If you’re a fan of the Modern Warfare series, then deleting the campaign is a must-do on your PS4. This is because if you don’t delete it, then the game will be locked and you won’t be able to play it. To delete the Modern Warfare campaign on your PS4, open up your console’s settings and scroll down to “Delete content.” Once there, select “Yes” and confirm by pressing “OK.” Then close your console and delete the campaign file.
