diff -r cb82606b8215 -r 3fbcfa911863 src/HOL/Quotient_Examples/Lift_DList.thy
--- a/src/HOL/Quotient_Examples/Lift_DList.thy	Tue Aug 13 15:59:22 2013 +0200
+++ b/src/HOL/Quotient_Examples/Lift_DList.thy	Tue Aug 13 15:59:22 2013 +0200
@@ -3,7 +3,7 @@
 *)
 
 theory Lift_DList
-imports Main "~~/src/HOL/Library/Quotient_List"
+imports Main
 begin
 
 subsection {* The type of distinct lists *}