diff --git a/js/public/Result.h b/js/public/Result.h
index d7c2f46c40..631fa366d5 100644
--- a/js/public/Result.h
+++ b/js/public/Result.h
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=8 sts=4 et sw=4 tw=99:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/js/src/builtin/intl/LanguageTag.cpp b/js/src/builtin/intl/LanguageTag.cpp
index 501885dd9d..1049e91bc2 100644
--- a/js/src/builtin/intl/LanguageTag.cpp
+++ b/js/src/builtin/intl/LanguageTag.cpp
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * vim: set ts=8 sts=2 et sw=2 tw=80:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/js/src/builtin/intl/LanguageTag.h b/js/src/builtin/intl/LanguageTag.h
index 5fcce26480..3c2ecb1553 100644
--- a/js/src/builtin/intl/LanguageTag.h
+++ b/js/src/builtin/intl/LanguageTag.h
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * vim: set ts=8 sts=2 et sw=2 tw=80:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/js/src/builtin/intl/Locale.cpp b/js/src/builtin/intl/Locale.cpp
index ee70c0b06f..980ab37f66 100644
--- a/js/src/builtin/intl/Locale.cpp
+++ b/js/src/builtin/intl/Locale.cpp
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * vim: set ts=8 sts=2 et sw=2 tw=80:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/js/src/builtin/intl/Locale.h b/js/src/builtin/intl/Locale.h
index 74ff4b5a71..881906616b 100644
--- a/js/src/builtin/intl/Locale.h
+++ b/js/src/builtin/intl/Locale.h
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * vim: set ts=8 sts=2 et sw=2 tw=80:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/mfbt/Result.h b/mfbt/Result.h
index 85063c8815..780041ffff 100644
--- a/mfbt/Result.h
+++ b/mfbt/Result.h
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=8 sts=4 et sw=4 tw=99:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
diff --git a/mfbt/tests/TestResult.cpp b/mfbt/tests/TestResult.cpp
index da269a9e8e..b02e710003 100644
--- a/mfbt/tests/TestResult.cpp
+++ b/mfbt/tests/TestResult.cpp
@@ -1,5 +1,4 @@
 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */