diff --git a/src/core/settings_p.h b/src/core/settings_p.h
index ff52121..c632203 100644
--- a/src/core/settings_p.h
+++ b/src/core/settings_p.h
@@ -1,88 +1,91 @@
 /*
  *
  * Copyright (C)  2003  Zack Rusin <zack@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301  USA
  */
 #ifndef SONNET_SETTINGS_P_H
 #define SONNET_SETTINGS_P_H
 
 #include <QStringList>
 #include <QString>
 #include "sonnetcore_export.h"
 
 namespace Sonnet {
 class Loader;
 class SettingsPrivate;
 /**
  * Settings class
  */
 class SONNETCORE_EXPORT Settings
 {
 public:
     ~Settings();
 
+    Settings(const Settings &) = delete;
+    Settings &operator=(const Settings &) = delete;
+
     bool modified() const;
     void setModified(bool modified);
 
     bool setDefaultLanguage(const QString &lang);
     QString defaultLanguage() const;
 
     bool setPreferredLanguages(const QStringList &lang);
     QStringList preferredLanguages() const;
 
     bool setDefaultClient(const QString &client);
     QString defaultClient() const;
 
     bool setCheckUppercase(bool);
     bool checkUppercase() const;
 
     bool setAutodetectLanguage(bool);
     bool autodetectLanguage() const;
 
     bool setSkipRunTogether(bool);
     bool skipRunTogether() const;
 
     bool setBackgroundCheckerEnabled(bool);
     bool backgroundCheckerEnabled() const;
 
     bool setCheckerEnabledByDefault(bool);
     bool checkerEnabledByDefault() const;
 
     bool setCurrentIgnoreList(const QStringList &ignores);
     bool addWordToIgnore(const QString &word);
     QStringList currentIgnoreList() const;
     bool ignore(const QString &word);
 
     void save();
     void restore();
 
     int disablePercentageWordError() const;
     int disableWordErrorCount() const;
 
 private:
     void readIgnoreList();
     bool setQuietIgnoreList(const QStringList &ignores);
 
 private:
     friend class Loader;
     explicit Settings(Loader *loader);
 private:
     SettingsPrivate *const d;
 };
 }
 
 #endif // SONNET_SETTINGS_P_H