diff --git a/python/sglang/srt/disaggregation/mooncake/transfer_engine.py b/python/sglang/srt/disaggregation/mooncake/transfer_engine.py
index d72aec63f..4fb108d0f 100644
--- a/python/sglang/srt/disaggregation/mooncake/transfer_engine.py
+++ b/python/sglang/srt/disaggregation/mooncake/transfer_engine.py
@@ -1,6 +1,4 @@
-import json
 import logging
-from dataclasses import dataclass
 from typing import List, Optional
 
 logger = logging.getLogger(__name__)