diff --git a/modules/monitoring/application/views/helpers/_RenderServicePerfdata.php b/modules/monitoring/application/views/helpers/_RenderServicePerfdata.php
deleted file mode 100644
index d7612ac30..000000000
--- a/modules/monitoring/application/views/helpers/_RenderServicePerfdata.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-// {{{ICINGA_LICENSE_HEADER}}}
-// {{{ICINGA_LICENSE_HEADER}}}
-
-class Zend_View_Helper_RenderServicePerfdata extends Zend_View_Helper_Abstract
-{
-    private static $RENDERMAP = array(
-        "check_local_disk" =>  array("self::renderDiskPie")
-    );
-
-    public function renderServicePerfdata($service)
-    {
-        if (isset(self::$RENDERMAP[$service->check_command])) {
-            $fn = self::$RENDERMAP[$service->check_command];
-            $fn($service);
-        }
-    }
-
-    public static function renderDiskPie($service) {
-        $perfdata = $service->performance_data;
-        if(!$perfdata)
-            return "";
-
-    }
-}