private function deleteItemById($id, $key, $className)
    {
        /** @var \OxidEsales\Eshop\Core\Model\BaseModel $modelObject */
        $modelObject = oxNew($className);

        if ($modelObject->load($id)) {
            if ($this->_blMallUsers) {
                $modelObject->setIsDerived(false);
            }
            $modelObject->delete();
        }
    }