Tips on Customizing Flash Toolkit

How to Hide Flash Toolkit Admin Menus

function plt_hide_flash_toolkit_menus() {
	//Hide "Portfolio".
	remove_menu_page('edit.php?post_type=portfolio');
	//Hide "Portfolio → All Projects".
	remove_submenu_page('edit.php?post_type=portfolio', 'edit.php?post_type=portfolio');
	//Hide "Portfolio → Add New Project".
	remove_submenu_page('edit.php?post_type=portfolio', 'post-new.php?post_type=portfolio');
	//Hide "Portfolio → Categories".
	remove_submenu_page('edit.php?post_type=portfolio', 'edit-tags.php?taxonomy=portfolio_cat&post_type=portfolio');
	//Hide "Portfolio → Tags".
	remove_submenu_page('edit.php?post_type=portfolio', 'edit-tags.php?taxonomy=portfolio_tag&post_type=portfolio');
}

add_action('admin_menu', 'plt_hide_flash_toolkit_menus', 15);

Where do I put this code?

How to Hide the "Portfolio Data" Meta Box

function plt_hide_flash_toolkit_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Portfolio Data" meta box.
	remove_meta_box('flash-toolkit-portfolio-data', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_flash_toolkit_metaboxes', 20);