public function uninstall() { $status = true; $veritrans_payment_waiting_order_state_id = Configuration::get('VT_ORDER_STATE_ID'); if ($veritrans_payment_waiting_order_state_id) { $order_state = new OrderStateCore($veritrans_payment_waiting_order_state_id); $order_state->delete(); } if (!parent::uninstall()) { $status = false; } return $status; }