diff --git a/core/modules/field/field.services.yml b/core/modules/field/field.services.yml
index 4fc8d29..897d564 100644
--- a/core/modules/field/field.services.yml
+++ b/core/modules/field/field.services.yml
@@ -2,4 +2,8 @@ services:
   field.info:
     class: Drupal\field\FieldInfo
     arguments: ['@cache.default', '@config.factory', '@module_handler', '@plugin.manager.field.field_type', '@language_manager']
-
+  field.config_subscriber:
+    class: Drupal\field\FieldConfigSubscriber
+    arguments: ['@string_translation']
+    tags:
+      - { name: event_subscriber }
diff --git a/core/modules/field/lib/Drupal/field/FieldConfigSubscriber.php b/core/modules/field/lib/Drupal/field/FieldConfigSubscriber.php
new file mode 100644
index 0000000..39b6bd6
--- /dev/null
+++ b/core/modules/field/lib/Drupal/field/FieldConfigSubscriber.php
@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\field\FieldConfigSubscriber.
+ */
+
+namespace Drupal\field;
+
+use Drupal\Core\Config\ConfigEvents;
+use Drupal\Core\Config\ConfigImporterEvent;
+use Drupal\Core\Config\ConfigImporterException;
+use Drupal\Core\Config\Entity\ConfigEntityStorage;
+use Drupal\Core\Config\StorageDispatcher;
+use Drupal\Core\StringTranslation\TranslationInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Field Config subscriber.
+ */
+class FieldConfigSubscriber implements EventSubscriberInterface {
+
+  /**
+   * The translation manager.
+   *
+   * @var \Drupal\Core\StringTranslation\TranslationInterface
+   */
+  protected $translationManager;
+
+  public function __construct(TranslationInterface $translation_manager) {
+    $this->translationManager = $translation_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  static function getSubscribedEvents() {
+    $events[ConfigEvents::IMPORT_VALIDATE][] = array('onConfigImporterValidate', 20);
+    return $events;
+  }
+
+  /**
+   * Checks that the field deletions and module uninstallations are compatible.
+   *
+   * @param ConfigImporterEvent $event
+   *   The config import event.
+   *
+   * @throws \Drupal\Core\Config\ConfigImporterException
+   *   Exception thrown if a field is being deleted and the module that provides
+   *   it is also being uninstalled. Additionally the exception is thrown if
+   *   deleted fields exist on the target site that are provided by modules
+   *   scheduled for uninstallation.
+   */
+  public function onConfigImporterValidate(ConfigImporterEvent $event) {
+    $deletes = $event->getConfigImporter()->getUnprocessedConfiguration('delete');
+    $staged_extensions = $event->getConfigImporter()->getStorageComparer()->getSourceStorage()->read('core.extension');
+    foreach ($deletes as $config_name) {
+      if (strpos($config_name, 'field.field.') === 0) {
+        // A field instance is being deleted. We have to ensure that the module
+        // that provides it is not also being uninstalled.
+        $id = ConfigEntityStorage::getIDFromConfigName($config_name, 'field.field');
+        /** @var \Drupal\field\Entity\FieldConfig $field */
+        $field = entity_load('field_config', $id);
+        if (!isset($staged_extensions['module'][$field->module])) {
+          throw new ConfigImporterException($this->translationManager->translate('This import is deleting field that has data and uninstalling the module that provides the field, so has been rejected.'));
+        }
+      }
+    }
+
+    // Ensure no modules that provide deleted fields are being uninstalled.
+    $fields = entity_load_multiple_by_properties('field_config', array('deleted' => TRUE, 'include_deleted' => TRUE));
+    foreach($fields as $field) {
+      if (!isset($staged_extensions['module'][$field->module])) {
+        throw new ConfigImporterException($this->translationManager->translate('This import is uninstalling the @module module which provides deleted fields, you need to purge the data first.', array('@module' => $field->module)));
+      }
+    }
+  }
+}
diff --git a/core/modules/field/lib/Drupal/field/Tests/FieldImportDeleteUninstallTest.php b/core/modules/field/lib/Drupal/field/Tests/FieldImportDeleteUninstallTest.php
new file mode 100644
index 0000000..e4509ae
--- /dev/null
+++ b/core/modules/field/lib/Drupal/field/Tests/FieldImportDeleteUninstallTest.php
@@ -0,0 +1,133 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\field\Tests\FieldImportDeleteUninstallTest.
+ */
+
+namespace Drupal\field\Tests;
+
+use Drupal\Core\Config\ConfigImporterException;
+
+/**
+ * Tests config sync of deleting fields and instances and uninstalling modules.
+ *
+ * @see \Drupal\field\FieldConfigSubscriber::onConfigImporterValidate()
+ */
+class FieldImportDeleteUninstallTest extends FieldUnitTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('telephone');
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Field config delete and uninstall tests',
+      'description' => 'Delete field and instances during config synchronsiaton and uninstall module that provides the field type.',
+      'group' => 'Field API',
+    );
+  }
+
+  public function setUp() {
+    parent::setUp();
+    // Module uninstall requires the router and users_data tables.
+    // @see drupal_flush_all_caches()
+    // @see user_modules_uninstalled()
+    $this->installSchema('system', array('router'));
+    $this->installSchema('user', array('users_data'));
+  }
+
+  /**
+   * Tests deleting fields and instances as part of config import.
+   */
+  public function testImportDeleteUninstall() {
+    // Create a telephone field and instance for validation.
+    $field = entity_create('field_config', array(
+      'name' => 'field_test',
+      'entity_type' => 'entity_test',
+      'type' => 'telephone',
+    ));
+    $field->save();
+    $field_uuid = $field->uuid();
+    entity_create('field_instance_config', array(
+      'entity_type' => 'entity_test',
+      'field_name' => 'field_test',
+      'bundle' => 'entity_test',
+    ))->save();
+
+    $entity = entity_create('entity_test');
+    $value = '+0123456789';
+    $entity->field_test = $value;
+    $entity->name->value = $this->randomName();
+    $entity->save();
+
+    // Verify entity has been created properly.
+    $id = $entity->id();
+    $entity = entity_load('entity_test', $id);
+    $this->assertEqual($entity->field_test->value, $value);
+    $this->assertEqual($entity->field_test[0]->value, $value);
+
+    $active = $this->container->get('config.storage');
+    $staging = $this->container->get('config.storage.staging');
+    $this->copyConfig($active, $staging);
+
+    // Stage uninstall of the Telephone module.
+    $core_extension = \Drupal::config('core.extension')->get();
+    unset($core_extension['module']['telephone']);
+    $staging->write('core.extension', $core_extension);
+
+    // Stage the field deletion
+    $staging->delete('field.field.entity_test.field_test');
+    $staging->delete('field.instance.entity_test.entity_test.field_test');
+
+    try {
+      $this->configImporter()->import();
+      $this->fail('Expected ConfigImporterException not thrown from \Drupal\field\FieldConfigSubscriber::onConfigImporterValidate()');
+    }
+    catch (ConfigImporterException $e) {
+      $this->pass('Expected ConfigImporterException not thrown from \Drupal\field\FieldConfigSubscriber::onConfigImporterValidate()');
+      $this->assertEqual($e->getMessage(), 'This import is deleting field that has data and uninstalling the module that provides the field, so has been rejected.');
+    }
+
+    // Unstage uninstall of the Telephone module.
+    $core_extension = \Drupal::config('core.extension')->get();
+    $staging->write('core.extension', $core_extension);
+
+    // This will delete the field and the field instance.
+    $this->configImporter()->import();
+
+    // Check that the field definition is preserved in state.
+    $deleted_fields = \Drupal::state()->get('field.field.deleted') ?: array();
+    $this->assertTrue(isset($deleted_fields[$field_uuid]), 'Deleted field is present in state.');
+
+    // Stage uninstall of the Telephone module.
+    $core_extension = \Drupal::config('core.extension')->get();
+    unset($core_extension['module']['telephone']);
+    $staging->write('core.extension', $core_extension);
+
+    try {
+      $this->configImporter()->import();
+      $this->fail('Expected ConfigImporterException not thrown from \Drupal\field\FieldConfigSubscriber::onConfigImporterValidate()');
+    }
+    catch (ConfigImporterException $e) {
+      $this->pass('Expected ConfigImporterException not thrown from \Drupal\field\FieldConfigSubscriber::onConfigImporterValidate()');
+      $this->assertEqual($e->getMessage(), 'This import is uninstalling the telephone module which provides deleted fields, you need to purge the data first.');
+    }
+
+    // Purge field data, and check that the field definition has been completely
+    // removed once the data is purged.
+    $this->assertTrue(\Drupal::moduleHandler()->moduleExists('telephone'));
+    // Need to call field_purge_batch twice. oNce to purge the data and the
+    // second time to actually delete the delete instance and field.
+    field_purge_batch(10);
+    field_purge_batch(10);
+    // This will uninstall the Telephone module.
+    $this->configImporter()->import();
+    $this->rebuildContainer();
+    $this->assertFalse(\Drupal::moduleHandler()->moduleExists('telephone'));
+  }
+
+}