diff --git a/lib/security/auth.js b/lib/security/auth.js
index <HASH>..<HASH> 100644
--- a/lib/security/auth.js
+++ b/lib/security/auth.js
@@ -1,8 +1,7 @@
 module.exports = function(username, password){
     'use strict';
 
-    var async = require('async'),
-        users = require('../entities/users'),
+    var users = require('../entities/users'),
         tokens = require('../entities/tokens'),
         uuid  = require('node-uuid'),
         q = require('q'),
removed async module reference.