Hi,
Thank you for your email.
We are sorry to learn you are experiencing this issue. We are aware of this problem and we are working hard trying to solve it.
You can check our forum where we are currently dealing with it:
http://getsatisfaction.com/spotify/topics/spotify_doesnt_hide...
If you need further information, please feel free to contact us.
Best regards,
Johan
Spotify support team
support@spotify.com