diff --git a/library/Zend/Barcode/Object/Code128.php b/library/Zend/Barcode/Object/Code128.php
index fb9dad1294c..fed351e6cd3 100644
--- a/library/Zend/Barcode/Object/Code128.php
+++ b/library/Zend/Barcode/Object/Code128.php
@@ -206,8 +206,6 @@ protected function convertToBarcodeChars($string)
         }
 
         $currentCharset = null;
-        $sum = 0;
-        $fak = 0;
         $result = array();
 
         for ($pos = 0; $pos < strlen($string); $pos++) {