diff --git a/modules/issuetracker/classes/svn.class.php b/modules/issuetracker/classes/svn.class.php
index 25e75cb81..7cacf7068 100644
--- a/modules/issuetracker/classes/svn.class.php
+++ b/modules/issuetracker/classes/svn.class.php
@@ -9,7 +9,6 @@
         var $url = null;
 
         var $svn_cmd = null;
-        var $diff_cmd = null;
 
         var $tmp_dir = '/tmp';
 
@@ -17,13 +16,12 @@
         var $userid = null;
         var $passwd = null;
 
-        function Svn($url, $svn_cmd='/usr/bin/svn', $diff_cmd='/usr/bin/diff', $userid=null, $passwd=null) {
+        function Svn($url, $svn_cmd='/usr/bin/svn', $userid=null, $passwd=null) {
             if(substr($url,-1)!='/') $url .= '/';
             $this->url = $url;
 
             if(strstr($svn_cmd, " ") != FALSE) $this->svn_cmd = '"'.$svn_cmd.'"' ;
             else $this->svn_cmd = $svn_cmd;
-            $this->diff_cmd = $diff_cmd;
 
             $this->tmp_dir = _XE_PATH_.'files/cache/tmp';
             if(!is_dir($this->tmp_dir)) FileHandler::makeDir($this->tmp_dir);
@@ -134,67 +132,6 @@
             return $output;
         }
 
-        function getDiff($path, $brev = null, $erev = null) {
-            $eContent = $this->getFileContent($path, $erev);
-            $bContent = $this->getFileContent($path, $brev);
-            if(!$eContent||!$bContent) return;
-
-            $eFile = sprintf('%s/tmp.%s',$this->tmp_dir, md5($eContent->revision."\n".$eContent->content));
-            $bFile = sprintf('%s/tmp.%s',$this->tmp_dir, md5($bContent->revision."\n".$bContent->content));
-
-            $f = fopen($eFile,'w');
-            fwrite($f, $eContent->content);
-            fclose($f);
-
-            $f = fopen($bFile,'w');
-            fwrite($f, $bContent->content);
-            fclose($f);
-
-            $command = sprintf('%s %s %s', $this->diff_cmd, $bFile, $eFile);
-            $output = $this->execCmd($command, $error);
-
-            $list = explode("\n", $output);
-            $cnt = count($list);
-
-            $output = array();
-            $obj = null;
-            for($i=0;$i<$cnt;$i++) {
-                $line = $list[$i];
-                if(preg_match('/^([0-9,]+)(d|c|a)([0-9,]+)$/',$line, $mat)) {
-                    if($obj!==null) $output[] = $obj;
-                    $obj = null;
-                    $before = $mat[1];
-                    switch($mat[2]) {
-                        case 'c' : $type = 'modified'; break;
-                        case 'd' : $type = 'deleted'; break;
-                        case 'a' : $type = 'added'; break;
-                    }
-
-                    $t = explode(',',$after);
-                    $after = $mat[3];
-
-                    $obj->before_line = $before;
-                    $obj->after_line = $after;
-                    $obj->diff_type = $type;
-                    $obj->before_code = '';
-                    $obj->after_code = '';
-                }
-
-                if($obj!==null&&preg_match('/^</',$line)) {
-                    $str = substr($line,1);
-                    $obj->before_code .= $str."\n";
-                }
-
-                if($obj!==null&&preg_match('/^>/',$line)) {
-                    $str = substr($line,1);
-                    $obj->after_code .= $str."\n";
-                }
-            }
-            if($obj!==null) $output[] = $obj;
-
-            return $output;
-        }
-
         function parseComp(&$list)
         {
             $cnt = count($list);
diff --git a/modules/issuetracker/issuetracker.controller.php b/modules/issuetracker/issuetracker.controller.php
index fd7f12cb6..e1d8ee582 100644
--- a/modules/issuetracker/issuetracker.controller.php
+++ b/modules/issuetracker/issuetracker.controller.php
@@ -427,7 +427,7 @@
         {
             if(!$module_info->svn_url || !$module_info->svn_cmd) return;
             require_once($this->module_path.'classes/svn.class.php');
-            $oSvn = new Svn($module_info->svn_url, $module_info->svn_cmd, $module_info->diff_cmd, $module_info->svn_userid, $module_info->svn_passwd);
+            $oSvn = new Svn($module_info->svn_url, $module_info->svn_cmd, $module_info->svn_userid, $module_info->svn_passwd);
             $oModel = &getModel('issuetracker');
             $status = $oSvn->getStatus();
             if(!$status || !$status->revision) return;
diff --git a/modules/issuetracker/issuetracker.view.php b/modules/issuetracker/issuetracker.view.php
index 6584232ae..2e4e1f012 100644
--- a/modules/issuetracker/issuetracker.view.php
+++ b/modules/issuetracker/issuetracker.view.php
@@ -170,7 +170,7 @@
             $erev = Context::get('erev');
             $brev = Context::get('brev');
 
-            $oSvn = new Svn($this->module_info->svn_url, $this->module_info->svn_cmd, $this->module_info->diff_cmd);
+            $oSvn = new Svn($this->module_info->svn_url, $this->module_info->svn_cmd);
             $current = $oSvn->getStatus($path);
             Context::set('current', $current);
 
diff --git a/modules/issuetracker/skins/xe_issuetracker/source_diff.html b/modules/issuetracker/skins/xe_issuetracker/source_diff.html
deleted file mode 100644
index 77f4daa04..000000000
--- a/modules/issuetracker/skins/xe_issuetracker/source_diff.html
+++ /dev/null
@@ -1,40 +0,0 @@
-<!--#include("source_header.html")-->
-
-<h3>Diff between revs {$brev} to revs {$erev}</h3>
-<h1>{$path}</h1>
-
-<ol>
-    <li>[<a href="{getUrl('type','log','path',urlencode($path),'erev',$erev,'brev',$brev)}">view log</a>]</li>
-    <li>[<a href="{getUrl('type','file','path',urlencode($path),'revs',$erev)}">view code</a>]</li>
-</ol>
-
-<!--@if($diff)-->
-    <table>
-    <col width="80" />
-    <col width="*" />
-    <col width="*" />
-    <thead>
-    <tr>
-        <th>Status</th>
-        <th class="before">Rev. {$brev}</th>
-        <th class="after">Rev. {$erev}</th>
-    </tr>
-    </thead>
-    <tbody>
-    <!--@foreach($diff as $item)-->
-    <tr class="line">
-        <td rowspan="2" class="tCenter {$item->diff_type}">{$item->diff_type}</td>
-        <td class="before">line {$item->before_line}</td>
-        <td class="after">line {$item->after_line}</td>
-    </tr>
-    <tr class="code">
-        <td>{nl2br(htmlspecialchars($item->before_code))}</td>
-        <td>{nl2br(htmlspecialchars($item->after_code))}</td>
-    </tr>
-    <!--@end-->
-    </tbody>
-    </table>
-
-<!--@end-->
-
-<!--#include("source_footer.html")-->
diff --git a/modules/issuetracker/tpl/project_insert.html b/modules/issuetracker/tpl/project_insert.html
index 6df3ef8c6..24f9781a3 100644
--- a/modules/issuetracker/tpl/project_insert.html
+++ b/modules/issuetracker/tpl/project_insert.html
@@ -90,13 +90,6 @@
             <p>{$lang->about_svn_cmd}</p>
         </td>
     </tr>
-    <tr class="row2">
-        <th scope="row"><div>{$lang->diff_cmd}</div></th>
-        <td>
-            <input type="text" name="diff_cmd" value="{$module_info->diff_cmd}"  class="inputTypeText w300" />
-            <p>{$lang->about_diff_cmd}</p>
-        </td>
-    </tr>
     <tr>
         <th scope="row"><div>{$lang->svn_userid}</div></th>
         <td>