diff --git a/aiogram/client/session/middlewares/retry_after.py b/aiogram/client/session/middlewares/retry_after.py
deleted file mode 100644
index 1a3fe2ce..00000000
--- a/aiogram/client/session/middlewares/retry_after.py
+++ /dev/null
@@ -1,48 +0,0 @@
-import asyncio
-import time
-
-from aiogram import Bot
-from aiogram.client.session.middlewares.base import (
-    BaseRequestMiddleware,
-    NextRequestMiddlewareType,
-)
-from aiogram.exceptions import TelegramNetworkError, TelegramRetryAfter
-from aiogram.methods import GetUpdates, TelegramMethod
-from aiogram.methods.base import Response, TelegramType
-
-
-class RetryAfterMiddleware(BaseRequestMiddleware):
-    def __init__(self, max_retry_timeout: float = 10):
-        self.max_retry_timeout = max_retry_timeout
-
-    async def __call__(
-        self,
-        make_request: NextRequestMiddlewareType[TelegramType],
-        bot: "Bot",
-        method: TelegramMethod[TelegramType],
-    ) -> Response[TelegramType]:
-        if isinstance(method, GetUpdates):
-            # Get updates retried in polling process
-            return await make_request(bot, method)
-
-        start = time.monotonic()
-
-        while True:
-            try:
-                result = await make_request(bot, method)
-            except TelegramRetryAfter as e:
-                error = e
-                sleep_interval = e.retry_after
-            except TelegramNetworkError as e:
-                error = e
-                sleep_interval = 1
-            else:
-                break
-
-            request_time = time.monotonic() + sleep_interval
-            if request_time - start < 0:
-                raise error
-
-            await asyncio.sleep(sleep_interval)
-
-        return result