1 files changed, 2 insertions, 8 deletions
diff --git a/src/var/flat.js b/src/var/flat.js
index 6c7a27169..172420552 100644
--- a/src/var/flat.js
+++ b/src/var/flat.js
@@ -1,15 +1,9 @@
-define( [
-	"./arr"
-], function( arr ) {
-
-"use strict";
+import arr from "./arr.js";
 
 // Support: IE 11+, Edge 18+
 // Provide fallback for browsers without Array#flat.
-return arr.flat ? function( array ) {
+export default arr.flat ? function( array ) {
 	return arr.flat.call( array );
 } : function( array ) {
 	return arr.concat.apply( [], array );
 };
-
-} );