diff --git a/AdvancedDockingSystem/include/ads/ContainerWidget.h b/AdvancedDockingSystem/include/ads/ContainerWidget.h
index a08cf54..00048ea 100644
--- a/AdvancedDockingSystem/include/ads/ContainerWidget.h
+++ b/AdvancedDockingSystem/include/ads/ContainerWidget.h
@@ -29,7 +29,6 @@ class InternalContentData;
 class ADS_EXPORT_API ContainerWidget : public QFrame
 {
 	Q_OBJECT
-	Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
 
 	friend class SectionContent;
 	friend class SectionWidget;
@@ -45,9 +44,6 @@ public:
 	// Public API
 	//
 
-	Qt::Orientation orientation() const;
-	void setOrientation(Qt::Orientation orientation);
-
 	/*!
 	 * Adds the section-content <em>sc</em> to this container-widget into the section-widget <em>sw</em>.
 	 * If <em>sw</em> is not NULL, the <em>area</em> is used to indicate how the content should be arranged.
diff --git a/AdvancedDockingSystem/include/ads/DropOverlay.h b/AdvancedDockingSystem/include/ads/DropOverlay.h
index 9754a95..dcdb495 100644
--- a/AdvancedDockingSystem/include/ads/DropOverlay.h
+++ b/AdvancedDockingSystem/include/ads/DropOverlay.h
@@ -12,8 +12,10 @@ class QGridLayout;
 ADS_NAMESPACE_BEGIN
 class DropOverlayCross;
 
-// DropOverlay paints a translucent rectangle over another widget.
-// It can also show different types of drop area indicators.
+/*!
+ * DropOverlay paints a translucent rectangle over another widget. The geometry
+ * of the rectangle is based on the mouse location.
+ */
 class DropOverlay : public QFrame
 {
 	Q_OBJECT
@@ -41,7 +43,7 @@ protected:
 
 private:
 	DropAreas _allowedAreas;
-	DropOverlayCross* _splitAreas;
+	DropOverlayCross* _cross;
 
 	bool _fullAreaDrop;
 	QPointer<QWidget> _target;
@@ -49,7 +51,7 @@ private:
 	DropArea _lastLocation;
 };
 
-// DropSplitAreas shows a cross with 5 different drop area possibilities.
+// DropOverlayCross shows a cross with 5 different drop area possibilities.
 class DropOverlayCross : public QWidget
 {
 	Q_OBJECT
diff --git a/AdvancedDockingSystem/src/ContainerWidget.cpp b/AdvancedDockingSystem/src/ContainerWidget.cpp
index 61cdd0f..8447292 100644
--- a/AdvancedDockingSystem/src/ContainerWidget.cpp
+++ b/AdvancedDockingSystem/src/ContainerWidget.cpp
@@ -67,20 +67,6 @@ ContainerWidget::~ContainerWidget()
 	_swLookupMapById.clear();
 }
 
-Qt::Orientation ContainerWidget::orientation() const
-{
-	return _orientation;
-}
-
-void ContainerWidget::setOrientation(Qt::Orientation orientation)
-{
-	if (_orientation != orientation)
-	{
-		_orientation = orientation;
-		emit orientationChanged();
-	}
-}
-
 SectionWidget* ContainerWidget::addSectionContent(const SectionContent::RefPtr& sc, SectionWidget* sw, DropArea area)
 {
 	if (!sw)
diff --git a/AdvancedDockingSystem/src/DropOverlay.cpp b/AdvancedDockingSystem/src/DropOverlay.cpp
index 8d270b1..701ea90 100644
--- a/AdvancedDockingSystem/src/DropOverlay.cpp
+++ b/AdvancedDockingSystem/src/DropOverlay.cpp
@@ -27,7 +27,7 @@ static QWidget* createDropWidget(const QString& img)
 DropOverlay::DropOverlay(QWidget* parent) :
 	QFrame(parent),
 	_allowedAreas(InvalidDropArea),
-	_splitAreas(new DropOverlayCross(this)),
+	_cross(new DropOverlayCross(this)),
 	_fullAreaDrop(false),
 	_lastLocation(InvalidDropArea)
 {
@@ -40,7 +40,7 @@ DropOverlay::DropOverlay(QWidget* parent) :
 	l->setSpacing(0);
 	setLayout(l);
 
-	_splitAreas->setVisible(false);
+	_cross->setVisible(false);
 	setVisible(false);
 }
 
@@ -54,9 +54,9 @@ void DropOverlay::setAllowedAreas(DropAreas areas)
 		return;
 	_allowedAreas = areas;
 
-	_splitAreas->reset();
-	_splitAreas->move(pos());
-	_splitAreas->resize(size());
+	_cross->reset();
+	_cross->move(pos());
+	_cross->resize(size());
 }
 
 DropAreas DropOverlay::allowedAreas() const
@@ -67,9 +67,9 @@ DropAreas DropOverlay::allowedAreas() const
 DropArea DropOverlay::cursorLocation() const
 {
 	DropArea loc = InvalidDropArea;
-	if (_splitAreas)
+	if (_cross)
 	{
-		loc = _splitAreas->cursorLocation();
+		loc = _cross->cursorLocation();
 	}
 	return loc;
 }
@@ -195,22 +195,22 @@ void DropOverlay::paintEvent(QPaintEvent*)
 
 void DropOverlay::showEvent(QShowEvent*)
 {
-	_splitAreas->show();
+	_cross->show();
 }
 
 void DropOverlay::hideEvent(QHideEvent*)
 {
-	_splitAreas->hide();
+	_cross->hide();
 }
 
 void DropOverlay::resizeEvent(QResizeEvent* e)
 {
-	_splitAreas->resize(e->size());
+	_cross->resize(e->size());
 }
 
 void DropOverlay::moveEvent(QMoveEvent* e)
 {
-	_splitAreas->move(e->pos());
+	_cross->move(e->pos());
 }
 
 ///////////////////////////////////////////////////////////////////////
diff --git a/AdvancedDockingSystemDemo/src/mainwindow.cpp b/AdvancedDockingSystemDemo/src/mainwindow.cpp
index 95fdb83..56b0b29 100644
--- a/AdvancedDockingSystemDemo/src/mainwindow.cpp
+++ b/AdvancedDockingSystemDemo/src/mainwindow.cpp
@@ -93,7 +93,6 @@ MainWindow::MainWindow(QWidget *parent) :
 
 	// ADS - Create main container (ContainerWidget).
 	_container = new ADS_NS::ContainerWidget();
-	_container->setOrientation(Qt::Vertical);
 #if QT_VERSION >= 0x050000
 	QObject::connect(_container, &ADS_NS::ContainerWidget::activeTabChanged, this, &MainWindow::onActiveTabChanged);
 	QObject::connect(_container, &ADS_NS::ContainerWidget::sectionContentVisibilityChanged, this, &MainWindow::onSectionContentVisibilityChanged);