diff --git a/core/lib/Drupal/Core/Entity/Annotation/EntityType.php b/core/lib/Drupal/Core/Entity/Annotation/EntityType.php
index 4356981..2c27ccb 100644
--- a/core/lib/Drupal/Core/Entity/Annotation/EntityType.php
+++ b/core/lib/Drupal/Core/Entity/Annotation/EntityType.php
@@ -12,11 +12,6 @@
 /**
  * Defines an Entity type annotation object.
  *
- * Additional information can be provided by modules: hook_entity_info() can be
- * implemented to define new properties, while hook_entity_info_alter() can be
- * implemented to alter existing data and fill-in defaults. Module-specific
- * properties should be documented in the hook implementations defining them.
- *
  * @Annotation
  */
 class EntityType extends Plugin {
diff --git a/core/lib/Drupal/Core/Entity/EntityTypeInterface.php b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
index c163afb..1f9cff3 100644
--- a/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
@@ -9,6 +9,11 @@
 
 /**
  * Provides an interface for an entity type and its metadata.
+ *
+ * Additional information can be provided by modules: hook_entity_info() can be
+ * implemented to define new properties, while hook_entity_info_alter() can be
+ * implemented to alter existing data and fill-in defaults. Module-specific
+ * properties should be documented in the hook implementations defining them.
  */
 interface EntityTypeInterface {
 
diff --git a/core/modules/system/entity.api.php b/core/modules/system/entity.api.php
index 54e05e5..3eb29dd 100644
--- a/core/modules/system/entity.api.php
+++ b/core/modules/system/entity.api.php
@@ -97,14 +97,13 @@ function hook_ENTITY_TYPE_create_access(\Drupal\Core\Session\AccountInterface $a
  * Add to entity type definitions.
  *
  * Modules may implement this hook to add information to defined entity types,
- * as defined in the related annotation object.
+ * as defined in \Drupal\Core\Entity\EntityTypeInterface.
  *
  * @param \Drupal\Core\Entity\EntityTypeInterface $entity_info
  *   An associative array of all entity type definitions, keyed by the entity
  *   type name. Passed by reference.
  *
  * @see \Drupal\Core\Entity\Entity
- * @see \Drupal\Core\Entity\Annotation\EntityType
  * @see \Drupal\Core\Entity\EntityTypeInterface
  */
 function hook_entity_info(&$entity_info) {
@@ -130,7 +129,6 @@ function hook_entity_info(&$entity_info) {
  *   type name. Passed by reference.
  *
  * @see \Drupal\Core\Entity\Entity
- * @see \Drupal\Core\Entity\Annotation\EntityType
  * @see \Drupal\Core\Entity\EntityTypeInterface
  */
 function hook_entity_info_alter(&$entity_info) {