diff --git a/extra/io/streams/ansi/ansi.factor b/extra/io/streams/ansi/ansi.factor
index 65c47c3069..942eaa9279 100644
--- a/extra/io/streams/ansi/ansi.factor
+++ b/extra/io/streams/ansi/ansi.factor
@@ -54,15 +54,10 @@ CONSTANT: colors H{
         { bold-italic "\e[1m\e[3m" }
     } at "" or ;
 
-TUPLE: ansi stream ;
+TUPLE: ansi < filter-writer ;
 
 C: <ansi> ansi
 
-M: ansi stream-write1 stream>> stream-write1 ;
-M: ansi stream-write stream>> stream-write ;
-M: ansi stream-flush stream>> stream-flush ;
-M: ansi stream-nl stream>> stream-nl ;
-
 M: ansi stream-format
     [
         [ foreground of [ color>foreground ] [ "" ] if* ]