diff --git a/src/Form/FillPdfAdminFormBase.php b/src/Form/FillPdfAdminFormBase.php
deleted file mode 100644
index 59d59ca77b9cca4f8e6f6a72c73306c2757c6341..0000000000000000000000000000000000000000
--- a/src/Form/FillPdfAdminFormBase.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-namespace Drupal\fillpdf\Form;
-
-use Drupal\Core\Form\FormBase;
-
-@trigger_error('FillPdfAdminFormBase is deprecated in fillpdf:8.x-4.7 and is removed from fillpdf:8.x-5.0. Use \Drupal\Core\Form\FormBase instead. See https://www.drupal.org/project/fillpdf/issues/3044743', E_USER_DEPRECATED);
-
-/**
- * Base class for administrative forms.
- *
- * @package Drupal\fillpdf\Form
- *
- * @deprecated in fillpdf:8.x-4.7 and is removed from fillpdf:8.x-5.0. Use
- *   FormBase instead.
- * @see https://www.drupal.org/project/fillpdf/issues/3044743
- * @see \Drupal\Core\Form\FormBase
- */
-abstract class FillPdfAdminFormBase extends FormBase {
-
-  /**
-   * FillPdfAdminFormBase constructor.
-   */
-  public function __construct() {
-
-  }
-
-}