DROP INDEX IF EXISTS idx_folders_parent_id;
DROP INDEX IF EXISTS idx_folders_category_id;
DROP INDEX IF EXISTS idx_folders_account_id;

ALTER TABLE folders
    DROP COLUMN IF EXISTS custom_attributes,
    DROP COLUMN IF EXISTS parent_id,
    DROP COLUMN IF EXISTS category_id,
    DROP COLUMN IF EXISTS account_id;

DROP INDEX IF EXISTS idx_categories_associated_category_id;
DROP INDEX IF EXISTS idx_categories_parent_id;
DROP INDEX IF EXISTS idx_categories_account_id;

ALTER TABLE categories
    DROP COLUMN IF EXISTS custom_attributes,
    DROP COLUMN IF EXISTS associated_category_id,
    DROP COLUMN IF EXISTS parent_id,
    DROP COLUMN IF EXISTS account_id;