--- a/mercurial/interfaces/dirstate.py	Tue Aug 24 22:07:50 2021 +0200
+++ b/mercurial/interfaces/dirstate.py	Tue Aug 24 21:08:09 2021 +0200
@@ -132,18 +132,6 @@
     def copies():
         pass
 
-    def normal(f, parentfiledata=None):
-        """Mark a file normal and clean.
-
-        parentfiledata: (mode, size, mtime) of the clean file
-
-        parentfiledata should be computed from memory (for mode,
-        size), as or close as possible from the point where we
-        determined the file was clean, to limit the risk of the
-        file having been changed by an external process between the
-        moment where the file was determined to be clean and now."""
-        pass
-
     def normallookup(f):
         '''Mark a file normal, but possibly dirty.'''