Deane first lined out for Cork as a dual player with the minor teams during the 1995 season. He made his first appearance with the Cork minor football team on 26 April and scored 1-02 from left corner-forward in a 4-20 to 1-03 defeat of Limerick in the Munster Championship. Deane was again at left corner-forward for the Munster final against Tipperary on 23 July, however, his contribution was limited to just a single point in the 2-06 to 0-10 defeat. By this stage Deane had also made his first appearance for the Cork minor hurling team. He scored 1-01 from full-forward in a 2-14 to 1-03 Munster Championship defeat of Limerick on 28 June 1995. He was again at full-forward for the Munster final on 9 July and collected a winners' medal after scoring two points in the 3-18 to 0-10 defeat of Waterford. On 3 September, Deane was selected at full-forward for the All-Ireland final against Kilkenny. He scored 1-02 in the 2-10 to 1-02 victory in what was his last game in the minor grade.