diff --git a/backend/apps/ollama/main.py b/backend/apps/ollama/main.py
index 25a98686c..03a8e198e 100644
--- a/backend/apps/ollama/main.py
+++ b/backend/apps/ollama/main.py
@@ -21,7 +21,7 @@ import asyncio
 import logging
 import time
 from urllib.parse import urlparse
-from typing import Optional, List, Union
+from typing import Optional, Union
 
 from starlette.background import BackgroundTask
 
diff --git a/backend/utils/misc.py b/backend/utils/misc.py
index ade8d93b5..2eed58f41 100644
--- a/backend/utils/misc.py
+++ b/backend/utils/misc.py
@@ -2,7 +2,7 @@ from pathlib import Path
 import hashlib
 import re
 from datetime import timedelta
-from typing import Optional, List, Tuple, Callable
+from typing import Optional, Callable
 import uuid
 import time
 
@@ -52,7 +52,7 @@ def remove_system_message(messages: list[dict]) -> list[dict]:
     return [message for message in messages if message["role"] != "system"]
 
 
-def pop_system_message(messages: list[dict]) -> Tuple[Optional[dict], list[dict]]:
+def pop_system_message(messages: list[dict]) -> tuple[Optional[dict], list[dict]]:
     return get_system_message(messages), remove_system_message(messages)
 
 
diff --git a/backend/utils/tools.py b/backend/utils/tools.py
index 76d616c59..eac36b5d9 100644
--- a/backend/utils/tools.py
+++ b/backend/utils/tools.py
@@ -1,5 +1,5 @@
 import inspect
-from typing import get_type_hints, List, Dict, Any
+from typing import get_type_hints
 
 
 def doc_to_dict(docstring):