diff --git a/core/modules/field/modules/email/lib/Drupal/email/Tests/EmailFieldTest.php b/core/modules/field/modules/email/lib/Drupal/email/Tests/EmailFieldTest.php
index 90fe601..932708e 100644
--- a/core/modules/field/modules/email/lib/Drupal/email/Tests/EmailFieldTest.php
+++ b/core/modules/field/modules/email/lib/Drupal/email/Tests/EmailFieldTest.php
@@ -61,16 +61,6 @@ class EmailFieldTest extends WebTestBase {
         'full' => array(
           'type' => 'email_mailto',
         ),
-        // This is needed so that field_write_instance() does not try to assign
-        // 'text_default' to the 'default' view mode, which would issue a
-        // warning. This formatter is made available for email fields through
-        // hook_field_formatter_info_alter(), which only runs within
-        // HookDiscovery for now, while 'text_default' is now
-        // exposed through annotations.
-        // @todo Remove when http://drupal.org/node/1705702 is fixed.
-        'default' => array(
-          'type' => 'email_mailto',
-        ),
       ),
     );
     field_create_instance($this->instance);