private function remove_membership_level( $membership_id, $status = 'expired', $delete = false ) {

		// Remove the user from the membership level.
		$membership_levels = $this->get_membership_levels();
		$key               = array_search( $membership_id, $membership_levels );
		if ( false !== $key ) {
			unset( $membership_levels[ $key ] );
		}
		update_user_meta( $this->get_id(), '_llms_restricted_levels', $membership_levels );

		global $wpdb;
		// Locate all enrollments triggered by this membership level.
		$q = $wpdb->get_results(
			$wpdb->prepare(
				"SELECT post_id FROM {$wpdb->prefix}lifterlms_user_postmeta WHERE user_id = %d AND meta_key = '_enrollment_trigger' AND meta_value = %s",
				array( $this->get_id(), 'membership_' . $membership_id )
			),
			'OBJECT_K'
		); // db call ok; no-cache ok.

		$courses = array_keys( $q );

		if ( $courses ) {

			// Loop through all the courses and update the enrollment status.
			foreach ( $courses  as $course_id ) {
				if ( ! $delete ) {
					$this->unenroll( $course_id, 'membership_' . $membership_id, $status );
				} else {
					$this->delete_enrollment( $course_id, 'membership_' . $membership_id );
				}
			}
		}

	}