diff --git a/addons/externaltools/kateexternaltool.h b/addons/externaltools/kateexternaltool.h
index d1bba08f9..b8bf896d1 100644
--- a/addons/externaltools/kateexternaltool.h
+++ b/addons/externaltools/kateexternaltool.h
@@ -1,123 +1,120 @@
 /* This file is part of the KDE project
  *
  *  Copyright 2019 Dominik Haumann <dhaumann@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) 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 KTEXTEDITOR_KATE_EXTERNALTOOL_H
 #define KTEXTEDITOR_KATE_EXTERNALTOOL_H
 
-#include <QObject>
+#include <QMetaType>
 #include <QString>
 #include <QStringList>
 
 class KConfigGroup;
 
 /**
  * This class defines a single external tool.
  */
 class KateExternalTool
 {
-    Q_GADGET
-
 public:
     /**
      * Defines whether any document should be saved before running the tool.
      */
     enum class SaveMode {
         //! Do not save any document.
         None,
         //! Save current document.
         CurrentDocument,
         //! Save all documents
         AllDocuments
     };
-    Q_ENUM(SaveMode)
 
     /**
      * Defines where to redirect stdout from the tool.
      */
     //     enum class OutputMode {
     //         Ignore,
     //         InsertAtCursor,
     //         ReplaceSelectedText,
     //         AppendToCurrentDocument,
     //         InsertInNewDocument,
     //         DisplayInPane
     //     }
     //     Q_ENUM(OutputMode)
 
 public:
     /// The category used in the menu to categorize the tool.
     QString category;
     /// The name used in the menu.
     QString name;
     /// the icon to use in the menu.
     QString icon;
     /// The name or path of the executable.
     QString executable;
     /// The command line arguments.
     QString arguments;
     /// The stdin input.
     QString input;
     /// The working directory, if specified.
     QString workingDir;
     /// Optional list of mimetypes for which this action is valid.
     QStringList mimetypes;
     /// This is set by the constructor by calling checkExec(), if a
     /// value is present.
     bool hasexec = false;
     /// The name for the action. This is generated first time the
     /// action is is created.
     QString actionName;
     /// The name for the commandline.
     QString cmdname;
     /// Possibly save documents prior to activating the tool command.
     SaveMode saveMode = SaveMode::None;
 
     /// Possibly redirect the stdout output of the tool.
     // OutputMode outputMode;
     /// Include stderr output when running the tool.
     bool includeStderr = false;
 
     /**
      * @return true if mimetypes is empty, or the @p mimetype matches.
      */
     bool matchesMimetype(const QString& mimetype) const;
 
     /**
      * @return true if "executable" exists and has the executable bit set, or is
      * empty.
      * This is run at least once, and the tool is disabled if it fails.
      */
     bool checkExec() const;
 
     /**
      * Load tool data from the config group @p cg.
      */
     void load(const KConfigGroup& cg);
 
     /**
      * Save tool data to the config group @p cg.
      */
     void save(KConfigGroup& cg);
 };
 
 Q_DECLARE_METATYPE(KateExternalTool*)
 
 #endif // KTEXTEDITOR_KATE_EXTERNALTOOL_H
 
 // kate: space-indent on; indent-width 4; replace-tabs on;