diff --git a/refs/files-backend.c b/refs/files-backend.c
index 13bfdb7..e4009b3 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2202,8 +2202,8 @@ static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator)
 	return ok;
 }
 
-static int files_reflog_iterator_peel(struct ref_iterator *UNUSED(ref_iterator),
-				      struct object_id *UNUSED(peeled))
+static int files_reflog_iterator_peel(struct ref_iterator *ref_iterator UNUSED,
+				      struct object_id *peeled UNUSED)
 {
 	BUG("ref_iterator_peel() called for reflog_iterator");
 }
@@ -2257,7 +2257,7 @@ static struct ref_iterator *reflog_iterator_begin(struct ref_store *ref_store,
 static enum iterator_selection reflog_iterator_select(
 	struct ref_iterator *iter_worktree,
 	struct ref_iterator *iter_common,
-	void *UNUSED(cb_data))
+	void *cb_data UNUSED)
 {
 	if (iter_worktree) {
 		/*
@@ -2985,7 +2985,7 @@ static int files_transaction_finish(struct ref_store *ref_store,
 
 static int files_transaction_abort(struct ref_store *ref_store,
 				   struct ref_transaction *transaction,
-				   struct strbuf *UNUSED(err))
+				   struct strbuf *err UNUSED)
 {
 	struct files_ref_store *refs =
 		files_downcast(ref_store, 0, "ref_transaction_abort");
@@ -2995,8 +2995,8 @@ static int files_transaction_abort(struct ref_store *ref_store,
 }
 
 static int ref_present(const char *refname,
-		       const struct object_id *UNUSED(oid),
-		       int UNUSED(flags),
+		       const struct object_id *oid UNUSED,
+		       int flags UNUSED,
 		       void *cb_data)
 {
 	struct string_list *affected_refnames = cb_data;
@@ -3261,7 +3261,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
 	return -1;
 }
 
-static int files_init_db(struct ref_store *ref_store, struct strbuf *UNUSED(err))
+static int files_init_db(struct ref_store *ref_store, struct strbuf *err UNUSED)
 {
 	struct files_ref_store *refs =
 		files_downcast(ref_store, REF_STORE_WRITE, "init_db");