public function removeAdminTab() { $adminTabId = Configuration::get('ADMIN_TAB_MODULE_MAPPA'); if (Tab::existsInDatabase($adminTabId, Tab::$definition['table'])) { $adminTab = new Tab($adminTabId); if (!$adminTab->delete()) { return false; } return Configuration::deleteByName('ADMIN_TAB_MODULE_MAPPA'); } return true; }