1 files changed, 1 insertions, 2 deletions
diff --git a/help.c b/help.c
index 3c36d9c218..fefd811f7a 100644
--- a/help.c
+++ b/help.c
@@ -420,8 +420,7 @@ void list_cmds_by_config(struct string_list *list)
 	if (repo_config_get_string_tmp(the_repository, "completion.commands", &cmd_list))
 		return;
 
-	string_list_sort(list);
-	string_list_remove_duplicates(list, 0);
+	string_list_sort_u(list, 0);
 
 	while (*cmd_list) {
 		struct strbuf sb = STRBUF_INIT;