Triple best and fairest Kane Cornes will remain at Port Adelaide despite his tagging role disappearing from the AFL, Power coach Matthew Primus says.

Cornes has told the Power he wants the club to honour the two remaining years of his contract despite speculation he's not in Primus' future plans.

Cornes has twice been dropped this season but Primus said rumours of the 28-year-old being cut from the club were unfounded.

"He has got a two-year contract so I think that is a fair guarantee that he's going to be here," Primus told reporters on Friday.

"Kane has certainly told us he doesn't wish to be traded."

Asked if he was totally confident Cornes would remain at Port next season, Primus replied: "Yep".

But the Power coach said the renowned tagger must change as a player to return as a regular in Port's line-up.

"Full blown tags, I think, are slowly evolving out of the game," Primus said.

"He just has to learn that the game is evolving all the time and we need him to play consistently and different roles all the time.

"It's not just about playing the role that he's very good at - the game is changing and the way we want to play and the way I want the team to play is changing."

Cornes has been named an emergency for Port's final match of the season against Melbourne on Sunday.

"He's contracted and we know what he's capable of doing and we'll continue to work with him and improve on his ability to play different roles for us," Primus said.

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