diff -r 843dba3d307a -r c007e6d9941d src/CCL/Set.thy
--- a/src/CCL/Set.thy	Mon Sep 30 23:32:26 2024 +0200
+++ b/src/CCL/Set.thy	Tue Oct 01 20:39:16 2024 +0200
@@ -19,8 +19,6 @@
 
 syntax
   "_Coll" :: "[idt, o] \<Rightarrow> 'a set"  (\<open>(\<open>indent=1 notation=\<open>mixfix Collect\<close>\<close>{_./ _})\<close>)
-syntax_consts
-  Collect
 translations
   "{x. P}" == "CONST Collect(\<lambda>x. P)"