ALTER TABLE db_version CHANGE COLUMN required_10945_01_mangos_mangos_string required_10946_01_mangos_spell_proc_event bit;

DELETE FROM spell_proc_event WHERE entry IN (16257, 16277, 16278, 16279, 16280);
DELETE FROM spell_proc_event WHERE entry IN (12966, 12967, 12968, 12969, 12970);