diff --git a/python/sglang/srt/entrypoints/engine.py b/python/sglang/srt/entrypoints/engine.py
index 25d8231fe..d14e3d15c 100644
--- a/python/sglang/srt/entrypoints/engine.py
+++ b/python/sglang/srt/entrypoints/engine.py
@@ -42,9 +42,6 @@ from typing import (
     Union,
 )
 
-# Fix a bug of Python threading
-setattr(threading, "_register_atexit", lambda *args, **kwargs: None)
-
 import torch
 import uvloop
 import zmq
diff --git a/python/sglang/srt/entrypoints/http_server.py b/python/sglang/srt/entrypoints/http_server.py
index b0e6ed231..8f7722311 100644
--- a/python/sglang/srt/entrypoints/http_server.py
+++ b/python/sglang/srt/entrypoints/http_server.py
@@ -38,10 +38,6 @@ from typing import (
     Union,
 )
 
-# Fix a bug of Python threading
-setattr(threading, "_register_atexit", lambda *args, **kwargs: None)
-
-
 import numpy as np
 import requests
 import uvicorn