diff --git a/basis/regexp/regexp.factor b/basis/regexp/regexp.factor
index 4014c4507c..6e13ba8db2 100644
--- a/basis/regexp/regexp.factor
+++ b/basis/regexp/regexp.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors combinators kernel math math.ranges sequences
+USING: accessors combinators kernel math sequences
 sets assocs prettyprint.backend make lexer namespaces parser
 arrays fry regexp.backend regexp.utils regexp.parser regexp.nfa
 regexp.dfa regexp.traversal regexp.transition-tables ;
diff --git a/basis/regexp/traversal/traversal.factor b/basis/regexp/traversal/traversal.factor
index 6bc44c7a99..86d315ee2f 100644
--- a/basis/regexp/traversal/traversal.factor
+++ b/basis/regexp/traversal/traversal.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors assocs combinators kernel math math.ranges
+USING: accessors assocs combinators kernel math
 quotations sequences regexp.parser regexp.classes fry arrays
 combinators.short-circuit regexp.utils prettyprint regexp.nfa
 shuffle ;