diff --git a/include/types/acl.h b/include/types/acl.h
index 0b6524b..722bfe6 100644
--- a/include/types/acl.h
+++ b/include/types/acl.h
@@ -92,7 +92,7 @@
 struct acl_keyword {
 	const char *kw;
 	char *fetch_kw;
-	int (*parse)(const char *text, struct pattern *pattern, enum pat_usage usage, char **err);
+	int (*parse)(const char *text, struct pattern *pattern, char **err);
 	int (*index)(struct pattern_expr *expr, struct pattern *pattern, char **err);
 	enum pat_match_res (*match)(struct sample *smp, struct pattern *pattern);
 	/* must be after the config params */