diff --git a/app/services/chat/retry_handler.py b/app/services/chat/retry_handler.py
index b83f517..6646e0f 100644
--- a/app/services/chat/retry_handler.py
+++ b/app/services/chat/retry_handler.py
@@ -3,7 +3,6 @@
 from typing import TypeVar, Callable
 from functools import wraps
 from app.core.logger import get_retry_logger
-from app.services.key_manager import KeyManager
 
 T = TypeVar('T')
 logger = get_retry_logger()