diff -r 98c00ee9e786 -r bc1e123295f5 src/HOL/MicroJava/J/State.thy
--- a/src/HOL/MicroJava/J/State.thy	Tue Aug 11 10:43:43 2009 +0200
+++ b/src/HOL/MicroJava/J/State.thy	Tue Aug 11 10:46:11 2009 +0200
@@ -21,10 +21,6 @@
   init_vars :: "('a \<times> ty) list => ('a \<rightharpoonup> val)"
  "init_vars == map_of o map (\<lambda>(n,T). (n,default_val T))"
 
-lemma [code] (*manual eta expansion*):
-  "init_vars xs = map_of (map (\<lambda>(n, T). (n, default_val T)) xs)"
-  by (simp add: init_vars_def)
-
 types aheap  = "loc \<rightharpoonup> obj"    -- {* "@{text heap}" used in a translation below *}
       locals = "vname \<rightharpoonup> val"  -- "simple state, i.e. variable contents"