diff --git a/core/modules/link/config/schema/link.schema.yml b/core/modules/link/config/schema/link.schema.yml
index 9030331..aa7226a 100644
--- a/core/modules/link/config/schema/link.schema.yml
+++ b/core/modules/link/config/schema/link.schema.yml
@@ -79,3 +79,8 @@ field.value.link:
         https:
           type: boolean
           label: 'If the Url should use a secure protocol'
+        attributes:
+          type: sequence
+          label: 'Link attributes'
+          sequence:
+            - type: string
diff --git a/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/CckLink.php b/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/CckLink.php
index 4cb59f0..d2ecd4b 100644
--- a/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/CckLink.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/CckLink.php
@@ -32,8 +32,6 @@ public function transform($value, MigrateExecutable $migrate_executable, Row $ro
 
     // Massage the values into the correct form for the link.
     $route['options']['attributes'] = $attributes;
-    // External links do not have a route name.
-    $route['options']['external'] = empty($route['route_name']);
     $route['title'] = $title;
     return $route;
   }
diff --git a/core/modules/migrate_drupal/src/Tests/d6/MigrateCckFieldValuesTest.php b/core/modules/migrate_drupal/src/Tests/d6/MigrateCckFieldValuesTest.php
index 7920277..ffbead0 100644
--- a/core/modules/migrate_drupal/src/Tests/d6/MigrateCckFieldValuesTest.php
+++ b/core/modules/migrate_drupal/src/Tests/d6/MigrateCckFieldValuesTest.php
@@ -159,7 +159,6 @@ public function testCckFields() {
     $this->assertIdentical($node->field_test_link->title, 'Drupal project page');
     $this->assertIdentical($node->field_test_link->route_parameters, []);
     $this->assertIdentical($node->field_test_link->options['attributes'], ['target' => '_blank']);
-    $this->assertIdentical($node->field_test_link->options['external'], TRUE);
 
     $planet_node = Node::load(3);
     $this->assertEqual($planet_node->field_multivalue->value, 33);