diff -r 34020d1f1635 -r c6a3243567b6 mercurial/util.py
--- a/mercurial/util.py	Mon Jun 06 13:58:32 2022 +0400
+++ b/mercurial/util.py	Thu Jun 02 23:57:56 2022 +0200
@@ -156,11 +156,6 @@
 SERVERROLE = compression.SERVERROLE
 CLIENTROLE = compression.CLIENTROLE
 
-try:
-    recvfds = osutil.recvfds
-except AttributeError:
-    pass
-
 # Python compatibility
 
 _notset = object()