I delete my posts but they keep reappearing when I log out then back in again.. Please help. .I'm getting cluttered up and my phones running slow because of this issue..
Try deleting posts from your activity log.>Activity Log>In left column the "Posts by others" filter to the right, then you'll see an icon that will open a menu of options and one is delete. p.s. (timeline)
You want to check if these posts and not found on other groups or pages. Track them and try and delete them from the source. Make sure your phone has not catch a virus.