src/HOL/List.thy

--- a/src/HOL/List.thy	Thu Nov 21 21:33:34 2013 +0100
+++ b/src/HOL/List.thy	Thu Nov 21 21:33:34 2013 +0100
@@ -5,7 +5,7 @@
 header {* The datatype of finite lists *}
 
 theory List
-imports Presburger Code_Numeral Quotient ATP Lifting_Set Lifting_Option Lifting_Product
+imports Presburger Code_Numeral Quotient Lifting_Set Lifting_Option Lifting_Product
 begin
 
 datatype 'a list =