diff -r d6c53b40b078 -r 04688c51f81f mercurial/configitems.py
--- a/mercurial/configitems.py	Thu Dec 30 13:25:44 2021 +0100
+++ b/mercurial/configitems.py	Tue Dec 07 16:44:22 2021 +0100
@@ -1102,16 +1102,6 @@
 )
 coreconfigitem(
     b'experimental',
-    b'httppeer.advertise-v2',
-    default=False,
-)
-coreconfigitem(
-    b'experimental',
-    b'httppeer.v2-encoder-order',
-    default=None,
-)
-coreconfigitem(
-    b'experimental',
     b'httppostargs',
     default=False,
 )
@@ -1211,11 +1201,6 @@
 )
 coreconfigitem(
     b'experimental',
-    b'sshserver.support-v2',
-    default=False,
-)
-coreconfigitem(
-    b'experimental',
     b'sparse-read',
     default=False,
 )
@@ -1241,26 +1226,6 @@
 )
 coreconfigitem(
     b'experimental',
-    b'sshpeer.advertise-v2',
-    default=False,
-)
-coreconfigitem(
-    b'experimental',
-    b'web.apiserver',
-    default=False,
-)
-coreconfigitem(
-    b'experimental',
-    b'web.api.http-v2',
-    default=False,
-)
-coreconfigitem(
-    b'experimental',
-    b'web.api.debugreflect',
-    default=False,
-)
-coreconfigitem(
-    b'experimental',
     b'web.full-garbage-collection-rate',
     default=1,  # still forcing a full collection on each request
 )