Ticket #59818: kitchin59818.diff

src/wp-admin/options.php

@@ -179 +179 @@
         $allowed_options['general'][] = 'default_role';
 
         $allowed_options['writing']   = array_merge( $allowed_options['writing'], $mail_options );
-        $allowed_options['writing'][] = 'ping_sites';
 
+        if ( '1' === get_option( 'blog_public' ) ) {
+                $allowed_options['writing'][] = 'ping_sites';
+        }
+
         $allowed_options['media'][] = 'uploads_use_yearmonth_folders';
 
         /*