Is there a way to delete inactive user sessions

Summary

Is there a way to delete inactive user sessions

Content

We have a user which has performed several logins without having logout. Since then, each times the user tries to login again, a message is displayed that "maximum number of sessions exceeded" along with an option to "Delete the oldest user session and login". After checking that option it is possible to login.

Apparently these sessions does not have a timeout, I understand that this comes from the setting of the default login policy we are using:

Relogin timeout This change will cause expiration of user sessions.

minutes

I have tried to delete the browser cache in case this helps but this doesnt help and I understand that the sessions are kept in the server. I checked to see if there is an option to delete all sessions from the Users screen but didnt find anything.