It looks like a bunch of stuff is stored in an array in the db under wp-options table. Somehow the options table has an array for amr-users that contains fields from my Custom Fields plugin by Tribulant. Thing is these fields are no longer in Tribulant's plugin but they still show up in the options table and thus appear when configuring user lists with amr users. Any thoughts how to get rid of these fields?
SELECT * FROM <code>wp_options</code> WHERE option_value LIKE '%wpcfaddress%' LIMIT 0 , 30