Tips on Customizing WP Offload Media Lite for Amazon S3, DigitalOcean Spaces, and Google Cloud Storage

How to Hide the "WP Offload Media" Admin Menu

function plt_hide_amazon_s3_and_cloudfront_menus() {
	//Hide the "Settings → WP Offload Media" menu.
	remove_submenu_page('options-general.php', 'amazon-s3-and-cloudfront');
}

add_action('admin_menu', 'plt_hide_amazon_s3_and_cloudfront_menus', 11);

Where do I put this code?

How to Hide the "Offload" Meta Box

function plt_hide_amazon_s3_and_cloudfront_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Offload" meta box.
	remove_meta_box('s3-actions', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_amazon_s3_and_cloudfront_metaboxes', 20);