Erro no deletar

 @Override
    public void onCreateContextMenu(ContextMenu menu, View v, final ContextMenu.ContextMenuInfo menuInfo) {
        MenuItem deletar = menu.add("Deletar");
        deletar.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem item) {
                AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
                Lista lista = (Lista) listaItens.getItemAtPosition(info.position);

                Toast.makeText(ListaMainActivity.this, "Deletar Lista! " + lista.getId().toString(), Toast.LENGTH_SHORT).show();
                CarregaLista();
                return false;
            }
        });
    }
}