diff --git a/extra/images/backend/backend.factor b/extra/images/backend/backend.factor
index 6d73a253ae..756b98efee 100644
--- a/extra/images/backend/backend.factor
+++ b/extra/images/backend/backend.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2009 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors kernel grouping fry sequences combinators
-images.bitmap math ;
+math ;
 IN: images.backend
 
 SINGLETONS: BGR RGB BGRA RGBA ABGR ARGB RGBX XRGB BGRX XBGR ;