--- a/Nominal/Ex/ExLetRec.thy	Mon May 10 15:45:04 2010 +0200
+++ b/Nominal/Ex/ExLetRec.thy	Mon May 10 15:54:16 2010 +0200
@@ -7,7 +7,6 @@
 
 atom_decl name
 
-ML {* val _ = cheat_alpha_eqvt := true *}
 ML {* val _ = cheat_equivp := true *}
 
 nominal_datatype trm =
@@ -83,12 +82,6 @@
   apply (simp add: atom_eqvt fresh_star_def)
   done
 
-(*
-declare permute_trm_raw_permute_lts_raw.simps[eqvt]
-declare alpha_gen_eqvt[eqvt]
-equivariance alpha_trm_raw
-*)
-
 end