diff --git a/deepmd/pt/utils/stat.py b/deepmd/pt/utils/stat.py
index d246708e48..16c300b13a 100644
--- a/deepmd/pt/utils/stat.py
+++ b/deepmd/pt/utils/stat.py
@@ -8,10 +8,6 @@
     Optional,
     Union,
 )
-
-import numpy as np
-import torch
-
 from deepmd.pt.utils import (
     AtomExcludeMask,
 )