Disable Divi's Project post type

functions.php

<?php
add_action( 'init', 'cliff_remove_divi_project_post_type' );

if ( ! function_exists( 'cliff_remove_divi_project_post_type' ) ) {
	/**
	 * Disable Divi's Project post type.
	 *
	 * Alternative option for post type (but not taxonomies): Use the 'et_builder_default_post_types' filter.
	 * wp-content/themes/Divi/includes/builder/core.php
	 *
	 * @link https://gist.github.com/cliffordp/718ec5fede29da940b5a2daaeb563817
	 */
	function cliff_remove_divi_project_post_type(){
		unregister_post_type( 'project' );
		unregister_taxonomy( 'project_category' );
		unregister_taxonomy( 'project_tag' );
	}
}