diff --git a/core/modules/contact/lib/Drupal/contact/Entity/Message.php b/core/modules/contact/lib/Drupal/contact/Entity/Message.php
index dbf529a..fc8c074 100644
--- a/core/modules/contact/lib/Drupal/contact/Entity/Message.php
+++ b/core/modules/contact/lib/Drupal/contact/Entity/Message.php
@@ -159,7 +159,6 @@ public static function baseFieldDefinitions($entity_type) {
       ->setLabel(t('Subject'))
       ->setRequired(TRUE)
       ->setSettings(array(
-        'default_value' => '',
         'max_length' => 100,
         'text_processing' => 0,
       ))
@@ -174,7 +173,6 @@ public static function baseFieldDefinitions($entity_type) {
       ->setLabel(t('Message'))
       ->setRequired(TRUE)
       ->setSettings(array(
-        'default_value' => '',
         'text_processing' => 0,
       ))
       ->setDisplayOptions('form', array(