diff --git a/src/wp-includes/canonical.php b/src/wp-includes/canonical.php
index b73b9f72f2..42d6dcf44a 100644
--- a/src/wp-includes/canonical.php
+++ b/src/wp-includes/canonical.php
@@ -409,17 +409,6 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
 			}
 
 			$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
-		} elseif ( is_singular() && empty( get_query_var( 'name' ) ) && $post_id ) {
-			/*
-			 * Redirect example.org/%post_id%/ to canonical url.
-			 * @ticket 12456
-			 */
-			$redirect_url      = get_permalink( $post_id );
-			$redirect['query'] = _remove_qs_args_if_not_in_url(
-				$redirect['query'],
-				array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
-				$redirect_url
-			);
 		}
 
 		// Paging and feeds.