diff --git a/javascript/grid-ui/src/serviceWorker.js b/javascript/grid-ui/src/serviceWorker.js
index 3576d2ce95c8f..b4a44a94972f0 100644
--- a/javascript/grid-ui/src/serviceWorker.js
+++ b/javascript/grid-ui/src/serviceWorker.js
@@ -15,6 +15,9 @@
 // specific language governing permissions and limitations
 // under the License.
 
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
 // This lets the app load faster on subsequent visits in production, and gives
 // it offline capabilities. However, it also means that developers (and users)
 // will only see deployed updates on subsequent visits to a page, after all the
diff --git a/javascript/node/selenium-webdriver/devtools/CDPConnection.js b/javascript/node/selenium-webdriver/devtools/CDPConnection.js
index 2398a50b923ae..304638afc2b71 100644
--- a/javascript/node/selenium-webdriver/devtools/CDPConnection.js
+++ b/javascript/node/selenium-webdriver/devtools/CDPConnection.js
@@ -15,25 +15,6 @@
 // specific language governing permissions and limitations
 // under the License.
 
-/*
- * Licensed to the Software Freedom Conservancy (SFC) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The SFC licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
 class CDPConnection {
   constructor(wsConnection) {
     this._wsConnection = wsConnection
diff --git a/javascript/node/selenium-webdriver/test/elementAccessibleName_test.js b/javascript/node/selenium-webdriver/test/elementAccessibleName_test.js
index 236f3908e35c2..0313907ef2a7d 100644
--- a/javascript/node/selenium-webdriver/test/elementAccessibleName_test.js
+++ b/javascript/node/selenium-webdriver/test/elementAccessibleName_test.js
@@ -15,25 +15,6 @@
 // specific language governing permissions and limitations
 // under the License.
 
-/*
- * Licensed to the Software Freedom Conservancy (SFC) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The SFC licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
 'use strict'
 
 const assert = require('assert')
diff --git a/javascript/node/selenium-webdriver/test/elementAriaRole_test.js b/javascript/node/selenium-webdriver/test/elementAriaRole_test.js
index 6479b320b1215..470e2b21810b2 100644
--- a/javascript/node/selenium-webdriver/test/elementAriaRole_test.js
+++ b/javascript/node/selenium-webdriver/test/elementAriaRole_test.js
@@ -15,25 +15,6 @@
 // specific language governing permissions and limitations
 // under the License.
 
-/*
- * Licensed to the Software Freedom Conservancy (SFC) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The SFC licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
 'use strict'
 
 const assert = require('assert')