Index: wp-admin/includes/schema.php
===================================================================
--- wp-admin/includes/schema.php	(revision 19692)
+++ wp-admin/includes/schema.php	(working copy)
@@ -246,13 +246,6 @@
   KEY domain (domain(50),path(5)),
   KEY lang_id (lang_id)
 ) $charset_collate;
-CREATE TABLE $wpdb->blog_versions (
-  blog_id bigint(20) NOT NULL default '0',
-  db_version varchar(20) NOT NULL default '',
-  last_updated datetime NOT NULL default '0000-00-00 00:00:00',
-  PRIMARY KEY  (blog_id),
-  KEY db_version (db_version)
-) $charset_collate;
 CREATE TABLE $wpdb->registration_log (
   ID bigint(20) NOT NULL auto_increment,
   email varchar(255) NOT NULL default '',
Index: wp-admin/includes/upgrade.php
===================================================================
--- wp-admin/includes/upgrade.php	(revision 19692)
+++ wp-admin/includes/upgrade.php	(working copy)
@@ -373,13 +373,6 @@
 	if ( is_multisite() && is_main_site() )
 		upgrade_network();
 	wp_cache_flush();
-
-	if ( is_multisite() ) {
-		if ( $wpdb->get_row( "SELECT blog_id FROM {$wpdb->blog_versions} WHERE blog_id = '{$wpdb->blogid}'" ) )
-			$wpdb->query( "UPDATE {$wpdb->blog_versions} SET db_version = '{$wp_db_version}' WHERE blog_id = '{$wpdb->blogid}'" );
-		else
-			$wpdb->query( "INSERT INTO {$wpdb->blog_versions} ( `blog_id` , `db_version` , `last_updated` ) VALUES ( '{$wpdb->blogid}', '{$wp_db_version}', NOW());" );
-	}
 }
 endif;
 
@@ -459,6 +452,9 @@
 	if ( $wp_current_db_version < 19389 )
 		upgrade_330();
 
+	if ( $wp_current_db_version < 19471 )
+		upgrade_340();
+
 	maybe_disable_automattic_widgets();
 
 	update_option( 'db_version', $wp_db_version );
@@ -1214,6 +1210,16 @@
 }
 
 /**
+ * Execute changes made in WordPress 3.4.
+ *
+ * @since 3.4.0
+ */
+function upgrade_340() {
+	global $wpdb;
+	$wpdb->query('DROP TABLE IF EXISTS ' . $wpdb->prefix . 'blog_versions');
+}
+
+/**
  * Execute network level changes
  *
  * @since 3.0.0
Index: wp-includes/version.php
===================================================================
--- wp-includes/version.php	(revision 19692)
+++ wp-includes/version.php	(working copy)
@@ -11,7 +11,7 @@
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 19470;
+$wp_db_version = 19471;
 
 /**
  * Holds the TinyMCE version
Index: wp-includes/wp-db.php
===================================================================
--- wp-includes/wp-db.php	(revision 19692)
+++ wp-includes/wp-db.php	(working copy)
@@ -230,7 +230,7 @@
 	 * @var array
 	 */
 	var $ms_global_tables = array( 'blogs', 'signups', 'site', 'sitemeta',
-		'sitecategories', 'registration_log', 'blog_versions' );
+		'sitecategories', 'registration_log' );
 
 	/**
 	 * WordPress Comments table
@@ -345,15 +345,6 @@
 	var $blogs;
 
 	/**
-	 * Multisite Blog Versions table
-	 *
-	 * @since 3.0.0
-	 * @access public
-	 * @var string
-	 */
-	var $blog_versions;
-
-	/**
 	 * Multisite Registration Log table
 	 *
 	 * @since 3.0.0