diff --git a/api/core/rag/datasource/retrieval_service.py b/api/core/rag/datasource/retrieval_service.py
index adb025a4784be1..1c7b92568c3629 100644
--- a/api/core/rag/datasource/retrieval_service.py
+++ b/api/core/rag/datasource/retrieval_service.py
@@ -1,6 +1,6 @@
 import concurrent.futures
 import json
-from typing import Any, Optional, cast
+from typing import Optional, cast
 
 from flask import Flask, current_app
 from sqlalchemy.orm import load_only