diff --git a/python/sglang/srt/layers/attention/trtllm_mha_backend.py b/python/sglang/srt/layers/attention/trtllm_mha_backend.py
index 2e7c67758..1d197c5da 100644
--- a/python/sglang/srt/layers/attention/trtllm_mha_backend.py
+++ b/python/sglang/srt/layers/attention/trtllm_mha_backend.py
@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-from python.sglang.srt.layers.radix_attention import RadixAttention
-
 """
 Support attention backend for TRTLLM MLA kernels from flashinfer.
 """