diff -r 085f0e32b9d6 -r aef229ca5e77 src/HOL/Lex/MaxChop.thy
--- a/src/HOL/Lex/MaxChop.thy	Mon Apr 17 14:27:10 2000 +0200
+++ b/src/HOL/Lex/MaxChop.thy	Tue Apr 18 00:36:02 2000 +0200
@@ -4,7 +4,7 @@
     Copyright   1998 TUM
 *)
 
-MaxChop = MaxPrefix + Recdef +
+MaxChop = MaxPrefix +
 
 types   'a chopper = "'a list => 'a list list * 'a list"