Melbourne City confirmed veteran Spaniard Markel Susaeta mutually agreed to terminate his contract due to family reasons.
After replacing former Liverpool defender Markus Babbel in January, Jean-Paul de Marigny has been rewarded with the permanent role.
Alessandro Diamanti, 37, has extended his contract with Australian side Western United.
The 2019-20 A-League season has some clarity following Wednesday's announcement.
Brisbane Roar announced Robbie Fowler would not be returning to the club as head coach.
Ahead of the A-League season restarting next month, Wellington Phoenix will travel to Australia on Saturday.
Up to 2,000 fans will be allowed to attend sporting events in Queensland beginning this weekend.
The clash between Melbourne Victory and Western United at AAMI Park will kick-off the resumption of the season next month.
Former Adelaide United striker Carl Veart is taking over as the club's interim head coach.
Amid the coronavirus pandemic, the A-League season has been extended until August 31.