copyright 2016 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 /**
  * It is common to make a DIV temporarily visible to simulate
diff --git a/static/js/graveyard/shapes.js b/static/js/graveyard/shapes.js
index 27cd7f1..106ea94 100644
--- a/static/js/graveyard/shapes.js
+++ b/static/js/graveyard/shapes.js
@@ -1,9 +1,6 @@
-/* Copyright 2016 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 or at
- * https://developers.google.com/open-source/licenses/bsd
- */
+// Copyright 2016 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 // shape related classes
 
diff --git a/static/js/graveyard/xmlhttp.js b/static/js/graveyard/xmlhttp.js
index eaf1f36..17f8136 100644
--- a/static/js/graveyard/xmlhttp.js
+++ b/static/js/graveyard/xmlhttp.js
@@ -1,9 +1,6 @@
-/* Copyright 2016 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 or at
- * https://developers.google.com/open-source/licenses/bsd
- */
+// Copyright 2016 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 /**
  * @fileoverview A bunch of XML HTTP recipes used to do RPC from JavaScript