bury the hatchet
US /ˈber.i ðə ˈhætʃ.ɪt/
UK /ˈber.i ðə ˈhætʃ.ɪt/
1.
to end a quarrel or conflict and become friends again
:
•
After years of fighting, they finally decided to bury the hatchet and reconcile.
•
It's time for us to bury the hatchet and move forward.