diff --git a/lib/gollum/frontend/public/javascript/gollum.js b/lib/gollum/frontend/public/javascript/gollum.js
index c8ec5023..5583ea8d 100644
--- a/lib/gollum/frontend/public/javascript/gollum.js
+++ b/lib/gollum/frontend/public/javascript/gollum.js
@@ -206,7 +206,6 @@ $(function(){
   $('ul.inline-tabs').tabs();
 
   var selectedRevisions = [];
-  var baseCompareUrl    = null;
 
   // disable submit button js for accessiblity
   $('form#history input[type=submit]').attr('disabled', true);
@@ -229,9 +228,6 @@ $(function(){
     $('form#history input[type=submit]').attr('disabled', true)
 
     if (selectedRevisions.length == 2) {
-      if(!baseCompareUrl) baseCompareUrl = $('form#history').attr('action')
-      var compareUrl = baseCompareUrl + "/" + selectedRevisions[0] + '...' + selectedRevisions[1]
-      $('form#history').attr('action', compareUrl).attr('method', 'GET')
       $('form#history input[type=submit]').attr('disabled', false)
       var on = false
       $('form#history tr.commit').each(function() {