diff -r 6da283e4497b -r 94041d602ecb src/HOL/Lazy_Sequence.thy
--- a/src/HOL/Lazy_Sequence.thy	Mon Nov 12 18:42:49 2012 +0100
+++ b/src/HOL/Lazy_Sequence.thy	Mon Nov 12 23:24:40 2012 +0100
@@ -4,7 +4,7 @@
 header {* Lazy sequences *}
 
 theory Lazy_Sequence
-imports List Code_Numeral
+imports Predicate
 begin
 
 datatype 'a lazy_sequence = Empty | Insert 'a "'a lazy_sequence"