Index: wp-includes/class-wp-admin-bar.php
===================================================================
--- wp-includes/class-wp-admin-bar.php	(revision 19394)
+++ wp-includes/class-wp-admin-bar.php	(working copy)
@@ -259,8 +259,10 @@
 		add_action( 'admin_bar_menu', 'wp_admin_bar_updates_menu', 40 );
 
 		// Content related.
-		add_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 );
-		add_action( 'admin_bar_menu', 'wp_admin_bar_new_content_menu', 70 );
+		if ( ! is_network_admin() && ! is_user_admin() ) {
+			add_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 );
+			add_action( 'admin_bar_menu', 'wp_admin_bar_new_content_menu', 70 );
+		}
 		add_action( 'admin_bar_menu', 'wp_admin_bar_edit_menu', 80 );
 		add_action( 'admin_bar_menu', 'wp_admin_bar_shortlink_menu', 90 );