diff --git a/basis/validators/validators-docs.factor b/basis/validators/validators-docs.factor
index 8f5a587569..45444889de 100644
--- a/basis/validators/validators-docs.factor
+++ b/basis/validators/validators-docs.factor
@@ -1,5 +1,5 @@
 USING: help.markup help.syntax io.streams.string quotations 
-strings math regexp regexp.backend ;
+strings math regexp ;
 IN: validators
 
 HELP: v-checkbox
diff --git a/basis/validators/validators.factor b/basis/validators/validators.factor
index f0ee13dd38..740cf7db13 100644
--- a/basis/validators/validators.factor
+++ b/basis/validators/validators.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2006, 2008 Slava Pestov
 ! See http://factorcode.org/license.txt for BSD license.
 USING: kernel continuations sequences math namespaces make sets
-math.parser math.ranges assocs regexp unicode.categories arrays
+math.parser math.ranges assocs regexp regexp.matchers unicode.categories arrays
 hashtables words classes quotations xmode.catalog unicode.case ;
 IN: validators