diff --git a/src/DefaultContentServiceProvider.php b/src/DefaultContentServiceProvider.php
deleted file mode 100644
index 60ee329..0000000
--- a/src/DefaultContentServiceProvider.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-namespace Drupal\default_content;
-
-use Drupal\Core\DependencyInjection\ContainerBuilder;
-use Drupal\Core\DependencyInjection\ServiceProviderBase;
-use Drupal\default_content\Normalizer\TermEntityNormalizer;
-use Symfony\Component\DependencyInjection\Definition;
-use Symfony\Component\DependencyInjection\Reference;
-
-/**
- * Adds customized normalizer to handle taxonomy hierarchy.
- */
-class DefaultContentServiceProvider extends ServiceProviderBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  public function alter(ContainerBuilder $container) {
-    $modules = $container->getParameter('container.modules');
-    // @todo Get rid of after https://www.drupal.org/node/2543726
-    if (isset($modules['taxonomy'])) {
-      // Add a normalizer service for term entities.
-      $service_definition = new Definition(TermEntityNormalizer::class, [
-        new Reference('hal.link_manager'),
-        new Reference('entity.manager'),
-        new Reference('module_handler'),
-      ]);
-      // The priority must be higher than that of
-      // serializer.normalizer.entity.hal in hal.services.yml.
-      $service_definition->addTag('normalizer', ['priority' => 30]);
-      $container->setDefinition('default_content.normalizer.taxonomy_term.halt', $service_definition);
-    }
-  }
-
-}
diff --git a/src/Normalizer/TermEntityNormalizer.php b/src/Normalizer/TermEntityNormalizer.php
deleted file mode 100644
index b3be84d..0000000
--- a/src/Normalizer/TermEntityNormalizer.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace Drupal\default_content\Normalizer;
-
-use Drupal\hal\Normalizer\ContentEntityNormalizer;
-
-/**
- * Defines a class for normalizing terms to ensure parent is stored.
- */
-class TermEntityNormalizer extends ContentEntityNormalizer {
-
-  /**
-   * {@inheritdoc}
-   */
-  protected $supportedInterfaceOrClass = 'Drupal\taxonomy\TermInterface';
-
-  /**
-   * The taxonomy term storage.
-   *
-   * @var \Drupal\taxonomy\TermStorageInterface
-   */
-  protected $termStorage;
-
-  /**
-   * {@inheritdoc}
-   */
-  public function normalize($entity, $format = NULL, array $context = []) {
-    if ($parents = $this->getTermStorage()->loadParents($entity->id())) {
-      $entity->parent->setValue(array_keys($parents));
-    }
-    return parent::normalize($entity, $format, $context);
-  }
-
-  /**
-   * Returns taxonomy term storage.
-   *
-   * Prevents circular reference when used with multiversion.
-   *
-   * @return \Drupal\taxonomy\TermStorageInterface
-   *   The taxonomy term storage.
-   */
-  protected function getTermStorage() {
-    if (!$this->termStorage) {
-      $this->termStorage = $this->entityManager->getStorage('taxonomy_term');
-    }
-    return $this->termStorage;
-  }
-
-}