diff --git a/src/qanGroupItem.cpp b/src/qanGroupItem.cpp
index 3d0019ba..b06719b7 100644
--- a/src/qanGroupItem.cpp
+++ b/src/qanGroupItem.cpp
@@ -131,8 +131,7 @@ bool GroupItem::setDragPolicy(DragPolicy dragPolicy) noexcept
     }
     return false;
 }
-GroupItem::DragPolicy          GroupItem::getDragPolicy() noexcept { return _dragPolicy; }
-const GroupItem::DragPolicy    GroupItem::getDragPolicy() const noexcept { return _dragPolicy; }
+GroupItem::DragPolicy    GroupItem::getDragPolicy() const noexcept { return _dragPolicy; }
 
 void    GroupItem::groupMoved()
 {
diff --git a/src/qanGroupItem.h b/src/qanGroupItem.h
index 3c7f8f42..584ff799 100644
--- a/src/qanGroupItem.h
+++ b/src/qanGroupItem.h
@@ -137,9 +137,7 @@ class GroupItem : public qan::NodeItem
     //! \copydoc DragPolicy
     virtual bool        setDragPolicy(DragPolicy dragPolicy) noexcept;
     //! \copydoc DragPolicy
-    DragPolicy          getDragPolicy() noexcept;
-    //! \copydoc DragPolicy
-    const DragPolicy    getDragPolicy() const noexcept;
+    DragPolicy          getDragPolicy() const noexcept;
 protected:
     //! \copydoc DragPolicy
     DragPolicy  _dragPolicy = DragPolicy::Header;
diff --git a/src/qanNavigable.h b/src/qanNavigable.h
index e5ad9804..caf8435c 100644
--- a/src/qanNavigable.h
+++ b/src/qanNavigable.h
@@ -348,9 +348,9 @@ protected slots:
 
 protected:
     //! Called when the mouse is clicked in the container (base implementation empty).
-    virtual void    navigableClicked(QPointF pos, QPointF globalPos) { Q_UNUSED(pos); }
+    virtual void    navigableClicked(QPointF pos, QPointF globalPos) { Q_UNUSED(pos); Q_UNUSED(globalPos); }
     //! Called when the mouse is right clicked in the container (base implementation empty).
-    virtual void    navigableRightClicked(QPointF pos, QPointF globalPos) { Q_UNUSED(pos); }
+    virtual void    navigableRightClicked(QPointF pos, QPointF globalPos) { Q_UNUSED(pos); Q_UNUSED(globalPos); }
     //! Called when the container item is scaled (zoomed) or panned (base implementation empty).
     virtual void    navigableContainerItemModified() { }
 
diff --git a/src/qanTreeLayouts.cpp b/src/qanTreeLayouts.cpp
index 5c7c23a2..66fff3a1 100644
--- a/src/qanTreeLayouts.cpp
+++ b/src/qanTreeLayouts.cpp
@@ -209,8 +209,7 @@ bool    OrgTreeLayout::setLayoutOrientation(OrgTreeLayout::LayoutOrientation lay
     }
     return false;
 }
-OrgTreeLayout::LayoutOrientation        OrgTreeLayout::getLayoutOrientation() noexcept { return _layoutOrientation; }
-const OrgTreeLayout::LayoutOrientation  OrgTreeLayout::getLayoutOrientation() const noexcept { return _layoutOrientation; }
+OrgTreeLayout::LayoutOrientation  OrgTreeLayout::getLayoutOrientation() const noexcept { return _layoutOrientation; }
 
 
 void    OrgTreeLayout::layout(qan::Node& root, qreal xSpacing, qreal ySpacing) noexcept
diff --git a/src/qanTreeLayouts.h b/src/qanTreeLayouts.h
index bcc447e6..0a57d3d1 100644
--- a/src/qanTreeLayouts.h
+++ b/src/qanTreeLayouts.h
@@ -162,9 +162,7 @@ class OrgTreeLayout : public QObject
     //! \copydoc LayoutOrientation
     bool                    setLayoutOrientation(LayoutOrientation layoutOrientation) noexcept;
     //! \copydoc LayoutOrientation
-    LayoutOrientation       getLayoutOrientation() noexcept;
-    //! \copydoc LayoutOrientation
-    const LayoutOrientation getLayoutOrientation() const noexcept;
+    LayoutOrientation       getLayoutOrientation() const noexcept;
 protected:
     //! \copydoc LayoutOrientation
     LayoutOrientation       _layoutOrientation = LayoutOrientation::Vertical;
@@ -195,4 +193,3 @@ class OrgTreeLayout : public QObject
 } // ::qan
 
 QML_DECLARE_TYPE(qan::OrgTreeLayout)
-