diff --git a/src/js/index.js b/src/js/index.js
index cdad370a5..e5f131260 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -62,22 +62,6 @@ function asyncForEach(items, handler, callback) {
     })();
 }
 
-function asyncSeries(funcs, callback) {
-    var cur = 0;
-
-    if (funcs.length === 0) return callback();
-
-    (function iterator() {
-        funcs[cur](function (error) {
-            if (error) return callback(error);
-            if (cur >= funcs.length-1) return callback();
-            ++cur;
-
-            iterator();
-        });
-    })();
-}
-
 // create main application module
 var app = angular.module('Application', ['ngFitText', 'ngRoute', 'ngAnimate', 'ngSanitize', 'angular-md5', 'base64', 'slick', 'ui-notification', 'ui.bootstrap', 'ui.bootstrap-slider', 'ngTld', 'ui.multiselect']);
 
diff --git a/src/views/app.js b/src/views/app.js
index bd1ddfbf4..3f5ac6e72 100644
--- a/src/views/app.js
+++ b/src/views/app.js
@@ -2,7 +2,7 @@
 
 /* global angular */
 /* global $ */
-/* global asyncSeries */
+/* global async */
 /* global asyncForEach */
 /* global RSTATES */
 /* global ISTATES */
@@ -1580,7 +1580,7 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
                 $scope.setView($scope.app.error ? 'repair' : 'display', true /* skipViewShow */);
             }
 
-            asyncSeries([
+            async.series([
                 fetchUsers,
                 fetchGroups,
                 getDomains,
diff --git a/src/views/users.js b/src/views/users.js
index 5e36a299e..ba944b0f9 100644
--- a/src/views/users.js
+++ b/src/views/users.js
@@ -1,10 +1,10 @@
 'use strict';
 
-/* global angular:false */
-/* global Clipboard:false */
-/* global asyncForEachParallel:false */
-/* global asyncSeries:false */
-/* global $:false */
+/* global angular */
+/* global Clipboard */
+/* global asyncForEachParallel */
+/* global async */
+/* global $ */
 
 angular.module('Application').controller('UsersController', ['$scope', '$location', '$timeout', 'Client', function ($scope, $location, $timeout, Client) {
     Client.onReady(function () { if (!Client.getUserInfo().isAtLeastUserManager) $location.path('/'); });
@@ -167,7 +167,7 @@ angular.module('Application').controller('UsersController', ['$scope', '$locatio
                 var groupIds = $scope.useradd.selectedGroups.map(function (g) { return g.id; });
                 var NOOP = function (next) { next(); };
 
-                asyncSeries([
+                async.series([
                     Client.setGroups.bind(Client, newUserInfo.id, groupIds),
                     $scope.useradd.sendInvite ? Client.createInvite.bind(Client, newUserInfo.id) : NOOP,
                     $scope.useradd.sendInvite ? Client.sendInvite.bind(Client, newUserInfo.id) : NOOP