public void onRemoveColumn(final RemoveColumnDescriptorEvent event) {
final String caption = event.getCaption();
final ListColumnDescriptor<?, ?> columnDescriptorToBeRemoved = descriptorsByCaption.remove(caption);
listColumnDescriptors.remove(columnDescriptorToBeRemoved);
rebuildSimpleList();
final ColumnDescriptorRemovedEvent removeColumnEvent = new ColumnDescriptorRemovedEvent(this, caption, event.getTableName());
customDescriptorHolderByCaption.remove(caption);
eventBus.fireEvent(removeColumnEvent);
}