Heidi , mine has 6 X allen head bolts ,3 each side ,They are not rivets & once all are out the guard will almost fall out by itself .IF Your referring to the clip for the brakeline I ditched it years ago so don't know what holds it on ,may well be rivets .Piss them off & the clip .
If Wisdom Comes with Age , I'm one of the Smartest Blokes Here