diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -204,7 +204,6 @@
 macro(add_resource_iface _kcfgFile _ifaceName _className)
   kcfg_generate_dbus_interface(${CMAKE_CURRENT_SOURCE_DIR}/${_kcfgFile} ${_ifaceName})
   string(TOLOWER ${_className} _codeFile)
-  set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_ifaceName}.xml PROPERTIES INCLUDE "MailCommon/MetaType")
   qt5_add_dbus_interface(libmailcommon_SRCS
     ${CMAKE_CURRENT_BINARY_DIR}/${_ifaceName}.xml ${_codeFile} ${_className}
   )
@@ -277,7 +276,6 @@
   HEADER_NAMES
   CryptoUtils
   MailUtil
-  MetaType
   ResourceReadConfigFile
   REQUIRED_HEADERS MailCommon_HEADERS
   PREFIX MailCommon
diff --git a/src/util/metatype.h b/src/util/metatype.h
deleted file mode 100644
--- a/src/util/metatype.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-  Copyright 2009 Thomas McGuire <mcguire@kde.org>
-
-  This library is free software; you can redistribute it and/or modify
-  it under the terms of the GNU Library General Public License as published
-  by the Free Software Foundation; either version 2 of the License or
-  ( at your option ) version 3 or, at the discretion of KDE e.V.
-  ( which shall act as a proxy as in section 14 of the GPLv3 ), any later version.
-
-  This library is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  Library General Public License for more details.
-
-  You should have received a copy of the GNU Library General Public License
-  along with this library; see the file COPYING.LIB.  If not, write to
-  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
-*/
-#ifndef MAILCOMMON_METATYPE_H
-#define MAILCOMMON_METATYPE_H
-
-#include <QList>
-
-Q_DECLARE_METATYPE(QList<int>)
-
-#endif