public void remove( final WorkbenchPanelView panel ) {
final HorizontalSplitterPanel vsp = (HorizontalSplitterPanel) panel.asWidget().getParent().getParent().getParent();
final Widget parent = vsp.getParent();
final Widget eastWidget = vsp.getWidget( Position.EAST );
vsp.clear();
//Set parent's content to the EAST widget
if ( parent instanceof SimplePanel ) {
( (SimplePanel) parent ).setWidget( eastWidget );
}