How to Hide Slim SEO Admin Menus and Meta Boxes - PluginTests.com

How to Hide the "Slim SEO" Admin Menu

function plt_hide_slim_seo_menus() {
	//Hide the "Settings → Slim SEO" menu.
	remove_submenu_page('options-general.php', 'slim-seo');
}

add_action('admin_menu', 'plt_hide_slim_seo_menus', 11);

Where do I put this code?

How to Hide Slim SEO Meta Boxes

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

	//Hide the "Search Engine Optimization" meta box.
	remove_meta_box('slim-seo', $screen->id, 'normal');
	//Hide the "Excerpt" meta box.
	remove_meta_box('postexcerpt', $screen->id, 'normal');
}

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