diff --git a/egs/aishell4/ASR/zipformer/decode.py b/egs/aishell4/ASR/zipformer/decode.py
index dc05d67b9..82d630696 100755
--- a/egs/aishell4/ASR/zipformer/decode.py
+++ b/egs/aishell4/ASR/zipformer/decode.py
@@ -788,18 +788,13 @@ def main():
         c.supervisions[0].text = text_normalize(text)
         return c
 
-    dev_cuts = aishell4.valid_cuts()
-    dev_cuts = dev_cuts.map(text_normalize_for_cut)
-    dev_cuts = dev_cuts.filter(remove_short_utt)
-    dev_dl = aishell4.valid_dataloaders(dev_cuts)
-
     test_cuts = aishell4.test_cuts()
     test_cuts = test_cuts.map(text_normalize_for_cut)
     test_cuts = test_cuts.filter(remove_short_utt)
     test_dl = aishell4.test_dataloaders(test_cuts)
 
-    test_sets = ["dev", "test"]
-    test_dls = [dev_dl, test_dl]
+    test_sets = ["test"]
+    test_dls = [test_dl]
 
     for test_set, test_dl in zip(test_sets, test_dls):
         results_dict = decode_dataset(