diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -42,7 +42,6 @@
     open,
     setattr,
 )
-from .node import hex
 from hgdemandimport import tracing
 from . import (
     encoding,