diff --git a/src/storage_manager/index.js b/src/storage_manager/index.js
index b5f404895..e0e65da9f 100644
--- a/src/storage_manager/index.js
+++ b/src/storage_manager/index.js
@@ -54,7 +54,6 @@ import defaults from './config/config';
 import LocalStorage from './model/LocalStorage';
 import RemoteStorage from './model/RemoteStorage';
 import Module from 'common/module';
-import { deepMerge } from 'utils/mixins';
 import { isEmpty, isFunction } from 'underscore';
 
 const eventStart = 'storage:start';