diff --git a/static/js/libs/pdf/compatibility.js b/static/js/libs/pdf/compatibility.js
index 967e312a..7fc076c4 100644
--- a/static/js/libs/pdf/compatibility.js
+++ b/static/js/libs/pdf/compatibility.js
@@ -1,5 +1,3 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 /* Copyright 2012 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/static/js/libs/pdf/pdf.js b/static/js/libs/pdf/pdf.js
index 9b089ad6..3627683f 100644
--- a/static/js/libs/pdf/pdf.js
+++ b/static/js/libs/pdf/pdf.js
@@ -1,5 +1,3 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 /* Copyright 2012 Mozilla Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");