diff -r 215fd73cfe52 -r 0e8836be9541 mercurial/repository.py
--- a/mercurial/repository.py	Fri Sep 28 11:00:20 2018 -0700
+++ b/mercurial/repository.py	Fri Sep 28 11:03:17 2018 -0700
@@ -1099,9 +1099,6 @@
         that can be converted to an integer.
 
         Raises ``error.LookupError`` if a ndoe could not be resolved.
-
-        TODO this is only used by debug* commands and can probably be deleted
-        easily.
         """
 
     def parents(node):