diff --git a/fastapi/routing.py b/fastapi/routing.py
index 94e8b0722..c10175b16 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -3,7 +3,6 @@ import email.message
 import functools
 import inspect
 import json
-import sys
 from contextlib import AsyncExitStack, asynccontextmanager
 from enum import Enum, IntEnum
 from typing import (
@@ -79,11 +78,6 @@ from starlette.types import AppType, ASGIApp, Lifespan, Receive, Scope, Send
 from starlette.websockets import WebSocket
 from typing_extensions import Annotated, deprecated
 
-if sys.version_info >= (3, 13):  # pragma: no cover
-    pass
-else:  # pragma: no cover
-    pass
-
 
 # Copy of starlette.routing.request_response modified to include the
 # dependencies' AsyncExitStack