drop_tables(); // Remove options global $wpdb; $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'bd_bookshelf_%'"); // Remove transients $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_bd_bookshelf_%'"); $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_timeout_bd_bookshelf_%'");