The Arsenal manager says reducing up to 60 roles is necessary to keep the club moving forward, but the timing alongside his own new contract has drawn scrutiny.
The Argentina defender has issued two public statements and held clear-the-air talks at Carrington, with all parties considering the matter closed ahead of Sunday's trip to Leeds.
Second-half goals from Timber, Eze and Saka swept Arsenal past a stubborn Lille side who had kept them at bay for an hour.