diff --git a/app/Services/Equipment/ServerPartService.php b/app/Services/Equipment/ServerPartService.php
index 97cb4eb..348abf7 100644
--- a/app/Services/Equipment/ServerPartService.php
+++ b/app/Services/Equipment/ServerPartService.php
@@ -221,9 +221,6 @@ class ServerPartService extends EquipmentService
     public function detachFromServer(ServerEntity $serverEntity): void
     {
         foreach ($this->getEntities(['serverinfo_uid' => $serverEntity->getPK(), "billing !=" => PAYMENT['BILLING']['BASE']]) as $entity) {
-            if (!$entity instanceof ServerPartEntity) {
-                continue;
-            }
             //파트정보 해지
             $this->getPartService($entity->getType())->detachFromServerPart($entity);
             //서버파트 해지