diff --git a/src/js/_enqueues/lib/nav-menu.js b/src/js/_enqueues/lib/nav-menu.js
index 9f404f31a0..3371606933 100644
--- a/src/js/_enqueues/lib/nav-menu.js
+++ b/src/js/_enqueues/lib/nav-menu.js
@@ -9,7 +9,7 @@
  * @output wp-admin/js/nav-menu.js
  */
 
-/* global menus, postboxes, columns, isRtl, navMenuL10n, ajaxurl, wpNavMenu */
+/* global menus, postboxes, columns, isRtl, ajaxurl, wpNavMenu */
 
 (function($) {
 
@@ -588,7 +588,7 @@
 				if ( title ) {
 					titleEl.text( title ).removeClass( 'no-title' );
 				} else {
-					titleEl.text( navMenuL10n.untitled ).addClass( 'no-title' );
+					titleEl.text( wp.i18n._x( '(no label)', 'missing menu item navigation label' ) ).addClass( 'no-title' );
 				}
 			} );
 		},
@@ -1050,7 +1050,7 @@
 			if ( 0 !== $('#menu-to-edit').length || 0 !== $('.menu-location-menus select').length ) {
 				window.onbeforeunload = function(){
 					if ( api.menusChanged )
-						return navMenuL10n.saveAlert;
+						return wp.i18n.__( 'The changes you made will be lost if you navigate away from this page.' );
 				};
 			} else {
 				// Make the post boxes read-only, as they can't be used yet.
@@ -1220,7 +1220,7 @@
 
 		eventOnClickMenuDelete : function() {
 			// Delete warning AYS.
-			if ( window.confirm( navMenuL10n.warnDeleteMenu ) ) {
+			if ( window.confirm( wp.i18n.__( 'You are about to permanently delete this menu.\n\'Cancel\' to stop, \'OK\' to delete.' ) ) ) {
 				window.onbeforeunload = null;
 				return true;
 			}
@@ -1253,7 +1253,7 @@
 			$item;
 
 			if( ! $items.length ) {
-				$('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
+				$('.categorychecklist', panel).html( '<li><p>' + wp.i18n.__( 'No results found.' ) + '</p></li>' );
 				$( '.spinner', panel ).removeClass( 'is-active' );
 				wrapper.addClass( 'has-no-menu-item' );
 				return;
diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php
index a98c2ed29c..cc24a17aa2 100644
--- a/src/wp-includes/script-loader.php
+++ b/src/wp-includes/script-loader.php
@@ -1312,16 +1312,7 @@ function wp_default_scripts( $scripts ) {
 		 * see https://core.trac.wordpress.org/ticket/42321
 		 */
 		$scripts->add( 'nav-menu', "/wp-admin/js/nav-menu$suffix.js", array( 'jquery-ui-sortable', 'jquery-ui-draggable', 'jquery-ui-droppable', 'wp-lists', 'postbox', 'json2', 'underscore' ) );
-		did_action( 'init' ) && $scripts->localize(
-			'nav-menu',
-			'navMenuL10n',
-			array(
-				'noResultsFound' => __( 'No results found.' ),
-				'warnDeleteMenu' => __( "You are about to permanently delete this menu. \n 'Cancel' to stop, 'OK' to delete." ),
-				'saveAlert'      => __( 'The changes you made will be lost if you navigate away from this page.' ),
-				'untitled'       => _x( '(no label)', 'missing menu item navigation label' ),
-			)
-		);
+		$scripts->set_translations( 'nav-menu' );
 
 		$scripts->add( 'custom-header', '/wp-admin/js/custom-header.js', array( 'jquery-masonry' ), false, 1 );
 		$scripts->add( 'custom-background', "/wp-admin/js/custom-background$suffix.js", array( 'wp-color-picker', 'media-views' ), false, 1 );