Head coach Smith said: "There will be some personal goals there [for the departing trio] but I don't think their desires will have changed from pre-season right through to when they leave.
"Maybe they'll just be a little bit more determined in order to go out on a fairytale note, but we're just concentrating on each and every game. If we do that, we know we'll be in with a chance."
Warrington booked a Challenge Cup final spot at Wembley last year by beating Huddersfield 33-6 at the Salford City Stadium
As for Sunday's quarter-final, the Giants lie second in Super League, one point and one place above Warrington, and provide the next obstacle for the Wolves as they look to secure a Wembley return on 24 August.
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