diff --git a/core/core-frontend/src/websocket/index.ts b/core/core-frontend/src/websocket/index.ts
index d330f36..63ac379 100644
--- a/core/core-frontend/src/websocket/index.ts
+++ b/core/core-frontend/src/websocket/index.ts
@@ -4,7 +4,6 @@ import { useCache } from '@/hooks/web/useCache'
 import { useEmitt } from '@/hooks/web/useEmitt'
 const { wsCache } = useCache()
 let stompClient: Stomp.Client
-let timeInterval: NodeJS.Timer | null = null
 import dev from '../../config/dev'
 const env = import.meta.env
 const basePath = env.VITE_API_BASEPATH