diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringLongItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringLongItem.php
index 63964de..c8b1575 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringLongItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringLongItem.php
@@ -30,8 +30,6 @@ public static function schema(FieldDefinitionInterface $field_definition) {
         'value' => array(
           'type' => 'text',
           'size' => 'big',
-          'not null' => TRUE,
-          'default' => '',
         ),
       ),
     );