protected function _deleteModule($sModuleId)
    {
        $aExt = \OxidEsales\Eshop\Core\Registry::getConfig()->getModulesWithExtendedClass();

        $aUpdatedExt = $this->diffModuleArrays($aExt, $sModuleId);
        $aUpdatedExt = $this->buildModuleChains($aUpdatedExt);

        \OxidEsales\Eshop\Core\Registry::getConfig()->saveShopConfVar('aarr', 'aModules', $aUpdatedExt);
    }