diff --git a/extra/processing/gallery/trails/trails.factor b/extra/processing/gallery/trails/trails.factor
index f0a8889fbf..dc191bc439 100644
--- a/extra/processing/gallery/trails/trails.factor
+++ b/extra/processing/gallery/trails/trails.factor
@@ -1,5 +1,6 @@
 
-USING: kernel arrays sequences math qualified circular processing ui ;
+USING: kernel arrays sequences math qualified
+       sequences.lib circular processing ui newfx ;
 
 IN: processing.gallery.trails
 
@@ -9,22 +10,6 @@ IN: processing.gallery.trails
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-QUALIFIED: circular
-
-: push-circular ( seq elt -- seq ) over circular:push-circular ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: each-percent ( seq quot -- )
-  >r
-  dup length
-  dup [ / ] curry
-  [ 1+ ] swap compose
-  r> compose
-  2each ;                       inline
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
 : point-list ( n -- seq ) [ drop 0 0 2array ] map <circular> ;
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!