diff --git a/python/sglang/srt/distributed/parallel_state.py b/python/sglang/srt/distributed/parallel_state.py
index d97c348ef..c6d1a8307 100644
--- a/python/sglang/srt/distributed/parallel_state.py
+++ b/python/sglang/srt/distributed/parallel_state.py
@@ -41,7 +41,6 @@ from torch.distributed import Backend, ProcessGroup
 from sglang.srt.utils import (
     direct_register_custom_op,
     is_cuda_alike,
-    is_hip,
     supports_custom_op,
 )
 
@@ -953,9 +952,6 @@ _ENABLE_CUSTOM_ALL_REDUCE = True
 def set_custom_all_reduce(enable: bool):
     global _ENABLE_CUSTOM_ALL_REDUCE
     _ENABLE_CUSTOM_ALL_REDUCE = enable
-    if enable and is_hip():
-        logger.warning("HIP doesn't support custom_all_reduce, so disable it.")
-        _ENABLE_CUSTOM_ALL_REDUCE = False
 
 
 def init_distributed_environment(