diff --git a/tests/src/Kernel/Controller/EntityResourceTest.php b/tests/src/Kernel/Controller/EntityResourceTest.php
index 1e5e077..75ec717 100644
--- a/tests/src/Kernel/Controller/EntityResourceTest.php
+++ b/tests/src/Kernel/Controller/EntityResourceTest.php
@@ -72,7 +72,6 @@ class EntityResourceTest extends KernelTestBase {
     $entity_resource = new EntityResource(
       $this->container->get('entity_type.manager'),
       $this->container->get('entity_field.manager'),
-      $this->container->get('jsonapi.link_manager'),
       $this->container->get('jsonapi.resource_type.repository'),
       $this->container->get('renderer'),
       $this->container->get('entity.repository'),
@@ -90,7 +89,7 @@ class EntityResourceTest extends KernelTestBase {
     // As a side effect, the node type will also be saved.
     $node_type = NodeType::load('test');
     $this->assertInstanceOf(JsonApiDocumentTopLevel2::class, $response->getResponseData());
-    $data = $response->getResponseData()->getData();
+    $data = $response->getResponseData()->getData()->getIterator()->offsetGet(0);
     $this->assertInstanceOf(ResourceObject::class, $data);
     $this->assertEquals($node_type->uuid(), $data->getId());
     $this->assertEquals(201, $response->getStatusCode());
@@ -133,7 +132,6 @@ class EntityResourceTest extends KernelTestBase {
     $entity_resource = new EntityResource(
       $this->container->get('entity_type.manager'),
       $this->container->get('entity_field.manager'),
-      $this->container->get('jsonapi.link_manager'),
       $this->container->get('jsonapi.resource_type.repository'),
       $this->container->get('renderer'),
       $this->container->get('entity.repository'),
@@ -151,7 +149,7 @@ class EntityResourceTest extends KernelTestBase {
 
     // As a side effect, the node will also be saved.
     $this->assertInstanceOf(JsonApiDocumentTopLevel2::class, $response->getResponseData());
-    $updated_node_type = $response->getResponseData()->getData();
+    $updated_node_type = $response->getResponseData()->getData()->getIterator()->offsetGet(0);
     $this->assertInstanceOf(ResourceObject::class, $updated_node_type);
     // If the field is ignored then we should not see a difference.
     foreach ($values as $field_name => $value) {
@@ -213,7 +211,6 @@ class EntityResourceTest extends KernelTestBase {
     $entity_resource = new EntityResource(
       $this->container->get('entity_type.manager'),
       $this->container->get('entity_field.manager'),
-      $this->container->get('jsonapi.link_manager'),
       $this->container->get('jsonapi.resource_type.repository'),
       $this->container->get('renderer'),
       $this->container->get('entity.repository'),
diff --git a/tests/src/Kernel/EntityToJsonApiTest.php b/tests/src/Kernel/EntityToJsonApiTest.php
index 6641d33..fdfb0ce 100644
--- a/tests/src/Kernel/EntityToJsonApiTest.php
+++ b/tests/src/Kernel/EntityToJsonApiTest.php
@@ -6,7 +6,6 @@ use Drupal\Component\Serialization\Json;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\file\Entity\File;
-use Drupal\jsonapi\LinkManager\LinkManager;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
 use Drupal\taxonomy\Entity\Term;
@@ -139,20 +138,6 @@ class EntityToJsonApiTest extends JsonapiKernelTestBase {
 
     $this->node->save();
 
-    $link_manager = $this->prophesize(LinkManager::class);
-    $link_manager
-      ->getEntityLink(
-        Argument::any(),
-        Argument::any(),
-        Argument::type('array'),
-        Argument::type('string')
-      )
-      ->willReturn('dummy_entity_link');
-    $link_manager
-      ->getRequestLink(Argument::any())
-      ->willReturn('dummy_document_link');
-    $this->container->set('jsonapi.link_manager', $link_manager->reveal());
-
     $this->nodeType = NodeType::load('article');
 
     $this->role = Role::create([