Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 20556)
+++ wp-includes/admin-bar.php	(working copy)
@@ -426,7 +426,8 @@
 			&& 'add' != $current_screen->action
 			&& ( $post_type_object = get_post_type_object( $post->post_type ) )
 			&& current_user_can( $post_type_object->cap->read_post, $post->ID )
-			&& ( $post_type_object->public ) )
+			&& ( $post_type_object->public )
+			&& ( $post_type_object->show_in_admin_bar ) )
 		{
 			$wp_admin_bar->add_menu( array(
 				'id' => 'view',