-- Drop columns we nolonger need - (must be at the very bottom or after session table is created) ALTER TABLE `%TABLE_PREFIX%config` DROP COLUMN `ostversion`, DROP COLUMN `timezone_offset`, DROP COLUMN `api_passphrase`; -- Drop fields we no longer need in staff table. ALTER TABLE `%TABLE_PREFIX%staff` DROP `append_signature`, DROP `timezone_offset`; -- Drop fields we no longer need in department table. ALTER TABLE `%TABLE_PREFIX%department` DROP `can_append_signature`; -- Banlist table has been migrated to the email_filter_rule table DROP TABLE `%TABLE_PREFIX%email_banlist`;