diff -r e6e1ec6d5c1c -r a7ca72710dfe src/HOL/Bali/WellType.thy
--- a/src/HOL/Bali/WellType.thy	Mon Feb 27 17:39:34 2012 +0100
+++ b/src/HOL/Bali/WellType.thy	Mon Feb 27 17:40:59 2012 +0100
@@ -546,7 +546,7 @@
     then show ?thesis by blast
   next 
     case False then show ?thesis 
-      by (auto simp add: invmode_def split: split_if_asm)
+      by (auto simp add: invmode_def)
   qed
 qed