No need to specify an update_count_callback for categories or tags, as the default handler for them will now be _update_post_term_count(). see #18986, [19035].

nacin · nacin · commit 8e97202178c8 · 2011-10-21T21:46:03.000Z
git-svn-id: https://develop.svn.wordpress.org/trunk@19036 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
@@ -19,7 +19,6 @@ function create_initial_taxonomies() {
 
 	register_taxonomy( 'category', 'post', array(
 		'hierarchical' => true,
-	 	'update_count_callback' => '_update_post_term_count',
 		'query_var' => 'category_name',
 		'rewrite' => did_action( 'init' ) ? array(
 					'hierarchical' => true,
@@ -32,7 +31,6 @@ function create_initial_taxonomies() {
 
 	register_taxonomy( 'post_tag', 'post', array(
 	 	'hierarchical' => false,
-		'update_count_callback' => '_update_post_term_count',
 		'query_var' => 'tag',
 		'rewrite' => did_action( 'init' ) ? array(
 					'slug' => get_option('tag_base') ? get_option('tag_base') : 'tag',
