diff -r 75fc2537d93c -r c514936d92b4 mercurial/interfaces/repository.py
--- a/mercurial/interfaces/repository.py	Thu Dec 23 14:47:52 2021 +0100
+++ b/mercurial/interfaces/repository.py	Thu Dec 23 14:48:31 2021 +0100
@@ -1278,7 +1278,7 @@
     def linkrev(rev):
         """Obtain the changeset revision number a revision is linked to."""
 
-    def revision(node, _df=None, raw=False):
+    def revision(node, _df=None):
         """Obtain fulltext data for a node."""
 
     def rawdata(node, _df=None):