diff --git a/client/app/scripts/stores/app-store.js b/client/app/scripts/stores/app-store.js
index b13c6c6f7..74b713c89 100644
--- a/client/app/scripts/stores/app-store.js
+++ b/client/app/scripts/stores/app-store.js
@@ -1,6 +1,5 @@
 const EventEmitter = require('events').EventEmitter;
 const _ = require('lodash');
-const assign = require('object-assign');
 const debug = require('debug')('scope:app-store');
 const Immutable = require('immutable');
 
@@ -100,7 +99,7 @@ function setDefaultTopologyOptions(topologyList) {
 
 // Store API
 
-const AppStore = assign({}, EventEmitter.prototype, {
+const AppStore = Object.assign({}, EventEmitter.prototype, {
 
   CHANGE_EVENT: 'change',
 
diff --git a/client/package.json b/client/package.json
index ebb7ad0f5..8a87f0468 100644
--- a/client/package.json
+++ b/client/package.json
@@ -16,7 +16,6 @@
     "keymirror": "0.1.1",
     "lodash": "~3.10.1",
     "materialize-css": "0.97.2",
-    "object-assign": "4.0.1",
     "page": "1.6.4",
     "react": "0.14.2",
     "react-addons-pure-render-mixin": "0.14.2",