diff --git a/Plugins/org.mitk.gui.qt.mxnmultiwidgeteditor/src/QmitkMxNMultiWidgetEditor.h b/Plugins/org.mitk.gui.qt.mxnmultiwidgeteditor/src/QmitkMxNMultiWidgetEditor.h
index a0bfedfdbb..2e1b902fc4 100644
--- a/Plugins/org.mitk.gui.qt.mxnmultiwidgeteditor/src/QmitkMxNMultiWidgetEditor.h
+++ b/Plugins/org.mitk.gui.qt.mxnmultiwidgeteditor/src/QmitkMxNMultiWidgetEditor.h
@@ -1,60 +1,60 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef QMITKMXNMULTIWIDGETEDITOR_H
 #define QMITKMXNMULTIWIDGETEDITOR_H
 
 #include <org_mitk_gui_qt_mxnmultiwidgeteditor_Export.h>
 
 #include <QmitkAbstractMultiWidgetEditor.h>
 
 // c++
 #include <memory>
 
 class QmitkMxNMultiWidget;
 
 class MXNMULTIWIDGETEDITOR_EXPORT QmitkMxNMultiWidgetEditor final : public QmitkAbstractMultiWidgetEditor
 {
   Q_OBJECT
 
 public:
 
   static const QString EDITOR_ID;
 
   QmitkMxNMultiWidgetEditor();
   ~QmitkMxNMultiWidgetEditor() override;
 
   virtual QmitkLevelWindowWidget* GetLevelWindowWidget() const override { return nullptr; }
 
-  void OnLayoutSet(int row, int column);
-  void OnInteractionSchemeChanged(mitk::InteractionSchemeSwitcher::InteractionScheme scheme);
+  void OnLayoutSet(int row, int column) override;
+  void OnInteractionSchemeChanged(mitk::InteractionSchemeSwitcher::InteractionScheme scheme) override;
 
 private:
   /**
   * @brief Overridden from QmitkAbstractRenderEditor
   */
   void SetFocus() override;
   /**
   * @brief Overridden from QmitkAbstractRenderEditor
   */
   void CreateQtPartControl(QWidget* parent) override;
   /**
   * @brief Overridden from QmitkAbstractRenderEditor
   */
   void OnPreferencesChanged(const berry::IBerryPreferences* preferences) override;
 
   struct Impl;
   std::unique_ptr<Impl> m_Impl;
 
 };
 
 #endif // QMITKMXNMULTIWIDGETEDITOR_H
diff --git a/Plugins/org.mitk.gui.qt.stdmultiwidgeteditor/src/QmitkStdMultiWidgetEditor.h b/Plugins/org.mitk.gui.qt.stdmultiwidgeteditor/src/QmitkStdMultiWidgetEditor.h
index 044114fbda..d63c876a90 100644
--- a/Plugins/org.mitk.gui.qt.stdmultiwidgeteditor/src/QmitkStdMultiWidgetEditor.h
+++ b/Plugins/org.mitk.gui.qt.stdmultiwidgeteditor/src/QmitkStdMultiWidgetEditor.h
@@ -1,125 +1,125 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef QMITKSTDMULTIWIDGETEDITOR_H
 #define QMITKSTDMULTIWIDGETEDITOR_H
 
 // mitk gui qt common plugin
 #include <QmitkAbstractMultiWidgetEditor.h>
 
 #include <mitkILinkedRenderWindowPart.h>
 
 #include <org_mitk_gui_qt_stdmultiwidgeteditor_Export.h>
 
 // c++
 #include <memory>
 
 class QmitkStdMultiWidget;
 class QmitkStdMultiWidgetEditorPrivate;
 
 /**
  * @brief
  */
 class ORG_MITK_GUI_QT_STDMULTIWIDGETEDITOR QmitkStdMultiWidgetEditor final : public QmitkAbstractMultiWidgetEditor,
                                                                              public mitk::ILinkedRenderWindowPart
 {
   Q_OBJECT
 
 public:
 
   static const QString EDITOR_ID;
 
   QmitkStdMultiWidgetEditor();
   virtual ~QmitkStdMultiWidgetEditor() override;
 
   virtual QmitkLevelWindowWidget* GetLevelWindowWidget() const override;
   /**
   * @brief Overridden from mitk::ILinkedRenderWindowPart
   */
   virtual void EnableSlicingPlanes(bool enable) override;
   /**
   * @brief Overridden from mitk::ILinkedRenderWindowPart
   */
   virtual bool IsSlicingPlanesEnabled() const override;
   /**
   * @brief Overridden from berry::IPartListener
   */
   virtual berry::IPartListener::Events::Types GetPartEventTypes() const override;
   /**
   * @brief Overridden from berry::IPartListener
   */
   virtual void PartClosed(const berry::IWorkbenchPartReference::Pointer& partRef) override;
   /**
   * @brief Overridden from berry::IPartListener
   */
   virtual void PartOpened(const berry::IWorkbenchPartReference::Pointer& partRef) override;
   /**
   * @brief Overridden from berry::IPartListener
   */
   virtual void PartHidden(const berry::IWorkbenchPartReference::Pointer& partRef) override;
   /**
   * @brief Overridden from berry::IPartListener
   */
   virtual void PartVisible(const berry::IWorkbenchPartReference::Pointer& partRef) override;
 
-  void OnInteractionSchemeChanged(mitk::InteractionSchemeSwitcher::InteractionScheme scheme);
+  void OnInteractionSchemeChanged(mitk::InteractionSchemeSwitcher::InteractionScheme scheme) override;
 
   void ShowLevelWindowWidget(bool show);
 
 private:
   /**
   * @brief Overridden from QmitkAbstractRenderEditor
   */
   virtual void SetFocus() override;
   /**
   * @brief Overridden from QmitkAbstractRenderEditor
   */
   virtual void CreateQtPartControl(QWidget* parent) override;
   /**
   * @brief Overridden from QmitkAbstractRenderEditor
   */
   virtual void OnPreferencesChanged(const berry::IBerryPreferences* preferences) override;
   /**
   * @brief InitializePreferences Internal helper method to set default preferences.
   * This method is used to show the current preferences in the first call of
   * the preference page (the GUI).
   *
   * @param preferences berry preferences.
   */
   void InitializePreferences(berry::IBerryPreferences *preferences);
   /**
    * @brief GetPreferenceDecorations Getter to fill internal members with values of preferences.
    * @param preferences The berry preferences.
    *
    * If a preference is set, the value will overwrite the current value. If it does not exist,
    * the value will not change.
    */
   void GetPreferenceDecorations(const berry::IBerryPreferences *preferences);
   /**
    * @brief GetColorForWidget helper method to convert a saved color string to mitk::Color.
    * @param hexColor color in hex format (#12356) where each digit is in the form (0-F).
    * @return the color in mitk format.
    */
   mitk::Color HexColorToMitkColor(const QString& hexColor);
   /**
    * @brief MitkColorToHex Convert an mitk::Color to hex string.
    * @param color mitk format.
    * @return String in hex (#RRGGBB).
    */
   QString MitkColorToHex(const mitk::Color& color);
 
   struct Impl;
   std::unique_ptr<Impl> m_Impl;
 
 };
 
 #endif // QMITKSTDMULTIWIDGETEDITOR_H