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Glentoran originally won the tie played at Bohemians 1–0, but Bohemians protested after Glentoran played a player who was not on the pre-match teamsheet. Glentoran were subsequently expelled from the competition and Bohemians were reinstated.
Linfield originally won the tie played at Derry Celtic 3–2, but a replay was ordered after a protest by Derry Celtic that the pitch was unplayable and that the correct kick-off time was not adhered to by the referee. Linfield refused to play a replay and subsequently withdrew from the competition with Derry Celtic advancing to the semi-finals.