No. If the I-94 card was retrieved through the electronic automated system, it is not necessary to turn in a print out of the I-94 card. CBP will be using flight and ship manifests to confirm passengers’ departures. However, note that under the current system the airlines are fined if they do not lift the I-94 card when you depart. Therefore, if the airline representative is not familiar with the new system, they may still ask you for the I-94 card.