Disable Author Archives

// Return a 404 page for author pages if accessed directly.

add_action( 'template_redirect', function () {

	if ( is_author() ) {

		global $wp_query;

		$wp_query->set_404();

		status_header( 404 );

		nocache_headers();

	}

} );

// Remove the author links.

add_filter( 'author_link', '__return_empty_string', 1000 );

add_filter( 'the_author_posts_link', 'get_the_author', 1000, 0 );

// Remove the author pages from the WP 5.5+ sitemap.

add_filter( 'wp_sitemaps_add_provider', function ( $provider, $name ) {

	if ( 'users' === $name ) {

		return false;

	}

	return $provider;

}, 10, 2 );

// Remove admin links in the list of users.

add_filter( 'user_row_actions', function ( $actions, $user ) {

	unset( $actions['view'] );

	unset( $actions['posts'] );

	return $actions;

}, 10, 2 );