-- Revert gaia:api_2015_11_17_add_activity_for_slide_smallimage_and_pushtask from mysql

BEGIN;

ALTER TABLE `api_slide` DROP FOREIGN KEY `activity_id_refs_id_8baed6da`;
ALTER TABLE `api_slide` DROP COLUMN `activity_id`;

ALTER TABLE `api_smallimage` DROP FOREIGN KEY `activity_id_refs_id_d562832d`;
ALTER TABLE `api_smallimage` DROP COLUMN `activity_id`;

ALTER TABLE `api_pushtask` DROP FOREIGN KEY `activity_id_refs_id_b915439e`;
ALTER TABLE `api_pushtask` DROP COLUMN `activity_id`;

COMMIT;
