Zechariah 9:7

The Lord would also remove the blood that these pagans ate, which was forbidden in Israel, from their mouths. He would take the unclean, detestable food that they ate from their mouths. Drinking blood and eating unclean food was part of Philistine pagan worship (cf. Isaiah 65:4; Isaiah 66:3; Isaiah 66:17), so the judgment in view included punishment for idolatry. Some remaining Philistines would turn to the Lord and become like the Israelites in their faith in Yahweh. As the Jebusites became incorporated into Israel in David’s day (cf. 2 Samuel 24:16; 1 Chronicles 21:18), so would the Philistines in the future from Zechariah’s viewpoint.