diff --git a/python/sglang/launch_server.py b/python/sglang/launch_server.py
index 57f1dd10e..dfa491971 100644
--- a/python/sglang/launch_server.py
+++ b/python/sglang/launch_server.py
@@ -1,6 +1,5 @@
 """Launch the inference server."""
 
-import os
 import sys
 
 from sglang.srt.server import launch_server