(function() {
  'use strict';

  angular
    .module('storytellingDemo')
    .controller('MainController', MainController);

  /** @ngInject */
  function MainController() {
    var vm = this;
  }
})();

(function() {
  'use strict';

  angular
    .module('storytellingDemo')
    .controller('MainController', MainController);

  /** @ngInject */
  function MainController() {
    //var vm = this;
  }
})();

comment unused var