diff --git a/wp-includes/embed-functions.php b/wp-includes/embed-functions.php
index 03ed6fb34c..e765a8e982 100644
--- a/wp-includes/embed-functions.php
+++ b/wp-includes/embed-functions.php
@@ -510,11 +510,11 @@ JS;
  *
  * @since 4.4.0
  *
- * @param WP_Post|int $post  Optional. Post object or ID. Default is global `$post`.
+ * @param WP_Post|int $post  Post object or ID.
  * @param int         $width The requested width.
  * @return array|false Response data on success, false if post doesn't exist.
  */
-function get_oembed_response_data( $post = null, $width ) {
+function get_oembed_response_data( $post, $width ) {
 	$post = get_post( $post );
 
 	if ( ! $post ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7ea431c912..97f977da8d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta2-35470';
+$wp_version = '4.4-beta2-35471';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.