"Have you seen Ozil? Have we seen Ozil? He's on £350,000 a week. I know people go on about wages but he's on £350,000 a week and he's not really trying," Brady told Premier Sports.
"I would have a kid in the team who is going to run around and show some enthusiasm. I think Freddie thinks he's a bit too big to take on as he's only the interim manager.
"You've got to make decisions. He should not be in the team. Emery bombed him from the team for at least two months and then backtracked and put him in the team again and I think that contributed to his downfall.
"They have a number of youngsters who have done well in the Europa League and League Cup, they had a tremendous game up at Liverpool.
"But I think Freddie is reluctant to go up against the big names in the squad. But if you are going to make an impression that's what you need to do. Ozil should not be playing for Arsenal."