diff -u b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
--- b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
@@ -108,10 +108,7 @@
    *   - label: (optional) The name of the property that contains the entity
    *     label. For example, if the entity's label is located in
    *     $entity->subject, then 'subject' should be specified here. If complex
-   *     logic is required to build the label, a 'label_callback' should be
-   *     defined instead (see the $label_callback block above for details) that
-   *     has been deprecated. It will be removed when an alternative solution
-   *     has been implemented.
+   *     logic is required to build the label, Entity::label() should be used.
    *   - langcode: (optional) The name of the property that contains the
    *     language code. For instance, if the entity's language is located in
    *     $entity->langcode, then 'langcode' should be specified here.