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diff --git a/web/core/modules/content_translation/src/Access/ContentTranslationDeleteAccess.php b/web/core/modules/content_translation/src/Access/ContentTranslationDeleteAccess.php
new file mode 100644
index 000000000..5f1933714
--- /dev/null
+++ b/web/core/modules/content_translation/src/Access/ContentTranslationDeleteAccess.php
@@ -0,0 +1,124 @@
+<?php
+
+namespace Drupal\content_translation\Access;
+
+use Drupal\content_translation\ContentTranslationManager;
+use Drupal\content_translation\ContentTranslationManagerInterface;
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Entity\ContentEntityInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Routing\Access\AccessInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\language\Entity\ContentLanguageSettings;
+use Drupal\workflows\Entity\Workflow;
+
+/**
+ * Access check for entity translation deletion.
+ *
+ * @internal This additional access checker only aims to prevent deletions in
+ *   pending revisions until we are able to flag revision translations as
+ *   deleted.
+ *
+ * @todo Remove this in https://www.drupal.org/node/2945956.
+ */
+class ContentTranslationDeleteAccess implements AccessInterface {
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * The content translation manager.
+   *
+   * @var \Drupal\content_translation\ContentTranslationManagerInterface
+   */
+  protected $contentTranslationManager;
+
+  /**
+   * Constructs a ContentTranslationDeleteAccess object.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $manager
+   *   The entity type manager.
+   * @param \Drupal\content_translation\ContentTranslationManagerInterface $content_translation_manager
+   *   The content translation manager.
+   */
+  public function __construct(EntityTypeManagerInterface $manager, ContentTranslationManagerInterface $content_translation_manager) {
+    $this->entityTypeManager = $manager;
+    $this->contentTranslationManager = $content_translation_manager;
+  }
+
+  /**
+   * Checks access to translation deletion for the specified route match.
+   *
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The parameterized route.
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The currently logged in account.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(RouteMatchInterface $route_match, AccountInterface $account) {
+    $requirement = $route_match->getRouteObject()->getRequirement('_access_content_translation_delete');
+    $entity_type_id = current(explode('.', $requirement));
+    $entity = $route_match->getParameter($entity_type_id);
+    return $this->checkAccess($entity);
+  }
+
+  /**
+   * Checks access to translation deletion for the specified entity.
+   *
+   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
+   *   The entity translation to be deleted.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function checkAccess(ContentEntityInterface $entity) {
+    $result = AccessResult::allowed();
+
+    $entity_type_id = $entity->getEntityTypeId();
+    $result->addCacheableDependency($entity);
+    // Add the cache dependencies used by
+    // ContentTranslationManager::isPendingRevisionSupportEnabled().
+    if (\Drupal::moduleHandler()->moduleExists('content_moderation')) {
+      foreach (Workflow::loadMultipleByType('content_moderation') as $workflow) {
+        $result->addCacheableDependency($workflow);
+      }
+    }
+    if (!ContentTranslationManager::isPendingRevisionSupportEnabled($entity_type_id, $entity->bundle())) {
+      return $result;
+    }
+
+    if ($entity->isDefaultTranslation()) {
+      return $result;
+    }
+
+    $config = ContentLanguageSettings::load($entity_type_id . '.' . $entity->bundle());
+    $result->addCacheableDependency($config);
+    if (!$this->contentTranslationManager->isEnabled($entity_type_id, $entity->bundle())) {
+      return $result;
+    }
+
+    /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
+    $storage = $this->entityTypeManager->getStorage($entity_type_id);
+    $revision_id = $storage->getLatestTranslationAffectedRevisionId($entity->id(), $entity->language()->getId());
+    if (!$revision_id) {
+      return $result;
+    }
+
+    /** @var \Drupal\Core\Entity\ContentEntityInterface $revision */
+    $revision = $storage->loadRevision($revision_id);
+    if ($revision->wasDefaultRevision()) {
+      return $result;
+    }
+
+    $result = $result->andIf(AccessResult::forbidden());
+    return $result;
+  }
+
+}