tournament_clear_tournament_variables_effect

tournament_clear_tournament_variables_effect = {
	tournament_clear_contest_variables_effect = yes
	if = {
		limit = { exists = var:contest_versus_progress }
		remove_variable = contest_versus_progress
	}
	if = {
		limit = { exists = var:tournament_marriage_prize }
		remove_variable = tournament_marriage_prize
	}
	if = {
		limit = { has_character_flag = arrived_at_tournament_flag }
		remove_character_flag = arrived_at_tournament_flag
	}
	if = {
		limit = { has_character_modifier = tournament_melee_protector_modifier }
		remove_character_modifier = tournament_melee_protector_modifier
	}
	if = {
		limit = { has_character_flag = knows_mulan_flag }
		remove_character_flag = knows_mulan_flag
	}
	if = {
		limit = { has_character_flag = cloak_duelist_flag }
		remove_character_flag = cloak_duelist_flag
	}
	if = {
		limit = { exists = var:contest_horse_race_name }
		remove_variable = contest_horse_race_name
	}
	if = {
		limit = { exists = var:contest_horse_race_gender }
		remove_variable = contest_horse_race_gender
	}
	if = {
		limit = { exists = var:horse_race_jockey }
		remove_variable = horse_race_jockey
	}
	clear_variable_list = tournament_favor_offers
}

As written in game/common/scripted_effects/04_dlc_ep2_tournament_effects.txt.