diff --git a/plugins/clazy/plugin.h b/plugins/clazy/plugin.h
index 68dc82c4e7..4834a473b6 100644
--- a/plugins/clazy/plugin.h
+++ b/plugins/clazy/plugin.h
@@ -1,91 +1,91 @@
 /* This file is part of KDevelop
 
    Copyright 2018 Anton Anikin <anton@anikin.xyz>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program 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
    General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #ifndef KDEVCLAZY_PLUGIN_H
 #define KDEVCLAZY_PLUGIN_H
 
 #include "job.h"
 
 #include <interfaces/iplugin.h>
 
 class KJob;
 
 namespace KDevelop { class IProject; }
 
 namespace Clazy
 {
 
 class ChecksDB;
 class ProblemModel;
 
 class Plugin : public KDevelop::IPlugin
 {
     Q_OBJECT
 
 public:
-    Plugin(QObject* parent, const QVariantList& = QVariantList());
+    explicit Plugin(QObject* parent, const QVariantList& = QVariantList());
     ~Plugin() override;
 
     int configPages() const override { return 1; }
     KDevelop::ConfigPage* configPage(int number, QWidget* parent) override;
 
     int perProjectConfigPages() const override { return 1; }
     KDevelop::ConfigPage* perProjectConfigPage(int number, const KDevelop::ProjectConfigOptions& options, QWidget* parent) override;
 
     KDevelop::ContextMenuExtension contextMenuExtension(KDevelop::Context* context, QWidget* parent) override;
 
     void runClazy(KDevelop::IProject* project, const QString& path);
     bool isRunning() const;
 
     QSharedPointer<const ChecksDB> checksDB() const;
 
 private:
     void killClazy();
 
     void raiseProblemsView();
     void raiseOutputView();
 
     void updateActions();
     void projectClosed(KDevelop::IProject* project);
 
     void runClazy(bool checkProject);
 
     void result(KJob* job);
 
     void reloadDB();
 
 private:
     Job* m_job;
 
     KDevelop::IProject* m_project;
     ProblemModel* m_model;
 
     QAction* m_menuActionFile;
     QAction* m_menuActionProject;
     QAction* m_contextActionFile;
     QAction* m_contextActionProject;
     QAction* m_contextActionProjectItem;
 
     QSharedPointer<ChecksDB> m_db;
 };
 
 }
 
 #endif