diff --git a/urlmatch.c b/urlmatch.c
index 618d21649..132d342bc 100644
--- a/urlmatch.c
+++ b/urlmatch.c
@@ -412,9 +412,9 @@ static size_t url_match_prefix(const char *url,
 	return 0;
 }
 
-int match_urls(const struct url_info *url,
-	       const struct url_info *url_prefix,
-	       int *exactusermatch)
+static int match_urls(const struct url_info *url,
+		      const struct url_info *url_prefix,
+		      int *exactusermatch)
 {
 	/*
 	 * url_prefix matches url if the scheme, host and port of url_prefix
diff --git a/urlmatch.h b/urlmatch.h
index b461dfd3d..528862adc 100644
--- a/urlmatch.h
+++ b/urlmatch.h
@@ -31,7 +31,6 @@ struct url_info {
 };
 
 extern char *url_normalize(const char *, struct url_info *);
-extern int match_urls(const struct url_info *url, const struct url_info *url_prefix, int *exactusermatch);
 
 struct urlmatch_item {
 	size_t matched_len;