Usuń heroku pilot
git remote rm heroku
Frantic Fly
git remote rm heroku
$ git remote rm heroku // delete the heroku remote
$ heroku git:remote -a NAME_OF_HEROKU_APP // reatributte the heroku app
$ git remote rm heroku // delete the heroku remote
$ heroku git:remote -a NAME_OF_HEROKU_APP // reatributte the heroku app