diff --git a/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/Display.php b/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/Display.php
index 1a7247d..3014657 100644
--- a/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/Display.php
+++ b/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/Display.php
@@ -9,6 +9,7 @@
 
 use Drupal\layout\Config\DisplayBase;
 use Drupal\layout\Config\BoundDisplayInterface;
+use Drupal\layout\Config\UnboundDisplayInterface;
 use Drupal\layout\Plugin\LayoutInterface;
 use Drupal\Core\Annotation\Plugin;
 use Drupal\Core\Annotation\Translation;
@@ -19,6 +20,7 @@
  *
  * @Plugin(
  *   id = "display",
+ *   label = @Translation("Display"),
  *   module = "layout",
  *   controller_class = "Drupal\Core\Config\Entity\ConfigStorageController",
  *   config_prefix = "display.bound",
diff --git a/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/UnboundDisplay.php b/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/UnboundDisplay.php
index cd36313..0db5871 100644
--- a/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/UnboundDisplay.php
+++ b/core/modules/layout/lib/Drupal/layout/Plugin/Core/Entity/UnboundDisplay.php
@@ -8,6 +8,7 @@
 namespace Drupal\layout\Plugin\Core\Entity;
 
 use Drupal\layout\Config\DisplayBase;
+use Drupal\layout\Config\BoundDisplayInterface;
 use Drupal\layout\Config\UnboundDisplayInterface;
 use Drupal\layout\Plugin\LayoutInterface;
 use Drupal\Core\Annotation\Plugin;
@@ -22,6 +23,7 @@
  *
  * @Plugin(
  *   id = "unbound_display",
+ *   label = @Translation("Unbound Display"),
  *   module = "layout",
  *   controller_class = "Drupal\Core\Config\Entity\ConfigStorageController",
  *   config_prefix = "display.unbound",
diff --git a/core/modules/layout/tests/config/display.test_onecol.yml b/core/modules/layout/tests/config/display.bound.test_onecol.yml
similarity index 100%
rename from core/modules/layout/tests/config/display.test_onecol.yml
rename to core/modules/layout/tests/config/display.bound.test_onecol.yml
diff --git a/core/modules/layout/tests/config/display.test_twocol.yml b/core/modules/layout/tests/config/display.bound.test_twocol.yml
similarity index 100%
rename from core/modules/layout/tests/config/display.test_twocol.yml
rename to core/modules/layout/tests/config/display.bound.test_twocol.yml