diff --git a/extra/ui/offscreen/offscreen.factor b/extra/ui/offscreen/offscreen.factor
index 3897df71fa..89c1c7f860 100755
--- a/extra/ui/offscreen/offscreen.factor
+++ b/extra/ui/offscreen/offscreen.factor
@@ -1,3 +1,4 @@
+! (c) 2008 Joe Groff, see license for details
 USING: accessors continuations graphics.bitmap kernel math
 sequences ui.gadgets ui.gadgets.worlds ui ui.backend
 destructors ;
@@ -24,8 +25,6 @@ M: offscreen-world ungraft*
 : close-offscreen ( world -- )
     ungraft notify-queued ;
 
-M: offscreen-world dispose close-offscreen ;
-
 : offscreen-world>bitmap ( world -- bitmap )
     offscreen-pixels bgra>bitmap ;