diff --git a/src/internal/argv/argv.h b/src/internal/argv/argv.h
index 1214892..0418803 100644
--- a/src/internal/argv/argv.h
+++ b/src/internal/argv/argv.h
@@ -119,12 +119,6 @@ struct argv_meta {
 	struct argv_entry *	entries;
 };
 
-struct argv_meta_impl {
-	char **			argv;
-	char *			strbuf;
-	struct argv_meta	meta;
-};
-
 struct argv_ctx {
 	int				flags;
 	int				mode;
@@ -139,6 +133,12 @@ struct argv_ctx {
 
 #ifdef ARGV_DRIVER
 
+struct argv_meta_impl {
+	char **			argv;
+	char *			strbuf;
+	struct argv_meta	meta;
+};
+
 static int argv_optv_init(
 	const struct argv_option[],
 	const struct argv_option **);