diff --git a/core/modules/system/templates/links.html.twig b/core/modules/system/templates/links.html.twig
index 21ab95d..86713b5 100644
--- a/core/modules/system/templates/links.html.twig
+++ b/core/modules/system/templates/links.html.twig
@@ -11,8 +11,6 @@
  *   - href: The link URL. If omitted, the 'title' is shown as a plain text
  *     item in the links list. If 'href' is supplied, the entire link is passed
  *     to l() as its $options parameter.
- *   - html: (optional) Whether or not 'title' is HTML. If set, the title will
- *     not be passed through \Drupal\Component\Utility\SafeMarkup::checkPlain().
  *   - attributes: (optional) HTML attributes for the anchor, or for the <span>
  *     tag if no 'href' is supplied.
  *   - link_key: The link CSS class.
diff --git a/core/themes/classy/templates/navigation/links.html.twig b/core/themes/classy/templates/navigation/links.html.twig
index 5f62ac3..f82f41a 100644
--- a/core/themes/classy/templates/navigation/links.html.twig
+++ b/core/themes/classy/templates/navigation/links.html.twig
@@ -11,8 +11,6 @@
  *   - href: The link URL. If omitted, the 'title' is shown as a plain text
  *     item in the links list. If 'href' is supplied, the entire link is passed
  *     to l() as its $options parameter.
- *   - html: (optional) Whether or not 'title' is HTML. If set, the title will
- *     not be passed through \Drupal\Component\Utility\SafeMarkup::checkPlain().
  *   - attributes: (optional) HTML attributes for the anchor, or for the <span>
  *     tag if no 'href' is supplied.
  *   - link_key: The link CSS class.