diff --git a/aiogram/client/default.py b/aiogram/client/default.py
index 0500f4dc..ee422982 100644
--- a/aiogram/client/default.py
+++ b/aiogram/client/default.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Any, Optional
+from typing import TYPE_CHECKING, Any
 
 from aiogram.utils.dataclass import dataclass_kwargs
 
diff --git a/aiogram/filters/callback_data.py b/aiogram/filters/callback_data.py
index d17ce332..fc08994f 100644
--- a/aiogram/filters/callback_data.py
+++ b/aiogram/filters/callback_data.py
@@ -1,12 +1,11 @@
 from __future__ import annotations
 
-import sys
 import types
 import typing
 from decimal import Decimal
 from enum import Enum
 from fractions import Fraction
-from typing import TYPE_CHECKING, Any, ClassVar, Literal, TypeVar, Union
+from typing import TYPE_CHECKING, Any, ClassVar, Literal, TypeVar
 from uuid import UUID
 
 from pydantic import BaseModel