diff --git a/gulliver/system/class.rbac.php b/gulliver/system/class.rbac.php
index d8d333f27..16c1fd3bb 100644
--- a/gulliver/system/class.rbac.php
+++ b/gulliver/system/class.rbac.php
@@ -1001,4 +1001,53 @@ class RBAC
       exit(0);
     }
   }
+
+private function getAllFiles($directory, $recursive = true ) {
+    $result = array();
+    $handle =  opendir($directory);
+    while ($datei = readdir($handle))
+    {
+        if (($datei != '.') && ($datei != '..'))
+        {
+            $file = $directory.$datei;
+            if (is_dir($file)) {
+                if ($recursive) {
+                    $result = array_merge($result, getAllFiles($file.'/'));
+                }
+            } else {
+                $result[] = $file;
+            }
+        }
+    }
+    closedir($handle);
+    return $result;
+}
+
+private function getFilesTimestamp($directory, $recursive = true) {
+    $allFiles  = self::getAllFiles($directory, $recursive);
+    $fileArray = array ();
+    foreach ($allFiles as $val) {
+	    $timeResult['file']      = $val;
+	    $timeResult['timestamp'] = filemtime($val);
+        $fileArray[] = $timeResult;
+    }
+    return $fileArray;
+}
+
+public function cleanSessionFiles($hours = 72){
+  $currentTime = strtotime("now");
+  $timeDifference = $hours*60*60;
+  $limitTime = $currentTime - $timeDifference;
+  $sessionsPath = PATH_DATA.'session'.PATH_SEP;
+  $filesResult = self::getFilesTimestamp($sessionsPath);
+  $count = 0;
+  foreach ($filesResult as $file){
+    if ( $file['timestamp'] < $limitTime ){
+      unlink ($file['file']);
+      $count++;
+    }
+  }
+}
+
+
 }
\ No newline at end of file
diff --git a/workflow/engine/methods/login/authentication.php b/workflow/engine/methods/login/authentication.php
index b15e2c048..012fe1bf9 100644
--- a/workflow/engine/methods/login/authentication.php
+++ b/workflow/engine/methods/login/authentication.php
@@ -40,6 +40,8 @@ try {
     $pwd = trim($frm['USR_PASSWORD']);
   }
   $uid = $RBAC->VerifyLogin($usr , $pwd);
+  //cleaning session files older than 72 hours
+  $RBAC->cleanSessionFiles(72);
   $sPwd = 'currentPwd';
   switch ($uid) {
     //The user does not exist
diff --git a/workflow/engine/templates/setup/appCacheViewConf.js b/workflow/engine/templates/setup/appCacheViewConf.js
index 3361c644a..3aca1f082 100755
--- a/workflow/engine/templates/setup/appCacheViewConf.js
+++ b/workflow/engine/templates/setup/appCacheViewConf.js
@@ -185,38 +185,8 @@ Ext.onReady(function() {
       }]      
     }
 
-    fieldsetSession = {
-      xtype : 'fieldset',
-      title : TRANSLATIONS.ID_CACHE_SUBTITLE_SETUP_SESSION, // 'Deleting the sessions',
-      collapsible : false,
-      autoHeight  : true,
-      defaults    : { width : 100 },
-      defaultType : 'textfield',
-      buttons : [{
-        text : TRANSLATIONS.ID_CACHE_BTN_SETUP_SESSION, // 'Setup sessions',
-        handler : function() {
-          Ext.Msg.show ({ msg : TRANSLATIONS.ID_PROCESSING, wait:true,waitConfig: {interval:400} });
-          Ext.Ajax.request({
-            url: 'deleteSessions',
-            success: function(response) {
-              Ext.MessageBox.hide();
-              Ext.Msg.alert ( '', response.responseText );
-            },
-            failure : function(response) {
-              Ext.Msg.hide();
-              Ext.Msg.alert ( 'Error', response.responseText );
-            },
-            // params: { request: 'recreate-root', lang: 'en', host: Ext.getCmp('txtHost').getValue(), user: Ext.getCmp('txtUser').getValue(), password: Ext.getCmp('txtPasswd').getValue() },
-            // timeout : 1000
-            // 30 mins
-            timeout : 1000*60*30 //30 mins
-          });
-        }
-      }]
-    }
     fsf.add(fieldset);
     fsf.add(fieldsetRoot);
-    fsf.add(fieldsetSession);
     fsf.render(document.getElementById('main-panel'));
 
     //set the current language