Follow the below mentioned steps to uninstall Atatus in Heroku.
Unset Atatus Heroku PHP extension repo
copyheroku config:unset HEROKU_PHP_PLATFORM_REPOSITORIES ATATUS_LICENSE_KEY ATATUS_APP_NAME -a YOUR_APP
Remove Atatus Heroku extension in
composer.json
from the previous remote package repository.copy{ "require": { "ext-atatus": "1.10.0" }, "config": { "platform": { "ext-atatus": "1.10.0" } } }
Uninstall Atatus Heroku extension.
copycomposer update
Commit those changes to Heroku and deploy your application once again.
copygit add composer.json composer.lock git commit -m 'Add ext-atatus dependency to Heroku app' git push heroku master