Jones endured a torrid time in United's 1-0 defeat to Chelsea in May, giving away a decisive first-half penalty that was dispatched by Eden Hazard.
The two could come face-to-face again in the final Group G match between England and Belgium, but Jones is adamant that his display at Wembley has been consigned to history.
"The FA Cup Final was cr*p," he said. "But that's football. These things happen. You move on. You have to, because I can't sit on my ar*e and dwell on it for weeks and weeks and weeks. I'd be ready to jump off a bridge if I think like that. It was disappointing.
"Can I discard that baggage? Of course, you have to. It happens to every single player, all over the world, every day. Some get highlighted more than others, that's football.
"I'm used to it now and I like to think I'm wise enough and experienced enough to deal with it and get on with it.
"He's [Hazard] sharp, he's quick, he's agile. And he's a difficult player to play against. We've got some of them in our squad as well.
"I'm not too worried about other players, I'm more worried about what we've got. When I look at the squad, the training that we've done and the games that we've played, I see us doing well."
England's World Cup campaign kicks off against Tunisia on Monday at the Volgograd Arena in Volgograd.