diff --git a/wp-admin/includes/schema.php b/wp-admin/includes/schema.php
index a129f63bbc..363e3763a7 100644
--- a/wp-admin/includes/schema.php
+++ b/wp-admin/includes/schema.php
@@ -612,6 +612,7 @@ function populate_roles_300() {
 		$role->add_cap( 'add_users' );
 		$role->add_cap( 'promote_users' );
 		$role->add_cap( 'edit_theme_options' );
+		$role->add_cap( 'delete_themes' );
 	}
 }
 
diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 4c2c7b36ed..b6a16d8bf3 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -440,7 +440,7 @@ function upgrade_all() {
 	if ( $wp_current_db_version < 11958 )
 		upgrade_290();
 
-	if ( $wp_current_db_version < 14726 )
+	if ( $wp_current_db_version < 14984 )
 		upgrade_300();
 
 	maybe_disable_automattic_widgets();
@@ -1108,11 +1108,11 @@ function upgrade_290() {
 function upgrade_300() {
 	global $wp_current_db_version, $wpdb;
 
-	if ( $wp_current_db_version < 14139 ) {
+	if ( $wp_current_db_version < 14984 )
 		populate_roles_300();
-		if ( is_multisite() && is_main_site() && ! defined( 'MULTISITE' ) && get_site_option( 'siteurl' ) === false )
-			add_site_option( 'siteurl', '' );
-	}
+
+	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 && $wp_current_db_version < 13974 )
diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 028550ec57..b2d91496b4 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -20,7 +20,7 @@ if ( current_user_can('switch_themes') && isset($_GET['action']) ) {
 		exit;
 	} else if ( 'delete' == $_GET['action'] ) {
 		check_admin_referer('delete-theme_' . $_GET['template']);
-		if ( !current_user_can('update_themes') )
+		if ( !current_user_can('delete_themes') )
 			wp_die( __( 'Cheatin&#8217; uh?' ) );
 		delete_theme($_GET['template']);
 		wp_redirect('themes.php?deleted=true');
@@ -193,8 +193,8 @@ foreach ( $cols as $col => $theme_name ) {
 	$actions = array();
 	$actions[] = '<a href="' . $activate_link .  '" class="activatelink" title="' . $activate_text . '">' . __('Activate') . '</a>';
 	$actions[] = '<a href="' . $preview_link . '" class="thickbox thickbox-preview" title="' . esc_attr(sprintf(__('Preview &#8220;%s&#8221;'), $theme_name)) . '">' . __('Preview') . '</a>';
-	if ( current_user_can('update_themes') )
-		$actions[] = '<a class="submitdelete deletion" href="' . wp_nonce_url("themes.php?action=delete&amp;template=$stylesheet", 'delete-theme_' . $stylesheet) . '" onclick="' . "if ( confirm('" . esc_js(sprintf( __("You are about to delete this theme '%s'\n  'Cancel' to stop, 'OK' to delete."), $theme_name )) . "') ) {return true;}return false;" . '">' . __('Delete') . '</a>';
+	if ( current_user_can('delete_themes') )
+		$actions[] = '<a class="submitdelete deletion" href="' . wp_nonce_url("themes.php?action=delete&amp;template=$stylesheet", 'delete-theme_' . $stylesheet) . '" onclick="' . "return confirm('" . esc_js(sprintf( __("You are about to delete this theme '%s'\n  'Cancel' to stop, 'OK' to delete."), $theme_name )) . "');" . '">' . __('Delete') . '</a>';
 	$actions = apply_filters('theme_action_links', $actions, $themes[$theme_name]);
 
 	$actions = implode ( ' | ', $actions );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4e72301d18..838590502c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -15,7 +15,7 @@ $wp_version = '3.0-beta2-14960';
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 14726;
+$wp_db_version = 14984;
 
 /**
  * Holds the TinyMCE version