diff --git a/examples/main.py b/examples/main.py
index c8e133d..e068ae9 100644
--- a/examples/main.py
+++ b/examples/main.py
@@ -83,7 +83,7 @@ async def start_up():
                             icon="fa fa-gear",
                             import_=True,
                             search_fields=("key",),
-                            custom_filters=[CustomFilter,],
+                            custom_filters=[CustomFilter],
                         ),
                         Menu(
                             name="Product",
diff --git a/fastapi_admin/depends.py b/fastapi_admin/depends.py
index a093d2d..1fcdf24 100644
--- a/fastapi_admin/depends.py
+++ b/fastapi_admin/depends.py
@@ -1,5 +1,4 @@
 import json
-from typing import Optional
 
 import jwt
 from fastapi import Depends, HTTPException, Path, Query
diff --git a/fastapi_admin/site.py b/fastapi_admin/site.py
index 3f78e73..83f657c 100644
--- a/fastapi_admin/site.py
+++ b/fastapi_admin/site.py
@@ -1,4 +1,4 @@
-from typing import Dict, List, Optional, Tuple, Type, Union
+from typing import Dict, List, Optional, Tuple, Union
 
 from pydantic import BaseModel, HttpUrl