diff -u b/core/lib/Drupal/Core/Entity/ContentUninstallValidator.php b/core/lib/Drupal/Core/Entity/ContentUninstallValidator.php
--- b/core/lib/Drupal/Core/Entity/ContentUninstallValidator.php
+++ b/core/lib/Drupal/Core/Entity/ContentUninstallValidator.php
@@ -33,7 +33,7 @@
   public function validate($module) {
     $entities = $this->entityManager->getDefinitions();
     foreach ($entities as $entity_type) {
-      if ($module == $entity_type->getProvider() && is_subclass_of($entity_type->getClass(), 'Drupal\Core\Entity\ContentEntityInterface') && $entity_type->getDataTable()) {
+      if ($module == $entity_type->getProvider() && is_subclass_of($entity_type->getClass(), 'Drupal\Core\Entity\ContentEntityInterface') && $entity_type->getBaseTable()) {
         $content = $this->queryFactory->get($entity_type->id())
           ->accessCheck(FALSE)
           ->range(0, 1)