diff --git a/xiaomusic/httpserver.py b/xiaomusic/httpserver.py
index ccd0159..73f0735 100644
--- a/xiaomusic/httpserver.py
+++ b/xiaomusic/httpserver.py
@@ -2,7 +2,6 @@ import asyncio
 import hashlib
 import json
 import os
-import re
 import secrets
 import shutil
 import tempfile
@@ -689,9 +688,6 @@ def access_key_verification(file_path, key, code):
     return False
 
 
-range_pattern = re.compile(r"bytes=(\d+)-(\d*)")
-
-
 def safe_redirect(url):
     url = try_add_access_control_param(config, url)
     url = url.replace("\\", "")