// Remember to remove the installed workbench selection listener
if (workbenchSelectionListener != null) {
getSite().getWorkbenchWindow().getSelectionService().removePostSelectionListener(workbenchSelectionListener);
// Remember to remove the installed workbench selection listener
if (workbenchSelectionListener != null) {
getSite().getWorkbenchWindow().getSelectionService().removePostSelectionListener(workbenchSelectionListener);