Index: src/wp-includes/class-wp-customize-nav-menus.php
===================================================================
--- src/wp-includes/class-wp-customize-nav-menus.php	(revision 43518)
+++ src/wp-includes/class-wp-customize-nav-menus.php	(working copy)
@@ -598,7 +598,6 @@
 					'title'       => __( 'Menus' ),
 					'description' => $description,
 					'priority'    => 100,
-				// 'theme_supports' => 'menus|widgets', @todo allow multiple theme supports
 				)
 			)
 		);