diff --git a/egs/librispeech/ASR/zipformer/streaming_ctc_decode.py b/egs/librispeech/ASR/zipformer/streaming_ctc_decode.py
index 3e7b5e1e8..ab550290c 100755
--- a/egs/librispeech/ASR/zipformer/streaming_ctc_decode.py
+++ b/egs/librispeech/ASR/zipformer/streaming_ctc_decode.py
@@ -377,7 +377,6 @@ def decode_dataset(
             params=params,
             cut_id=cut.id,
             initial_states=initial_states,
-            decoding_graph=decoding_graph,
             device=device,
         )