1 Samuel 17:51

17:51 David ran and stood over the Philistine. He grabbed Goliath’s sword, drew it from its sheath, killed him, and cut off his head with it. When the Philistines saw their champion was dead, they ran away.

1 Samuel 17:54

17:54 David took the head of the Philistine and brought it to Jerusalem, and he put Goliath’s weapons in his tent.