purge (something) from (something)
1. To clear something totally from something. We'll need to purge the contaminated coolant from the machine before we begin operating it. I recommend purging old fuel from the tank of your lawn mower when taking it out of winter storage. Police have begun purging protesters from the streets.
2. To cleanse impure thoughts or feelings from someone or one's mind or soul. I recommend you turn to prayer to purge those evil thoughts from your mind. Your obsessive focus on purging sin from your congregation has become a sin unto itself.
purge someone or something from something
to rid something of someone or something. We are going to purge the delinquent members from the list. The court purged her arrest from the records.