diff --git a/apps/presentationeditor/main/index.html b/apps/presentationeditor/main/index.html
index 80f6fec6a..8a3f42d7b 100644
--- a/apps/presentationeditor/main/index.html
+++ b/apps/presentationeditor/main/index.html
@@ -231,10 +231,6 @@
 
     <script type="text/javascript" src="../../../vendor/jquery/jquery.min.js"></script>
     <script type="text/javascript" src="../../../vendor/xregexp/xregexp-all-min.js"></script>
-    <script type="text/javascript" src="../../../vendor/underscore/underscore-min.js"></script>
-    <link rel="stylesheet" type="text/css" href="../../../vendor/perfect-scrollbar/src/perfect-scrollbar.css" />
-    <script type="text/javascript" src="../../../vendor/perfect-scrollbar/src/jquery.mousewheel.js"></script>
-    <script type="text/javascript" src="../../../vendor/perfect-scrollbar/src/perfect-scrollbar.js"></script>
 
     <script type="text/javascript">
         window.g_debug_mode = true;