diff --git a/core/modules/block/templates/block.html.twig b/core/modules/block/templates/block.html.twig
index 236b3cf..11cc17e 100644
--- a/core/modules/block/templates/block.html.twig
+++ b/core/modules/block/templates/block.html.twig
@@ -12,12 +12,6 @@
  *   - module: The module that provided this block plugin.
  *   - cache: The cache settings.
  *   - Block plugin specific settings will also be stored here.
- * - block - The full block entity.
- *   - label_hidden: The hidden block title value if the block was
- *     configured to hide the title ('label' is empty in this case).
- *   - module: The module that generated the block.
- *   - delta: An ID for the block, unique within each module.
- *   - region: The block region embedding the current block.
  * - content: The content of this block.
  * - attributes: array of HTML attributes populated by modules, intended to
  *   be added to the main container tag of this template.
diff --git a/core/modules/system/templates/block--system-menu-block.html.twig b/core/modules/system/templates/block--system-menu-block.html.twig
index b421113..617bb52 100644
--- a/core/modules/system/templates/block--system-menu-block.html.twig
+++ b/core/modules/system/templates/block--system-menu-block.html.twig
@@ -12,12 +12,6 @@
  *   - module: The module that provided this block plugin.
  *   - cache: The cache settings.
  *   - Block plugin specific settings will also be stored here.
- * - block - The full block entity.
- *   - label_hidden: The hidden block title value if the block was
- *     configured to hide the title ('label' is empty in this case).
- *   - module: The module that generated the block.
- *   - delta: An ID for the block, unique within each module.
- *   - region: The block region embedding the current block.
  * - content: The content of this block.
  * - attributes: HTML attributes for the containing element.
  *   - id: A valid HTML ID and guaranteed unique.
diff --git a/core/themes/bartik/templates/block.html.twig b/core/themes/bartik/templates/block.html.twig
index 234af70..f94013d 100644
--- a/core/themes/bartik/templates/block.html.twig
+++ b/core/themes/bartik/templates/block.html.twig
@@ -12,12 +12,6 @@
  *   - module: The module that provided this block plugin.
  *   - cache: The cache settings.
  *   - Block plugin specific settings will also be stored here.
- * - block - The full block entity.
- *   - label_hidden: The hidden block title value if the block was
- *     configured to hide the title ('label' is empty in this case).
- *   - module: The module that generated the block.
- *   - delta: An ID for the block, unique within each module.
- *   - region: The block region embedding the current block.
  * - content: The content of this block.
  * - attributes: array of HTML attributes populated by modules, intended to
  *   be added to the main container tag of this template.
diff --git a/core/themes/classy/templates/block/block--search-form-block.html.twig b/core/themes/classy/templates/block/block--search-form-block.html.twig
index 0b162dd..da28093 100644
--- a/core/themes/classy/templates/block/block--search-form-block.html.twig
+++ b/core/themes/classy/templates/block/block--search-form-block.html.twig
@@ -12,12 +12,6 @@
  *   - module: The module that provided this block plugin.
  *   - cache: The cache settings.
  *   - Block plugin specific settings will also be stored here.
- * - block - The full block entity, including:
- *   - label_hidden: The hidden block title value if the block was
- *     configured to hide the title ('label' is empty in this case).
- *   - module: The module that generated the block.
- *   - delta: An ID for the block, unique within each module.
- *   - region: The block region embedding the current block.
  * - content: The content of this block.
  * - attributes: A list HTML attributes populated by modules, intended to
  *   be added to the main container tag of this template. Includes:
diff --git a/core/themes/classy/templates/block/block--system-menu-block.html.twig b/core/themes/classy/templates/block/block--system-menu-block.html.twig
index 0f4ec80..dcb019a 100644
--- a/core/themes/classy/templates/block/block--system-menu-block.html.twig
+++ b/core/themes/classy/templates/block/block--system-menu-block.html.twig
@@ -12,12 +12,6 @@
  *   - module: The module that provided this block plugin.
  *   - cache: The cache settings.
  *   - Block plugin specific settings will also be stored here.
- * - block - The full block entity.
- *   - label_hidden: The hidden block title value if the block was
- *     configured to hide the title ('label' is empty in this case).
- *   - module: The module that generated the block.
- *   - delta: An ID for the block, unique within each module.
- *   - region: The block region embedding the current block.
  * - content: The content of this block.
  * - attributes: HTML attributes for the containing element.
  *   - id: A valid HTML ID and guaranteed unique.
diff --git a/core/themes/classy/templates/block/block.html.twig b/core/themes/classy/templates/block/block.html.twig
index ce5477a..8b584b9 100644
--- a/core/themes/classy/templates/block/block.html.twig
+++ b/core/themes/classy/templates/block/block.html.twig
@@ -12,12 +12,6 @@
  *   - module: The module that provided this block plugin.
  *   - cache: The cache settings.
  *   - Block plugin specific settings will also be stored here.
- * - block - The full block entity.
- *   - label_hidden: The hidden block title value if the block was
- *     configured to hide the title ('label' is empty in this case).
- *   - module: The module that generated the block.
- *   - delta: An ID for the block, unique within each module.
- *   - region: The block region embedding the current block.
  * - content: The content of this block.
  * - attributes: array of HTML attributes populated by modules, intended to
  *   be added to the main container tag of this template.