Tips on Customizing Arconix Portfolio

How to Hide Arconix Portfolio Gallery Admin Menus

function plt_hide_arconix_portfolio_menus() {
	//Hide "Portfolio".
	remove_menu_page('edit.php?post_type=portfolio');
	//Hide "Portfolio → Portfolio".
	remove_submenu_page('edit.php?post_type=portfolio', 'edit.php?post_type=portfolio');
	//Hide "Portfolio → Add New Portfolio Item".
	remove_submenu_page('edit.php?post_type=portfolio', 'post-new.php?post_type=portfolio');
	//Hide "Portfolio → Features".
	remove_submenu_page('edit.php?post_type=portfolio', 'edit-tags.php?taxonomy=feature&post_type=portfolio');
}

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

Where do I put this code?

How to Hide the "Portfolio Setting" Meta Box

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

	//Hide the "Portfolio Setting" meta box.
	remove_meta_box('_acp_metabox', $screen->id, 'normal');
}

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

How to Hide the "Arconix Portfolio" Dashboard Widget

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

	//Remove the "Arconix Portfolio" widget.
	remove_meta_box('ac-portfolio', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_arconix_portfolio_dashboard_widgets', 20);