diff -r 843dba3d307a -r c007e6d9941d src/HOL/List.thy
--- a/src/HOL/List.thy	Mon Sep 30 23:32:26 2024 +0200
+++ b/src/HOL/List.thy	Tue Oct 01 20:39:16 2024 +0200
@@ -47,8 +47,6 @@
 
 syntax
   "_list" :: "args => 'a list"  (\<open>(\<open>indent=1 notation=\<open>mixfix list enumeration\<close>\<close>[_])\<close>)
-syntax_consts
-  Cons
 translations
   "[x, xs]" == "x#[xs]"
   "[x]" == "x#[]"
@@ -137,9 +135,6 @@
   "_lupdbinds" :: "[lupdbind, lupdbinds] => lupdbinds"    (\<open>_,/ _\<close>)
   "_LUpdate" :: "['a, lupdbinds] => 'a"    (\<open>_/[(_)]\<close> [1000,0] 900)
 
-syntax_consts
-  list_update
-
 translations
   "_LUpdate xs (_lupdbinds b bs)" == "_LUpdate (_LUpdate xs b) bs"
   "xs[i:=x]" == "CONST list_update xs i x"