diff --git a/Gruntfile.js b/Gruntfile.js
index 6d0395fbe663..9481043cf674 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -146,8 +146,7 @@ module.exports = function(grunt) {
       },
       mocks: {
         dest: 'build/angular-mocks.js',
-        src: ['src/ngMock/angular-mocks.js'],
-        strict: false
+        src: util.wrap(['src/ngMock/angular-mocks.js'], 'module')
       },
       sanitize: {
         dest: 'build/angular-sanitize.js',
diff --git a/src/ngMock/angular-mocks.js b/src/ngMock/angular-mocks.js
index bfb601fdf62b..51d60aecec6e 100644
--- a/src/ngMock/angular-mocks.js
+++ b/src/ngMock/angular-mocks.js
@@ -1,10 +1,4 @@
-/**
- * @license AngularJS v"NG_VERSION_FULL"
- * (c) 2010-2012 Google, Inc. http://angularjs.org
- * License: MIT
- *
- * TODO(vojta): wrap whole file into closure during build
- */
+'use strict';
 
 /**
  * @ngdoc overview