diff --git a/aiogram/dispatcher/handler/base.py b/aiogram/dispatcher/handler/base.py
index 47abcbb5..6849ddde 100644
--- a/aiogram/dispatcher/handler/base.py
+++ b/aiogram/dispatcher/handler/base.py
@@ -1,12 +1,9 @@
 from abc import ABC, abstractmethod
-from typing import TYPE_CHECKING, Any, Dict, List, Tuple, Union
+from typing import Any, Dict
 
 from aiogram import Bot
 from aiogram.api.types import TelegramObject
 
-if TYPE_CHECKING:  # pragma: no cover
-    from aiogram.dispatcher.event.handler import FilterType  # NOQA: F401
-
 
 class BaseHandlerMixin:
     event: TelegramObject