how to remove locale en_US.ISO8859-15 in solaris10?

#localeadm -r en_US.ISO8859-15


Log file is /var/sadm/install/logs/localeadmin_uninstall.2011-08-29.2
locale/region name is en_us
Warning! You have chosen the en_US.ISO8859-15 locale rather than a region to remove.
This locale is part of the North America region. If you choose to continue, all of the locales in this region will be removed.
Do you wish to continue? [y/n]: y
Removing packages for North America (nam)
Checking package SUNW5ttf......
Package SUNW5ttf is already uninstalled. Skipping.
Checking package SUNWale.................