diff -r 2ed2eaabe3df -r 6d076fdd933d src/ZF/upair.thy
--- a/src/ZF/upair.thy	Wed Oct 29 19:01:49 2014 +0100
+++ b/src/ZF/upair.thy	Wed Oct 29 19:13:19 2014 +0100
@@ -17,7 +17,6 @@
 begin
 
 ML_file "Tools/typechk.ML"
-setup TypeCheck.setup
 
 lemma atomize_ball [symmetric, rulify]:
      "(!!x. x \<in> A ==> P(x)) == Trueprop (\<forall>x\<in>A. P(x))"