Tips on Customizing Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF

How to Hide Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF Admin Menus

function plt_hide_wp_retina_2x_menus() {
	//Hide the "Meow Apps" menu.
	remove_menu_page('meowapps-main-menu');
	//Hide the "Meow Apps → Dashboard" menu.
	remove_submenu_page('meowapps-main-menu', 'meowapps-main-menu');
	//Hide the "Meow Apps → Perfect Images" menu.
	remove_submenu_page('meowapps-main-menu', 'wr2x_settings');
}

add_action('admin_menu', 'plt_hide_wp_retina_2x_menus', 11);

Where do I put this code?

How to Hide the "Perfect Images" Meta Box

function plt_hide_wp_retina_2x_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Perfect Images" meta box.
	remove_meta_box('meta-meow-perfect-images', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_wp_retina_2x_metaboxes', 20);