diff --git a/src/plugins/coreplugin/dialogs/newdialog.cpp b/src/plugins/coreplugin/dialogs/newdialog.cpp
index 45fe813a979..cdfff0d9892 100644
--- a/src/plugins/coreplugin/dialogs/newdialog.cpp
+++ b/src/plugins/coreplugin/dialogs/newdialog.cpp
@@ -79,7 +79,7 @@ public:
         invalidateFilter();
     }
 
-    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
+    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override
     {
         if (!sourceParent.isValid())
             return true;
@@ -101,18 +101,18 @@ class TwoLevelProxyModel : public QAbstractProxyModel
 public:
     TwoLevelProxyModel(QObject *parent = 0): QAbstractProxyModel(parent) {}
 
-    QModelIndex index(int row, int column, const QModelIndex &parent) const
+    QModelIndex index(int row, int column, const QModelIndex &parent) const override
     {
         QModelIndex ourModelIndex = sourceModel()->index(row, column, mapToSource(parent));
         return createIndex(row, column, ourModelIndex.internalPointer());
     }
 
-    QModelIndex parent(const QModelIndex &index) const
+    QModelIndex parent(const QModelIndex &index) const override
     {
         return mapFromSource(mapToSource(index).parent());
     }
 
-    int rowCount(const QModelIndex &index) const
+    int rowCount(const QModelIndex &index) const override
     {
         if (index.isValid() && index.parent().isValid() && !index.parent().parent().isValid())
             return 0;
@@ -120,19 +120,19 @@ public:
             return sourceModel()->rowCount(mapToSource(index));
     }
 
-    int columnCount(const QModelIndex &index) const
+    int columnCount(const QModelIndex &index) const override
     {
         return sourceModel()->columnCount(mapToSource(index));
     }
 
-    QModelIndex mapFromSource (const QModelIndex &index) const
+    QModelIndex mapFromSource (const QModelIndex &index) const override
     {
         if (!index.isValid())
             return QModelIndex();
         return createIndex(index.row(), index.column(), index.internalPointer());
     }
 
-    QModelIndex mapToSource (const QModelIndex &index) const
+    QModelIndex mapToSource (const QModelIndex &index) const override
     {
         if (!index.isValid())
             return QModelIndex();
@@ -148,7 +148,7 @@ public:
     FancyTopLevelDelegate(QObject *parent = 0)
         : QItemDelegate(parent) {}
 
-    void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const
+    void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const override
     {
         QStyleOptionViewItem newoption = option;
         if (!(option.state & QStyle::State_Enabled)) {
@@ -168,7 +168,7 @@ public:
         QItemDelegate::drawDisplay(painter, newoption, rect, text);
     }
 
-    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override
     {
         QSize size = QItemDelegate::sizeHint(option, index);