Naismith is a target for West Bromwich Albion.
But he told the Scottish Sun: "I'd like to think I could play for Rangers again and have that feeling again.
"Do I feel like I've played my last game for the club? No I don't.
"I've not put too much thought into it while I've been concentrating on coming back from injury.
"Everyone has got their contracts. I've got three years left at the club and I'll be there for the next three years unless circumstances change."