diff --git a/egs/aishell/ASR/transducer_stateless/export.py b/egs/aishell/ASR/transducer_stateless/export.py
index f0f3f057a..16e897406 100755
--- a/egs/aishell/ASR/transducer_stateless/export.py
+++ b/egs/aishell/ASR/transducer_stateless/export.py
@@ -197,7 +197,6 @@ def main():
 
     lexicon = Lexicon(params.lang_dir)
     
-    # params.blank_id = graph_compiler.texts_to_ids("<blk>")[0][0]
     params.blank_id = 0
     params.vocab_size = max(lexicon.tokens) + 1