diff --git a/tests/src/Unit/Routing/JsonApiParamEnhancerTest.php b/tests/src/Unit/Routing/JsonApiParamEnhancerTest.php
deleted file mode 100644
index 3e83cb1..0000000
--- a/tests/src/Unit/Routing/JsonApiParamEnhancerTest.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-
-namespace Drupal\Tests\jsonapi\Unit\Routing;
-
-use Drupal\jsonapi\ResourceType\ResourceType;
-use Drupal\jsonapi\Routing\JsonApiParamEnhancer;
-use Drupal\jsonapi\Query\OffsetPage;
-use Drupal\jsonapi\Query\Filter;
-use Drupal\jsonapi\Query\Sort;
-use Drupal\jsonapi\Routing\Routes;
-use Drupal\Tests\UnitTestCase;
-use Prophecy\Argument;
-use Symfony\Cmf\Component\Routing\RouteObjectInterface;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
-
-/**
- * @coversDefaultClass \Drupal\jsonapi\Routing\JsonApiParamEnhancer
- * @group jsonapi
- * @group jsonapi_param_enhancer
- * @group legacy
- *
- * @internal
- */
-class JsonApiParamEnhancerTest extends UnitTestCase {
-
-  /**
-   * @covers ::enhance
-   */
-  public function testEnhanceFilter() {
-    list($filter_normalizer, $sort_normalizer, $page_normalizer) = $this->getMockNormalizers();
-    $object = new JsonApiParamEnhancer($filter_normalizer, $sort_normalizer, $page_normalizer);
-    $defaults = $object->enhance([
-      RouteObjectInterface::CONTROLLER_NAME => Routes::FRONT_CONTROLLER,
-      Routes::RESOURCE_TYPE_KEY => new ResourceType('foo', 'bar', NULL),
-      Routes::JSON_API_ROUTE_FLAG_KEY => TRUE,
-    ], Request::create('/jsonapi/foo/bar', 'GET', ['filter' => ['filed1' => 'lorem']]));
-    $this->assertInstanceOf(Filter::class, $defaults['_json_api_params']['filter']);
-    $this->assertInstanceOf(OffsetPage::class, $defaults['_json_api_params']['page']);
-    $this->assertTrue(empty($defaults['_json_api_params']['sort']));
-  }
-
-  /**
-   * @covers ::enhance
-   */
-  public function testEnhancePage() {
-    list($filter_normalizer, $sort_normalizer, $page_normalizer) = $this->getMockNormalizers();
-    $object = new JsonApiParamEnhancer($filter_normalizer, $sort_normalizer, $page_normalizer);
-    $defaults = $object->enhance([
-      RouteObjectInterface::CONTROLLER_NAME => Routes::FRONT_CONTROLLER,
-      Routes::RESOURCE_TYPE_KEY => new ResourceType('foo', 'bar', NULL),
-      Routes::JSON_API_ROUTE_FLAG_KEY => TRUE,
-    ], Request::create('/jsonapi/foo/bar', 'GET', ['page' => ['cursor' => 'lorem']]));
-    $this->assertInstanceOf(OffsetPage::class, $defaults['_json_api_params']['page']);
-    $this->assertTrue(empty($defaults['_json_api_params']['filter']));
-    $this->assertTrue(empty($defaults['_json_api_params']['sort']));
-  }
-
-  /**
-   * @covers ::enhance
-   */
-  public function testEnhanceSort() {
-    list($filter_normalizer, $sort_normalizer, $page_normalizer) = $this->getMockNormalizers();
-    $object = new JsonApiParamEnhancer($filter_normalizer, $sort_normalizer, $page_normalizer);
-    $defaults = $object->enhance([
-      RouteObjectInterface::CONTROLLER_NAME => Routes::FRONT_CONTROLLER,
-      Routes::RESOURCE_TYPE_KEY => new ResourceType('foo', 'bar', NULL),
-      Routes::JSON_API_ROUTE_FLAG_KEY => TRUE,
-    ], Request::create('/jsonapi/foo/bar', 'GET', ['sort' => '-lorem']));
-    $this->assertInstanceOf(Sort::class, $defaults['_json_api_params']['sort']);
-    $this->assertInstanceOf(OffsetPage::class, $defaults['_json_api_params']['page']);
-    $this->assertTrue(empty($defaults['_json_api_params']['filter']));
-  }
-
-  /**
-   * Builds mock normalizers.
-   */
-  public function getMockNormalizers() {
-    $filter_normalizer = $this->prophesize(DenormalizerInterface::class);
-    $filter_normalizer->denormalize(
-      Argument::any(),
-      Filter::class,
-      Argument::any(),
-      Argument::any()
-    )->willReturn($this->prophesize(Filter::class)->reveal());
-
-    $sort_normalizer = $this->prophesize(DenormalizerInterface::class);
-    $sort_normalizer->denormalize(
-      Argument::any(),
-      Sort::class,
-      Argument::any(),
-      Argument::any()
-    )->willReturn($this->prophesize(Sort::class)->reveal());
-
-    $page_normalizer = $this->prophesize(DenormalizerInterface::class);
-    $page_normalizer->denormalize(Argument::any(), OffsetPage::class)->willReturn($this->prophesize(OffsetPage::class)->reveal());
-
-    return [
-      $filter_normalizer->reveal(),
-      $sort_normalizer->reveal(),
-      $page_normalizer->reveal(),
-    ];
-  }
-
-}