1 files changed, 2 insertions, 2 deletions
diff --git a/examples/widgets/itemviews/editabletreemodel/mainwindow.h b/examples/widgets/itemviews/editabletreemodel/mainwindow.h
index 4626ecbc2a..4c164f88c1 100644
--- a/examples/widgets/itemviews/editabletreemodel/mainwindow.h
+++ b/examples/widgets/itemviews/editabletreemodel/mainwindow.h
@@ -58,9 +58,9 @@ public slots:
 
 private slots:
     void insertChild();
-    bool insertColumn(const QModelIndex &parent = QModelIndex());
+    bool insertColumn();
     void insertRow();
-    bool removeColumn(const QModelIndex &parent = QModelIndex());
+    bool removeColumn();
     void removeRow();
 };