Corsa,
In register.php find:
Code:
// get extra profile fields
$profilefields=$DB_site->query("SELECT *
FROM profilefield
WHERE editable = 1
ORDER BY displayorder");
Replace it with:
Code:
// get extra profile fields
$profilefields=$DB_site->query("SELECT *
FROM profilefield
WHERE editable = 1
AND profilefieldid NOT IN (50,51,52,53,54,55,56,57)
ORDER BY displayorder");
That should do it.