diff --git a/wp-admin/includes/dashboard.php b/wp-admin/includes/dashboard.php
index 949802cf33..b05f839125 100644
--- a/wp-admin/includes/dashboard.php
+++ b/wp-admin/includes/dashboard.php
@@ -981,7 +981,7 @@ function wp_dashboard_cached_rss_widget( $widget_id, $callback, $check_urls = ar
 	}
 
 	$locale = get_user_locale();
-	$cache_key = 'dash_' . md5( $widget_id . '_' . $locale );
+	$cache_key = 'dash_v2_' . md5( $widget_id . '_' . $locale );
 	if ( false !== ( $output = get_transient( $cache_key ) ) ) {
 		echo $output;
 		return true;
@@ -1063,7 +1063,7 @@ function wp_dashboard_rss_control( $widget_id, $form_inputs = array() ) {
 		}
 		update_option( 'dashboard_widget_options', $widget_options );
 		$locale = get_user_locale();
-		$cache_key = 'dash_' . md5( $widget_id . '_' . $locale );
+		$cache_key = 'dash_v2_' . md5( $widget_id . '_' . $locale );
 		delete_transient( $cache_key );
 	}
 
diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 23a5eee4d7..94ad771761 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -565,10 +565,6 @@ function upgrade_all() {
 	if ( $wp_current_db_version < 37965 )
 		upgrade_460();
 
-	if ( $wp_current_db_version < 40607 ) {
-		upgrade_480();
-	}
-
 	maybe_disable_link_manager();
 
 	maybe_disable_automattic_widgets();
@@ -1736,26 +1732,6 @@ function upgrade_460() {
 	}
 }
 
-/**
- * Executes changes made in WordPress 4.8.0.
- *
- * @ignore
- * @since 4.8.0
- *
- * @global int $wp_current_db_version Current database version.
- */
-function upgrade_480() {
-	global $wp_current_db_version;
-
-	if ( $wp_current_db_version < 40607 ) {
-		// This feature plugin was merged for #40702, so the plugin itself is no longer needed
-		deactivate_plugins( array( 'nearby-wp-events/nearby-wordpress-events.php' ), true );
-
-		// The markup stored in this transient changed for #40702
-		delete_transient( 'dash_' . md5( 'dashboard_primary' . '_' . get_locale() ) );
-	}
-}
-
 /**
  * Executes network-level upgrade routines.
  *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 685801758e..ada6ed4d4d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,14 +4,14 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-beta1-40802';
+$wp_version = '4.8-beta1-40803';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 40607;
+$wp_db_version = 38590;
 
 /**
  * Holds the TinyMCE version