diff --git a/extra/unicode/data/data.factor b/extra/unicode/data/data.factor
index c579d1fdfd..8c9a233975 100644
--- a/extra/unicode/data/data.factor
+++ b/extra/unicode/data/data.factor
@@ -1,6 +1,6 @@
 USING: assocs math kernel sequences io.files hashtables
 quotations splitting arrays math.parser combinators.lib hash2
-byte-arrays words namespaces words compiler.units const ;
+byte-arrays words namespaces words compiler.units ;
 IN: unicode.data
 
 ! Convenience functions