--- a/mercurial/interfaces/dirstate.py	Tue Aug 24 21:09:01 2021 +0200
+++ b/mercurial/interfaces/dirstate.py	Tue Aug 24 21:09:20 2021 +0200
@@ -132,9 +132,6 @@
     def copies():
         pass
 
-    def add(f):
-        '''Mark a file added.'''
-
     def remove(f):
         '''Mark a file removed.'''