diff --git a/js/elementMenu.js b/js/elementMenu.js
index 2c1c12f9e0b345c6aacfb16a25d9efc5ea06cc58..e1d11d4ca8ce37b678c7c1a1790056a017b4eead 100644
--- a/js/elementMenu.js
+++ b/js/elementMenu.js
@@ -2,8 +2,6 @@
  * Created by aghassaei on 1/8/15.
  */
 
-Parallel = Parallel || {};
-
 $(function(){
 
     three = three || {};
diff --git a/main.html b/main.html
index dbb6ef67f38de06ed1c07fec0ca83cb2ba918484..2d266ffebad111e980b05dd39be0937924ff836f 100644
--- a/main.html
+++ b/main.html
@@ -31,7 +31,6 @@
     <script src="dependencies/THREE2STL.js"></script>
 
     <!--multi-threading-->
-    <script src="dependencies/parallel.js"></script>
     <script src="js/worker.js"></script>
     <script src="js/persistentWorkers.js"></script><!--global workers-->