Ticket #21658: bug-21658.diff

wp-includes/link-template.php

@@ -1648 +1648 @@
  *
  */
 function adjacent_posts_rel_link_wp_head() {
-        if ( !is_singular() || is_attachment() )
+        if ( !is_singular() || is_attachment() || is_page() )
                 return;
         adjacent_posts_rel_link();
 }