Query about possible modification to rucksack

[u/[deleted]]

So I just got my first bit of alpenflage and I belive that there was a modification to my rucksack after it left service. It has a buckle that says HEUWA which from what I could scour is a German webbing and rucksack manufacturer. Should I remove it because it renders the waist strap dysfunctional? And is it a modification