diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2Model.js b/web/gui/src/main/webapp/app/view/topo2/topo2Model.js
index f76456e..c8430fb 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2Model.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2Model.js
@@ -22,8 +22,6 @@
 (function () {
     'use strict';
 
-    var extend;
-
     function Model(attributes) {
 
         var attrs = attributes || {};
@@ -125,7 +123,7 @@
         'FnService',
         function (fn) {
             Model.extend = fn.extend;
-            
+
             return Model;
         }
     ]);