diff --git a/src/PayU/PaymentsApi/PaymentsV4/Services/AluResponseMapper.php b/src/PayU/PaymentsApi/PaymentsV4/Services/AluResponseMapper.php
index 0dedf75f..a20c592a 100644
--- a/src/PayU/PaymentsApi/PaymentsV4/Services/AluResponseMapper.php
+++ b/src/PayU/PaymentsApi/PaymentsV4/Services/AluResponseMapper.php
@@ -98,7 +98,6 @@ public function processResponse($aluResponseBody)
     /**
      * @param $array
      * @return void
-     * todo see if can use array_walk_recursive
      */
     private function removeEmptyValuesFromArray(array &$array)
     {