diff --git a/wp-includes/post.php b/wp-includes/post.php
index 0f75bf537e..b6ca7c24d3 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -3236,7 +3236,7 @@ function wp_delete_post( $postid = 0, $force_delete = false ) {
 
 	wp_defer_comment_counting( true );
 
-	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $postid ) );
+	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $postid ) );
 	foreach ( $comment_ids as $comment_id ) {
 		wp_delete_comment( $comment_id, true );
 	}
@@ -6194,7 +6194,7 @@ function wp_delete_attachment( $post_id, $force_delete = false ) {
 
 	wp_defer_comment_counting( true );
 
-	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) );
+	$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $post_id ) );
 	foreach ( $comment_ids as $comment_id ) {
 		wp_delete_comment( $comment_id, true );
 	}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2c8c21e10d..acb681e1d8 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52014';
+$wp_version = '5.9-alpha-52015';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.