diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8ac2e7ca08..ac4badf6f6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53719';
+$wp_version = '6.1-alpha-53720';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-trackback.php b/wp-trackback.php
index 41b215b658..f78cd5e095 100644
--- a/wp-trackback.php
+++ b/wp-trackback.php
@@ -42,9 +42,6 @@ function trackback_response( $error = 0, $error_message = '' ) {
 	}
 }
 
-// Trackback is done by a POST.
-$request_array = 'HTTP_POST_VARS';
-
 if ( ! isset( $_GET['tb_id'] ) || ! $_GET['tb_id'] ) {
 	$post_id = explode( '/', $_SERVER['REQUEST_URI'] );
 	$post_id = (int) $post_id[ count( $post_id ) - 1 ];