diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 7363b62ea3..f25433de9b 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -1122,21 +1122,6 @@ function upgrade_300() {
 	if ( $wp_current_db_version < 14139 && is_multisite() && is_main_site() && ! defined( 'MULTISITE' ) && get_site_option( 'siteurl' ) === false )
 		add_site_option( 'siteurl', '' );
 
-	// 3.0-alpha nav menu postmeta changes. can be removed before release. // r13802
-	if ( $wp_current_db_version >= 13226 && $wp_current_db_version < 13974 )
-		$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key IN( 'menu_type', 'object_id', 'menu_new_window', 'menu_link', '_menu_item_append', 'menu_item_append', 'menu_item_type', 'menu_item_object_id', 'menu_item_target', 'menu_item_classes', 'menu_item_xfn', 'menu_item_url' )" );
-
-	// 3.0-beta1 remove_user primitive->meta cap. can be removed before release. r13956
-	if ( $wp_current_db_version >= 12751 && $wp_current_db_version < 13974 ) {
-		$role =& get_role( 'administrator' );
-		if ( ! empty( $role ) )
-			$role->remove_cap( 'remove_user' );
-	}
-
-	// 3.0-beta1 nav menu postmeta changes. can be removed before release. r13974
-	if ( $wp_current_db_version >= 13802 && $wp_current_db_version < 13974 )
-		$wpdb->update( $wpdb->postmeta, array( 'meta_value' => '' ), array( 'meta_key' => '_menu_item_target', 'meta_value' => '_self' ) );
-
 	// 3.0 screen options key name changes.
 	if ( is_main_site() && !defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) {
 		$prefix = like_escape($wpdb->base_prefix);