diff --git a/core/modules/views/tests/src/Unit/Plugin/field/FieldTest.php b/core/modules/views/tests/src/Unit/Plugin/field/FieldTest.php
index 4a354c9..ea33752 100644
--- a/core/modules/views/tests/src/Unit/Plugin/field/FieldTest.php
+++ b/core/modules/views/tests/src/Unit/Plugin/field/FieldTest.php
@@ -49,13 +49,6 @@ class FieldTest extends UnitTestCase {
   protected $fieldTypePluginManager;
 
   /**
-   * The mocked display plugin.
-   *
-   * @var \Drupal\views\Plugin\views\display\DisplayPluginBase|\PHPUnit_Framework_MockObject_MockObject
-   */
-  protected $display;
-
-  /**
    * The renderer.
    *
    * @var \Drupal\Core\Render\RendererInterface|\PHPUnit_Framework_MockObject_MockObject