--- a/Nominal/Ex/SingleLet.thy	Tue May 11 17:16:57 2010 +0200
+++ b/Nominal/Ex/SingleLet.thy	Tue May 11 18:20:25 2010 +0200
@@ -27,8 +27,6 @@
 ML {* Sign.of_sort @{theory} (@{typ trm}, @{sort fs}) *}
 thm trm_assg.fv[simplified trm_assg.supp(1-2)]
 
-declare permute_trm_raw_permute_assg_raw.simps[eqvt]
-
 equivariance alpha_trm_raw