diff --git a/egs/librispeech/ASR/transducer_stateless2/model.py b/egs/librispeech/ASR/transducer_stateless2/model.py
index 9208d0654..d04716706 100644
--- a/egs/librispeech/ASR/transducer_stateless2/model.py
+++ b/egs/librispeech/ASR/transducer_stateless2/model.py
@@ -18,7 +18,6 @@ Note we use `rnnt_loss` from torchaudio, which exists only in
 torchaudio >= v0.10.0. It also means you have to use torch >= v1.10.0
 """
 
-import random
 
 import k2
 import torch