diff --git a/egs/speech_llm/ASR_LLM/whisper_llm_zh/multi_dataset.py b/egs/speech_llm/ASR_LLM/whisper_llm_zh/multi_dataset.py
index eae967500..f821fd29d 100644
--- a/egs/speech_llm/ASR_LLM/whisper_llm_zh/multi_dataset.py
+++ b/egs/speech_llm/ASR_LLM/whisper_llm_zh/multi_dataset.py
@@ -15,13 +15,10 @@
 # limitations under the License.
 
 
-import glob
 import logging
-import re
 from pathlib import Path
-from typing import Dict, List
+from typing import Dict
 
-import lhotse
 from lhotse import CutSet, load_manifest_lazy