diff --git a/src/wp-includes/post.php b/src/wp-includes/post.php
index 93eaed4294..7ceff7b693 100644
--- a/src/wp-includes/post.php
+++ b/src/wp-includes/post.php
@@ -503,7 +503,7 @@ function create_initial_post_types() {
 			'public'                => false,
 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
 			'has_archive'           => false,
-			'show_ui'               => wp_is_block_theme(),
+			'show_ui'               => true,
 			'show_in_menu'          => false,
 			'show_in_admin_bar'     => false,
 			'show_in_rest'          => true,
@@ -520,6 +520,7 @@ function create_initial_post_types() {
 				'delete_others_posts'    => 'edit_theme_options',
 				'edit_private_posts'     => 'edit_theme_options',
 				'edit_published_posts'   => 'edit_theme_options',
+				'edit_posts'             => 'edit_theme_options',
 			),
 			'rest_base'             => 'navigation',
 			'rest_controller_class' => 'WP_REST_Posts_Controller',