In the event, the proletariat through the dictatorship of the proletariat would establish a communal State (per the 1871 Paris Commune model), then gradually suppress the dissenting bourgeoisie, in achieving the withering away of the State as its institutions begin to ``lose their political character''. Thus, following Marx's conclusions on the Paris commune, which Lenin took as his model Lenin declared that the task of the Revolution was to smash the State.
Marx
Lenin