Johnson, who joined as a Player-Coach in September from Gillingham has only made one start whilst Ward who joined from Bradford City at the start of the 2003/2004 season has been prone to injury.
GOAL! Ashley Ward shoots and scores the opener in the 2-0 win over Leeds United earlier this season at Bramall Lane.
"Tommy Johnson feels he can play another season, and he's out of contract in the summer, so although we like what he does as striker coach, he'll probably be released in the summer.
"Ashley is back to fitness, he's worked really hard, and it's disappointing he's not been able to play more games. I'd imagine he'll have some offers too," Warnock told sufc.co.uk.