diff --git a/wp-includes/update.php b/wp-includes/update.php
index 0784ca6f5ca2f20eca0d9ac7f1fca6f5722da0d4..7eb4e4eea92713996b38c61cf25e1ba6ced1a73a 100644
--- a/wp-includes/update.php
+++ b/wp-includes/update.php
@@ -142,11 +142,7 @@ function wp_version_check( $extra_stats = array(), $force_check = false ) {
 	$options = array(
         'timeout' => $doing_cron ? 30 : 3,
 		'user-agent' => 'WordPress/' . $wp_version . ';  http://wordpress.org',
-		'headers' => array(
-			'wp_install' => home_url( '/' ),
-			'wp_blog' => home_url( '/' )
-		),
-		'body'       => $post_body,
+		'body' => $post_body,
 	);
 
 	$response = wp_remote_post( $url, $options );