diff --git a/app/service/proxy/proxy_check_service.py b/app/service/proxy/proxy_check_service.py
index 34fe1c3..394cfef 100644
--- a/app/service/proxy/proxy_check_service.py
+++ b/app/service/proxy/proxy_check_service.py
@@ -3,7 +3,7 @@ Proxy detection service module
 """
 import asyncio
 import time
-from typing import Dict, List, Optional, Tuple
+from typing import Dict, List, Optional
 from urllib.parse import urlparse
 
 import httpx