diff --git a/godoc/static/play.js b/godoc/static/play.js
index 20350fad..7e87460b 100644
--- a/godoc/static/play.js
+++ b/godoc/static/play.js
@@ -2,10 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This is a copy of present/js/play.js from the repository at
-// https://code.google.com/p/go.talks
-// Please make changes to that repository.
-
 function initPlayground(transport) {
 	"use strict";
 
diff --git a/godoc/static/playground.js b/godoc/static/playground.js
index 849015d1..bc82c1c6 100644
--- a/godoc/static/playground.js
+++ b/godoc/static/playground.js
@@ -2,10 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This is a copy of present/js/playground.js from the repository at
-// https://code.google.com/p/go.talks
-// Please make changes to that repository.
-
 /*
 In the absence of any formal way to specify interfaces in JavaScript,
 here's a skeleton implementation of a playground transport.
diff --git a/godoc/static/static.go b/godoc/static/static.go
index a4649696..ede537b0 100644
--- a/godoc/static/static.go
+++ b/godoc/static/static.go
@@ -836,10 +836,6 @@ SUBDIRECTORIES
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This is a copy of present/js/play.js from the repository at
-// https://code.google.com/p/go.talks
-// Please make changes to that repository.
-
 function initPlayground(transport) {
 	"use strict";
 
@@ -944,10 +940,6 @@ function initPlayground(transport) {
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// This is a copy of present/js/playground.js from the repository at
-// https://code.google.com/p/go.talks
-// Please make changes to that repository.
-
 /*
 In the absence of any formal way to specify interfaces in JavaScript,
 here's a skeleton implementation of a playground transport.