diff --git a/core/modules/block/templates/block.html.twig b/core/modules/block/templates/block.html.twig
index c1453bd..1bc6489 100644
--- a/core/modules/block/templates/block.html.twig
+++ b/core/modules/block/templates/block.html.twig
@@ -21,13 +21,6 @@
  *     module is responsible for handling the default user navigation block. In
  *     that case the class would be 'block-user'.
  *
- * Helper variables:
- * - block_id: Counter dependent on each block region.
- * - id: Same output as $block_id but independent of any block region.
- * - is_front: Flags true when presented in the front page.
- * - logged_in: Flags true when the current user is a logged-in member.
- * - is_admin: Flags true when the current user is an administrator.
- *
  * @see template_preprocess()
  * @see template_preprocess_block()
  *