diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
index 18c3224466..4275d81677 100644
--- a/src/wp-includes/default-filters.php
+++ b/src/wp-includes/default-filters.php
@@ -286,7 +286,6 @@ add_action( 'wp_head', 'feed_links', 2 );
 add_action( 'wp_head', 'feed_links_extra', 3 );
 add_action( 'wp_head', 'rsd_link' );
 add_action( 'wp_head', 'wlwmanifest_link' );
-add_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 );
 add_action( 'wp_head', 'locale_stylesheet' );
 add_action( 'publish_future_post', 'check_and_publish_future_post', 10, 1 );
 add_action( 'wp_head', 'noindex', 1 );