diff --git a/extra/parser-combinators/regexp/regexp.factor b/extra/parser-combinators/regexp/regexp.factor
index 40d4603fb6..b13321d991 100755
--- a/extra/parser-combinators/regexp/regexp.factor
+++ b/extra/parser-combinators/regexp/regexp.factor
@@ -1,6 +1,6 @@
 USING: arrays combinators kernel lists math math.parser
 namespaces parser lexer parser-combinators parser-combinators.simple
-promises quotations sequences combinators.lib strings math.order
+promises quotations sequences strings math.order
 assocs prettyprint.backend memoize unicode.case unicode.categories
 combinators.short-circuit accessors make io ;
 IN: parser-combinators.regexp