diff --git a/extra/new-graphs/new-graphs.factor b/extra/new-graphs/new-graphs.factor
deleted file mode 100644
index b82ed8a22d..0000000000
--- a/extra/new-graphs/new-graphs.factor
+++ /dev/null
@@ -1,21 +0,0 @@
-! Copyright (C) 2008 Alex Chapman
-! See http://factorcode.org/license.txt for BSD license.
-USING: accessors assocs kernel new-slots sequences vectors ;
-IN: new-graphs
-
-TUPLE: graph edges ;
-TUPLE: digraph ;
-TUPLE: undigraph ;
-
-: <graph> ( -- graph )
-    H{ } clone graph construct-boa H{ } clone over set-delegate ;
-
-: <digraph> ( -- graph )
-    <graph> digraph construct-empty tuck set-delegate ;
-
-: <undigraph> ( -- graph )
-    <graph> undigraph construct-empty tuck set-delegate ;
-
-GENERIC: add-vertex ( key value graph -- )
-M: graph add-vertex ( key value digraph -- ) set-at ; 
-