diff -u b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheck.php b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheck.php
--- b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheck.php
+++ b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheck.php
@@ -9,10 +9,7 @@
 
 /**
  * @deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0.
- *
- * Access check for editing entity fields.
  */
-
 class EditEntityFieldAccessCheck extends QuickEditEntityFieldAccessCheck {
 
 }
diff -u b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheckInterface.php b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheckInterface.php
--- b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheckInterface.php
+++ b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheckInterface.php
@@ -4,8 +4,6 @@
 
 /**
  * @deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0.
- *
- * Access check for editing entity fields.
  */
 interface EditEntityFieldAccessCheckInterface extends QuickEditEntityFieldAccessCheckInterface {
 
diff -u b/core/modules/quickedit/src/Access/QuickEditEntityFieldAccessCheck.php b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheck.php
--- b/core/modules/quickedit/src/Access/QuickEditEntityFieldAccessCheck.php
+++ b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheck.php
@@ -9,54 +9,7 @@
 
 /**
- * Access check for in-place editing entity fields.
+ * @deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0.
  */
-class QuickEditEntityFieldAccessCheck implements AccessInterface, QuickEditEntityFieldAccessCheckInterface {
-
-  /**
-   * Checks Quick Edit access to the field.
-   *
-   * @param \Drupal\Core\Entity\EntityInterface $entity
-   *   The entity containing the field.
-   * @param string $field_name
-   *   The field name.
-   * @param string $langcode
-   *   The langcode.
-   * @param \Drupal\Core\Session\AccountInterface $account
-   *   The currently logged in account.
-   *
-   * @return \Drupal\Core\Access\AccessResultInterface
-   *   The access result.
-   *
-   * @todo Use the $account argument: https://www.drupal.org/node/2266809.
-   */
-  public function access(EntityInterface $entity, $field_name, $langcode, AccountInterface $account) {
-    if (!$this->validateRequestAttributes($entity, $field_name, $langcode)) {
-      return AccessResult::forbidden();
-    }
-
-    return $this->accessEditEntityField($entity, $field_name);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function accessEditEntityField(EntityInterface $entity, $field_name) {
-    return $entity->access('update', NULL, TRUE)->andIf($entity->get($field_name)->access('edit', NULL, TRUE));
-  }
-
-  /**
-   * Validates request attributes.
-   */
-  protected function validateRequestAttributes(EntityInterface $entity, $field_name, $langcode) {
-    // Validate the field name and language.
-    if (!$field_name || !$entity->hasField($field_name)) {
-      return FALSE;
-    }
-    if (!$langcode || !$entity->hasTranslation($langcode)) {
-      return FALSE;
-    }
-
-    return TRUE;
-  }
+class EditEntityFieldAccessCheck extends QuickEditEntityFieldAccessCheck {
 
 }
diff -u b/core/modules/quickedit/src/Access/QuickEditEntityFieldAccessCheckInterface.php b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheckInterface.php
--- b/core/modules/quickedit/src/Access/QuickEditEntityFieldAccessCheckInterface.php
+++ b/core/modules/quickedit/src/Access/EditEntityFieldAccessCheckInterface.php
@@ -3,23 +3,8 @@
 namespace Drupal\quickedit\Access;
 
-use Drupal\Core\Entity\EntityInterface;
-
 /**
- * Access check for in-place editing entity fields.
+ * @deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0.
  */
-interface QuickEditEntityFieldAccessCheckInterface {
-
-  /**
-   * Checks access to edit the requested field of the requested entity.
-   *
-   * @param \Drupal\Core\Entity\EntityInterface $entity
-   *   The entity.
-   * @param string $field_name
-   *   The field name.
-   *
-   * @return \Drupal\Core\Access\AccessResultInterface
-   *   The access result.
-   */
-  public function accessEditEntityField(EntityInterface $entity, $field_name);
+interface EditEntityFieldAccessCheckInterface extends QuickEditEntityFieldAccessCheckInterface {
 
 }
diff -u b/core/modules/quickedit/tests/modules/src/MockEditEntityFieldAccessCheck.php b/core/modules/quickedit/tests/modules/src/MockEditEntityFieldAccessCheck.php
--- b/core/modules/quickedit/tests/modules/src/MockEditEntityFieldAccessCheck.php
+++ b/core/modules/quickedit/tests/modules/src/MockEditEntityFieldAccessCheck.php
@@ -2,13 +2,8 @@
 
 namespace Drupal\quickedit_test;
 
-use Drupal\Core\Entity\EntityInterface;
-use Drupal\quickedit\Access\QuickEditEntityFieldAccessCheckInterface;
-
 /**
  * @deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0.
- *
- * Access check for editing entity fields.
  */
 class MockEditEntityFieldAccessCheck extends MockQuickEditEntityFieldAccessCheck {
 
diff -u b/core/modules/quickedit/tests/modules/src/MockQuickEditEntityFieldAccessCheck.php b/core/modules/quickedit/tests/modules/src/MockEditEntityFieldAccessCheck.php
--- b/core/modules/quickedit/tests/modules/src/MockQuickEditEntityFieldAccessCheck.php
+++ b/core/modules/quickedit/tests/modules/src/MockEditEntityFieldAccessCheck.php
@@ -3,18 +3,8 @@
 namespace Drupal\quickedit_test;
 
-use Drupal\Core\Entity\EntityInterface;
-use Drupal\quickedit\Access\QuickEditEntityFieldAccessCheckInterface;
-
 /**
- * Access check for in-place editing entity fields.
+ * @deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0.
  */
-class MockQuickEditEntityFieldAccessCheck implements QuickEditEntityFieldAccessCheckInterface {
-
-  /**
-   * {@inheritdoc}
-   */
-  public function accessEditEntityField(EntityInterface $entity, $field_name) {
-    return TRUE;
-  }
+class MockEditEntityFieldAccessCheck extends MockQuickEditEntityFieldAccessCheck {
 
 }
diff -u b/core/modules/quickedit/tests/src/Unit/Access/EditEntityFieldAccessCheckTest.php b/core/modules/quickedit/tests/src/Unit/Access/QuickEditEntityFieldAccessCheckTest.php
--- b/core/modules/quickedit/tests/src/Unit/Access/EditEntityFieldAccessCheckTest.php
+++ b/core/modules/quickedit/tests/src/Unit/Access/QuickEditEntityFieldAccessCheckTest.php
@@ -3,13 +3,147 @@
 namespace Drupal\Tests\quickedit\Unit\Access;
 
-/**
- * @deprecated in Drupal 8.3.x, will be removed before Drupal 9.x
- */
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Cache\Context\CacheContextsManager;
+use Drupal\Core\DependencyInjection\Container;
+use Drupal\quickedit\Access\QuickEditEntityFieldAccessCheck;
+use Drupal\Tests\UnitTestCase;
+use Drupal\Core\Language\LanguageInterface;
+
 /**
  * @coversDefaultClass \Drupal\quickedit\Access\QuickEditEntityFieldAccessCheck
  * @group Access
  * @group quickedit
  */
-class EditEntityFieldAccessCheckTest extends QuickEditEntityFieldAccessCheckTest {
+class QuickEditEntityFieldAccessCheckTest extends UnitTestCase {
+
+  /**
+   * The tested access checker.
+   *
+   * @var \Drupal\quickedit\Access\QuickEditEntityFieldAccessCheck
+   */
+  protected $editAccessCheck;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    $this->editAccessCheck = new QuickEditEntityFieldAccessCheck();
+
+    $cache_contexts_manager = $this->prophesize(CacheContextsManager::class);
+    $cache_contexts_manager->assertValidTokens()->willReturn(TRUE);
+    $cache_contexts_manager->reveal();
+    $container = new Container();
+    $container->set('cache_contexts_manager', $cache_contexts_manager);
+    \Drupal::setContainer($container);
+  }
+
+  /**
+   * Provides test data for testAccess().
+   *
+   * @see \Drupal\Tests\edit\Unit\quickedit\Access\QuickEditEntityFieldAccessCheckTest::testAccess()
+   */
+  public function providerTestAccess() {
+    $data = array();
+    $data[] = array(TRUE, TRUE, AccessResult::allowed());
+    $data[] = array(FALSE, TRUE, AccessResult::neutral());
+    $data[] = array(TRUE, FALSE, AccessResult::neutral());
+    $data[] = array(FALSE, FALSE, AccessResult::neutral());
+
+    return $data;
+  }
+
+  /**
+   * Tests the method for checking access to routes.
+   *
+   * @param bool $entity_is_editable
+   *   Whether the subject entity is editable.
+   * @param bool $field_storage_is_accessible
+   *   Whether the user has access to the field storage entity.
+   * @param \Drupal\Core\Access\AccessResult $expected_result
+   *   The expected result of the access call.
+   *
+   * @dataProvider providerTestAccess
+   */
+  public function testAccess($entity_is_editable, $field_storage_is_accessible, AccessResult $expected_result) {
+    $entity = $this->createMockEntity();
+    $entity->expects($this->any())
+      ->method('access')
+      ->willReturn(AccessResult::allowedIf($entity_is_editable)->cachePerPermissions());
+
+    $field_storage = $this->getMock('Drupal\field\FieldStorageConfigInterface');
+    $field_storage->expects($this->any())
+      ->method('access')
+      ->willReturn(AccessResult::allowedIf($field_storage_is_accessible));
+
+    $expected_result->cachePerPermissions();
+
+    $field_name = 'valid';
+    $entity_with_field = clone $entity;
+    $entity_with_field->expects($this->any())
+      ->method('get')
+      ->with($field_name)
+      ->will($this->returnValue($field_storage));
+    $entity_with_field->expects($this->once())
+      ->method('hasTranslation')
+      ->with(LanguageInterface::LANGCODE_NOT_SPECIFIED)
+      ->will($this->returnValue(TRUE));
+
+    $account = $this->getMock('Drupal\Core\Session\AccountInterface');
+    $access = $this->editAccessCheck->access($entity_with_field, $field_name, LanguageInterface::LANGCODE_NOT_SPECIFIED, $account);
+    $this->assertEquals($expected_result, $access);
+  }
+
+  /**
+   * Tests checking access to routes that result in AccessResult::isForbidden().
+   *
+   * @dataProvider providerTestAccessForbidden
+   */
+  public function testAccessForbidden($field_name, $langcode) {
+    $account = $this->getMock('Drupal\Core\Session\AccountInterface');
+    $entity = $this->createMockEntity();
+    $this->assertEquals(AccessResult::forbidden(), $this->editAccessCheck->access($entity, $field_name, $langcode, $account));
+  }
+
+  /**
+   * Provides test data for testAccessForbidden.
+   */
+  public function providerTestAccessForbidden() {
+    $data = array();
+    // Tests the access method without a field_name.
+    $data[] = array(NULL, LanguageInterface::LANGCODE_NOT_SPECIFIED);
+    // Tests the access method with a non-existent field.
+    $data[] = array('not_valid', LanguageInterface::LANGCODE_NOT_SPECIFIED);
+    // Tests the access method without a langcode.
+    $data[] = array('valid', NULL);
+    // Tests the access method with an invalid langcode.
+    $data[] = array('valid', 'xx-lolspeak');
+    return $data;
+  }
+
+  /**
+   * Returns a mock entity.
+   *
+   * @return \Drupal\Core\Entity\EntityInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected function createMockEntity() {
+    $entity = $this->getMockBuilder('Drupal\entity_test\Entity\EntityTest')
+      ->disableOriginalConstructor()
+      ->getMock();
+
+    $entity->expects($this->any())
+      ->method('hasTranslation')
+      ->will($this->returnValueMap(array(
+        array(LanguageInterface::LANGCODE_NOT_SPECIFIED, TRUE),
+        array('xx-lolspeak', FALSE),
+      )));
+    $entity->expects($this->any())
+      ->method('hasField')
+      ->will($this->returnValueMap(array(
+        array('valid', TRUE),
+        array('not_valid', FALSE),
+      )));
+
+    return $entity;
+  }
 
 }