diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_multi_datasets/joiner.py b/egs/librispeech/ASR/pruned_transducer_stateless_multi_datasets/joiner.py
index 3342f8480..c92eca36a 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless_multi_datasets/joiner.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_multi_datasets/joiner.py
@@ -16,7 +16,6 @@
 
 import torch
 import torch.nn as nn
-import torch.nn.functional as F
 
 
 class Joiner(nn.Module):