diff --git a/core/modules/system/templates/status-messages.html.twig b/core/modules/system/templates/status-messages.html.twig
index 73bd9b74468ad338bf665a20f41d23fc51f27d7d..6ad802e1436610fd165a7bebc3b2748fb58196e9 100644
--- a/core/modules/system/templates/status-messages.html.twig
+++ b/core/modules/system/templates/status-messages.html.twig
@@ -15,8 +15,6 @@
  * Available variables:
  * - message_list: List of messages to be displayed, grouped by type.
  * - status_headings: List of all status types.
- * - display: (optional) May have a value of 'status' or 'error' when only
- *   displaying messages of that specific type.
  * - attributes: HTML attributes for the element, including:
  *   - class: HTML classes.
  *
diff --git a/core/profiles/demo_umami/themes/umami/templates/components/messages/status-messages.html.twig b/core/profiles/demo_umami/themes/umami/templates/components/messages/status-messages.html.twig
index f39301587bb17f8037163e71df7cd97143893842..a5094701b4b41671d4e9416aff220336fbf00e54 100644
--- a/core/profiles/demo_umami/themes/umami/templates/components/messages/status-messages.html.twig
+++ b/core/profiles/demo_umami/themes/umami/templates/components/messages/status-messages.html.twig
@@ -15,8 +15,6 @@
  * Available variables:
  * - message_list: List of messages to be displayed, grouped by type.
  * - status_headings: List of all status types.
- * - display: (optional) May have a value of 'status' or 'error' when only
- *   displaying messages of that specific type.
  * - attributes: HTML attributes for the element, including:
  *   - class: HTML classes.
  */
diff --git a/core/themes/bartik/templates/status-messages.html.twig b/core/themes/bartik/templates/status-messages.html.twig
index a4e1e9e2401bf5d818ecbbef9d6698e06e6d2836..e822ff5fbb9045418a39a77a8a255f79e7b79d05 100644
--- a/core/themes/bartik/templates/status-messages.html.twig
+++ b/core/themes/bartik/templates/status-messages.html.twig
@@ -16,8 +16,6 @@
  * Available variables:
  * - message_list: List of messages to be displayed, grouped by type.
  * - status_headings: List of all status types.
- * - display: (optional) May have a value of 'status' or 'error' when only
- *   displaying messages of that specific type.
  */
 #}
 {% block messages %}
diff --git a/core/themes/classy/templates/misc/status-messages.html.twig b/core/themes/classy/templates/misc/status-messages.html.twig
index 282df38ef2f6f2d0795482130faac986d3337d4d..2115b76f536c6e93c1acaf338b654e55f985095b 100644
--- a/core/themes/classy/templates/misc/status-messages.html.twig
+++ b/core/themes/classy/templates/misc/status-messages.html.twig
@@ -15,8 +15,6 @@
  * Available variables:
  * - message_list: List of messages to be displayed, grouped by type.
  * - status_headings: List of all status types.
- * - display: (optional) May have a value of 'status' or 'error' when only
- *   displaying messages of that specific type.
  * - attributes: HTML attributes for the element, including:
  *   - class: HTML classes.
  */
diff --git a/core/themes/stable/templates/misc/status-messages.html.twig b/core/themes/stable/templates/misc/status-messages.html.twig
index c7119f152c9573deec46f87afd591fe0430178fa..41d3fbd318ae4bfc788146f1090e879859e6828f 100644
--- a/core/themes/stable/templates/misc/status-messages.html.twig
+++ b/core/themes/stable/templates/misc/status-messages.html.twig
@@ -15,8 +15,6 @@
  * Available variables:
  * - message_list: List of messages to be displayed, grouped by type.
  * - status_headings: List of all status types.
- * - display: (optional) May have a value of 'status' or 'error' when only
- *   displaying messages of that specific type.
  * - attributes: HTML attributes for the element, including:
  *   - class: HTML classes.
  */