[FORUM] Unnotifying doesn't work?

I'm going -> Pofile -> Modify Profile -> Notifications. Then I'm checking my wished Topics and then -> Unnotify.
It says "Your profile has been updated successfully" and thos Topics arent' in the List anymore, good so far.
If I'm going to wait some time and checking "Show new replies to your posts" and the Topics I removed are still there and coming again >.<What am I doing wrong??

notifications are by email, so it is functioning correctly. You can't stop them showing in the 'show unread topics' or 'show new replies to my posts'

Oh, that sucks... :-(