diff --git a/wp-includes/rest-api/class-wp-rest-server.php b/wp-includes/rest-api/class-wp-rest-server.php
index cb0756b96b..9c8d257096 100644
--- a/wp-includes/rest-api/class-wp-rest-server.php
+++ b/wp-includes/rest-api/class-wp-rest-server.php
@@ -520,7 +520,6 @@ class WP_REST_Server {
 		}
 
 		$embedded = array();
-		$api_root = rest_url();
 
 		foreach ( $data['_links'] as $rel => $links ) {
 			// Ignore links to self, for obvious reasons.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 379944956e..ff416ba399 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-beta3-37020';
+$wp_version = '4.5-beta3-37021';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.