diff --git a/core/modules/field_ui/src/Form/FieldStorageAddForm.php b/core/modules/field_ui/src/Form/FieldStorageAddForm.php
index e397844..b355491 100644
--- a/core/modules/field_ui/src/Form/FieldStorageAddForm.php
+++ b/core/modules/field_ui/src/Form/FieldStorageAddForm.php
@@ -2,7 +2,6 @@
 
 namespace Drupal\field_ui\Form;
 
-use Drupal\Component\Utility\Html;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Field\FieldTypePluginManagerInterface;
diff --git a/core/modules/field_ui/tests/src/FunctionalJavascript/UiDescriptionsTest.php b/core/modules/field_ui/tests/src/FunctionalJavascript/UiDescriptionsTest.php
index ef9054f..f6ec8d3 100644
--- a/core/modules/field_ui/tests/src/FunctionalJavascript/UiDescriptionsTest.php
+++ b/core/modules/field_ui/tests/src/FunctionalJavascript/UiDescriptionsTest.php
@@ -47,10 +47,10 @@ public function testFieldDescriptions() {
     // Check that the description wrapper is only visible after you select that
     // element from the list.
     $assert_session->optionExists('edit-new-storage-type', 'boolean');
-    $boolean_description_element = $page->find('css', '#edit-description-boolean-0');
+    $boolean_description_element = $assert_session->elementExists('css', '#edit-description-boolean-0');
     $this->assertFalse($boolean_description_element->isVisible());
     $page->selectFieldOption('edit-new-storage-type', 'boolean');
-    $boolean_description_element = $page->find('css', '#edit-description-boolean-0');
+    $boolean_description_element = $assert_session->elementExists('css', '#edit-description-boolean-0');
     $this->assertTrue($boolean_description_element->isVisible());
 
     // Make sure the expected texts from the plugin annotations (or overriden