diff --git a/Configuration/FlexForms/FlexformPi1.xml b/Configuration/FlexForms/FlexformPi1.xml
index 2e599d4b0..c8b651a1b 100644
--- a/Configuration/FlexForms/FlexformPi1.xml
+++ b/Configuration/FlexForms/FlexformPi1.xml
@@ -60,7 +60,6 @@
 						<label>LLL:EXT:powermail/Resources/Private/Language/locallang_db.xlf:flexform.main.pid</label>
 						<config>
 							<type>group</type>
-							<internal_type>db</internal_type>
 							<allowed>pages</allowed>
 							<size>1</size>
 							<maxitems>1</maxitems>
diff --git a/Configuration/TCA/tx_powermail_domain_model_form.php b/Configuration/TCA/tx_powermail_domain_model_form.php
index 1d50d22e1..644faeb57 100644
--- a/Configuration/TCA/tx_powermail_domain_model_form.php
+++ b/Configuration/TCA/tx_powermail_domain_model_form.php
@@ -193,7 +193,6 @@
         'label' => 'LLL:EXT:powermail/Resources/Private/Language/locallang_db.xlf:' . Form::TABLE_NAME . '.pages',
         'config' => [
             'type' => 'group',
-            'internal_type' => 'db',
             'allowed' => Page::TABLE_NAME,
             'foreign_table' => Page::TABLE_NAME,
             'minitems' => 1,