diff -r 4ec8e654112f -r 2865a6618cba src/HOL/Library/Lexord.thy
--- a/src/HOL/Library/Lexord.thy	Thu Jun 26 17:25:29 2025 +0200
+++ b/src/HOL/Library/Lexord.thy	Thu Jun 26 17:25:29 2025 +0200
@@ -173,8 +173,6 @@
 instance list :: (order) order
   by (rule order.intro_of_class, rule ordering_orderI, fact lex.ordering)
 
-export_code \<open>(\<le>) :: _ list \<Rightarrow> _ list \<Rightarrow> bool\<close> \<open>(<) :: _ list \<Rightarrow> _ list \<Rightarrow> bool\<close> in Haskell
-
 
 subsection \<open>Non-canonical instance\<close>
 
@@ -194,10 +192,4 @@
 global_interpretation lex_dvd: preordering lex_dvd lex_dvd_strict
   by (fact dvd.preordering)
 
-definition \<open>example = lex_dvd [(4::int), - 7, 8] [- 8, 13, 5]\<close>
-
-export_code example in Haskell
-
-value example
-
 end