Bury the hatchet
Definition 1 of 1
Pro Tip 1/3Conflict Resolution
Used when people resolve a dispute and choose to stop fighting or arguing. 
After years of rivalry, the team captains decided to bury the hatchet.
Pro Tip 2/3Metaphorical Origin
Originates from a Native American practice where warring tribes would bury their weapons as a peace gesture. 
The CEOs met over dinner to bury the hatchet, ending the long-standing feud.
Pro Tip 3/3Not Literally
It's a figurative expression, meaning no actual hatchet is being buried. 
Neighbors finally buried the hatchet and stopped arguing over the property line.