Warnock told South London Press: "We'll be talking to Leeds because his contribution has been good. Shaun's on a good contract at Leeds so we've got to see if they are ready for him to go and also sort things out this end. I think things will be resolved in the next week to 10 days."
Derry refused to return to Elland Road when asked by Dennis Wise, to cover for injuries to his midfield in the New Year game against Oldham.