diff --git a/src/aboutdata.h b/src/aboutdata.h
index 82573c6c6..624a82d15 100644
--- a/src/aboutdata.h
+++ b/src/aboutdata.h
@@ -1,25 +1,18 @@
 /*
     aboutdata.h
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2001, 2002, 2004 Klarälvdalens Datakonsult AB
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <KAboutData>
 
 class AboutData : public KAboutData
 {
 public:
     AboutData();
 };
-
-class AboutGpg4WinData : public KAboutData
-{
-public:
-    AboutGpg4WinData();
-};
-