diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php
index b31829c..a14fe00 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php
@@ -16,7 +16,6 @@
 use Drupal\Core\Field\FieldItemBase;
 use Drupal\Core\TypedData\DataDefinition;
 use Drupal\Core\TypedData\DataReferenceDefinition;
-use Drupal\entity_reference\Exception\MissingDefaultValueException;
 
 /**
  * Defines the 'entity_reference' entity field type.
diff --git a/core/modules/entity_reference/src/Tests/EntityReferenceIntegrationTest.php b/core/modules/entity_reference/src/Tests/EntityReferenceIntegrationTest.php
index 2f03ed1..69f9031 100644
--- a/core/modules/entity_reference/src/Tests/EntityReferenceIntegrationTest.php
+++ b/core/modules/entity_reference/src/Tests/EntityReferenceIntegrationTest.php
@@ -9,7 +9,6 @@
 
 use Drupal\Component\Utility\String;
 use Drupal\config\Tests\AssertConfigEntityImportTrait;
-use Drupal\entity_reference\Exception\MissingDefaultValueException;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\simpletest\WebTestBase;