Go your Profil and click on "fans". Du will see a Liste of Icons and the names of the users Du fanned. Weiter to their name Du see a little red cross. When Du click on the kreuz the user is deleted from your Liste of fans. Note: The person will NOT be informed. But some users keep a close eye on their fancount and might research if they see it dropping. They will however NOT get a message saying they were dropped from someone else's fanlist.