diff --git a/examples/RLHF/ppo_main.py b/examples/RLHF/ppo_main.py
index d52b30b95f9..6d9c36b3149 100644
--- a/examples/RLHF/ppo_main.py
+++ b/examples/RLHF/ppo_main.py
@@ -16,26 +16,6 @@
 import os
 import sys
 import types
-
-# os.environ["http_proxy"] = "http://10.162.37.16:8128"
-# os.environ["https_proxy"] = "http://10.162.37.16:8128"
-# os.environ["no_proxy"] = "localhost,bcebos.com"
-# launch would unset http_proxy
-# export https_proxy=http://172.19.57.45:3128
-
-# os.environ["http_proxy"] = "http://172.19.56.199:3128"
-# os.environ["https_proxy"] = "http://172.19.56.199:3128"
-
-# os.environ["http_proxy"] = "http://172.19.57.45:3128"
-# os.environ["https_proxy"] = "http://172.19.57.45:3128"
-
-os.environ["http_proxy"] = "http://10.162.37.16:8128"
-os.environ["https_proxy"] = "http://10.162.37.16:8128"
-os.environ["no_proxy"] = "localhost,bcebos.com"
-
-# os.environ["http_proxy"] = "agent.baidu.com:8118"
-# os.environ["https_proxy"] = "agent.baidu.com:8118"
-
 from dataclasses import dataclass, field
 from functools import partial
 from typing import Any, Dict, Tuple
diff --git a/examples/RLHF/reward_main.py b/examples/RLHF/reward_main.py
index 6bcd4485ccf..32237592d86 100644
--- a/examples/RLHF/reward_main.py
+++ b/examples/RLHF/reward_main.py
@@ -32,13 +32,6 @@
 from paddlenlp.transformers import AutoConfig, AutoTokenizer, LlamaTokenizer
 from paddlenlp.utils.log import logger
 
-# launch would unset http_proxy
-# export https_proxy=http://172.19.57.45:3128
-# os.environ["http_proxy"] = "http://172.19.57.45:3128"
-# os.environ["https_proxy"] = "http://172.19.57.45:3128"
-os.environ["http_proxy"] = "http://10.162.37.16:8128"
-os.environ["https_proxy"] = "http://10.162.37.16:8128"
-
 
 @dataclass
 class TrainingArguments(TrainingArguments):