diff --git a/litestar/contrib/prometheus/middleware.py b/litestar/contrib/prometheus/middleware.py
index 383421a723..2753e3386c 100644
--- a/litestar/contrib/prometheus/middleware.py
+++ b/litestar/contrib/prometheus/middleware.py
@@ -2,7 +2,6 @@
 
 import time
 from functools import wraps
-import re
 from typing import TYPE_CHECKING, Any, Callable, ClassVar, cast
 
 from litestar.connection.request import Request