diff --git a/typo3/sysext/frontend/Classes/AdminPanel/AdminPanelModuleInterface.php b/typo3/sysext/frontend/Classes/AdminPanel/AdminPanelModuleInterface.php
index 9e57b6774409131d01929185b3b3eac917351084..a6d2b2fe95c4eac53724fd0d95f74f4e5e434bf3 100644
--- a/typo3/sysext/frontend/Classes/AdminPanel/AdminPanelModuleInterface.php
+++ b/typo3/sysext/frontend/Classes/AdminPanel/AdminPanelModuleInterface.php
@@ -3,6 +3,19 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Frontend\AdminPanel;
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 /**
  * Interface for admin panel modules registered via EXTCONF
  *
diff --git a/typo3/sysext/frontend/Classes/AdminPanel/CacheModule.php b/typo3/sysext/frontend/Classes/AdminPanel/CacheModule.php
index 2e8326e33ca3c3dfb905c803797a755b71446732..ac3786960d08bbbb85259855a63e1f068862b3e0 100644
--- a/typo3/sysext/frontend/Classes/AdminPanel/CacheModule.php
+++ b/typo3/sysext/frontend/Classes/AdminPanel/CacheModule.php
@@ -3,6 +3,19 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Frontend\AdminPanel;
 
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
 class CacheModule extends AbstractModule
 {
     /**