diff --git a/language/classmodel/classmodel.h b/language/classmodel/classmodel.h
index bd2a8a704a..193b7e4464 100644
--- a/language/classmodel/classmodel.h
+++ b/language/classmodel/classmodel.h
@@ -1,154 +1,154 @@
 /*
  * KDevelop Class Browser
  *
  * Copyright 2007-2008 Hamish Rodda <rodda@kde.org>
  * Copyright 2009 Lior Mualem <lior.m.kde@gmail.com>
  *
  * This program 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 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; if not, write to the
  * Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef KDEVPLATFORM_CLASSMODEL_H
 #define KDEVPLATFORM_CLASSMODEL_H
 
 #include <QtCore/QAbstractItemModel>
 #include "classmodelnode.h"
 
 #include <language/languageexport.h>
 
 class ClassBrowserPlugin;
 
 namespace KDevelop
 {
   class TopDUContext;
   class IDocument;
   class ParseJob;
   class DUContext;
   class IProject;
   class DUChainBase;
   class IndexedQualifiedIdentifier;
 }
 
 namespace ClassModelNodes
 {
   class Node;
   class FilteredAllClassesFolder;
   class FilteredProjectFolder;
   class FolderNode;
   class IdentifierNode;
 }
 
 /// The model interface accessible from the nodes.
 class NodesModelInterface
 {
 public:
   virtual ~NodesModelInterface();
 
 public:
   enum Feature {
       AllProjectsClasses = 0x1,
       BaseAndDerivedClasses = 0x2,
       ClassInternals = 0x4
   };
   Q_DECLARE_FLAGS(Features, Feature)
 
   virtual void nodesLayoutAboutToBeChanged(ClassModelNodes::Node* a_parent) = 0;
   virtual void nodesLayoutChanged(ClassModelNodes::Node* a_parent) = 0;
   virtual void nodesRemoved(ClassModelNodes::Node* a_parent, int a_first, int a_last) = 0;
   virtual void nodesAboutToBeAdded(ClassModelNodes::Node* a_parent, int a_pos, int a_size) = 0;
   virtual void nodesAdded(ClassModelNodes::Node* a_parent) = 0;
   virtual Features features() const = 0;
 };
 
 /**
  * @short A model that holds a convinient representation of the defined class in the project
  * 
  * This model doesn't have much code in it, it mostly acts as a glue between the different
  * nodes and the tree view.
  *
  * The nodes are defined in the namespace @ref ClassModelNodes
  */
 class KDEVPLATFORMLANGUAGE_EXPORT ClassModel : public QAbstractItemModel, public NodesModelInterface
 {
   Q_OBJECT
 public:
   ClassModel();
   virtual ~ClassModel();
 
 public:
   /// Retrieve the DU object related to the specified index.
   /// @note DUCHAINS READER LOCK MUST BE TAKEN!
   KDevelop::DUChainBase* duObjectForIndex(const QModelIndex& a_index);
 
   /// Call this to retrieve the index for the node associated with the specified id.
   QModelIndex getIndexForIdentifier(const KDevelop::IndexedQualifiedIdentifier& a_id);
 
   /// Return the model index associated with the given node.
   QModelIndex index(ClassModelNodes::Node* a_node) const;
 
   inline void setFeatures(NodesModelInterface::Features features);
-  virtual inline NodesModelInterface::Features features() const { return m_features; }
+  virtual inline NodesModelInterface::Features features() const override { return m_features; }
 
 public Q_SLOTS:
   /// Call this to update the filter string for the search results folder.
   void updateFilterString(QString a_newFilterString);
 
   /// removes the project-specific node
   void removeProjectNode(KDevelop::IProject* project);
   /// adds the project-specific node
   void addProjectNode(KDevelop::IProject* project);
 
 private: // NodesModelInterface overrides
   virtual void nodesLayoutAboutToBeChanged(ClassModelNodes::Node* a_parent) override;
   virtual void nodesLayoutChanged(ClassModelNodes::Node* a_parent) override;
   virtual void nodesRemoved(ClassModelNodes::Node* a_parent, int a_first, int a_last) override;
   virtual void nodesAboutToBeAdded(ClassModelNodes::Node* a_parent, int a_pos, int a_size) override;
   virtual void nodesAdded(ClassModelNodes::Node* a_parent) override;
 
 private:
   /// Main level node - it's usually invisible.
   ClassModelNodes::Node* m_topNode;
   ClassModelNodes::FilteredAllClassesFolder* m_allClassesNode;
   QMap<KDevelop::IProject*, ClassModelNodes::FilteredProjectFolder*> m_projectNodes;
   NodesModelInterface::Features m_features;
 
 public Q_SLOTS:
   /// This slot needs to be attached to collapsed signal in the tree view.
   void collapsed(const QModelIndex& index);
   /// This slot needs to be attached to expanded signal in the tree view.
   void expanded(const QModelIndex& index);
 
 public: // QAbstractItemModel overrides
   virtual QFlags< Qt::ItemFlag > flags(const QModelIndex&) const override;
   virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
   virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
   virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
   virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
 
   virtual bool hasChildren(const QModelIndex& parent = QModelIndex()) const override;
 
   virtual QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
   virtual QModelIndex parent(const QModelIndex& child) const override;
 };
 
 inline void ClassModel::setFeatures(Features features)
 { m_features = features; }
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(NodesModelInterface::Features)
 
 #endif
 
 // kate: space-indent on; indent-width 2; tab-width 4; replace-tabs on; auto-insert-doxygen on