public function delete() {

		if ( ! $this->id ) {
			return false;
		}

		$id = $this->id;
		global $wpdb;
		$where = array_combine( array_keys( $this->primary_key ), array( $this->id ) );
		$res   = $wpdb->delete( $this->get_table(), $where, array_values( $this->primary_key ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
		if ( $res ) {
			$this->id   = null;
			$this->data = array();

			/**
			 * Fires when a new database record is created.
			 *
			 * The dynamic portion of this hook, `$this->type`, refers to the record type.
			 *
			 * @since Unknown.
			 *
			 * @param int                          $id  Record ID.
			 * @param LLMS_Abstract_Database_Store $obj Instance of the record object.
			 */
			do_action( "llms_{$this->type}_deleted", $id, $this );

			return true;
		}
		return false;

	}