Cassano had a blow-up with Del Neri last month, but insists everything is now fixed.
He said: "Everything is in place with the Coach. You need to say 'yes' to his decisions, and that's it.
"The time of the cassate, actually the cassanate, is now in the past. That's the stuff of 10 years ago," he added, referring to his famous temper tantrums.