Disable Author Archive

/* Get Statuscode 404 for existing & non-existing author archives. */

add_action( 'template_redirect',

	function() {

		if ( isset( $_GET['author'] ) || is_author() ) {

			global $wp_query;

			$wp_query->set_404();

			status_header( 404 );

			nocache_headers();

		}

	}, 1 );

/* Remove the Author Links */

add_filter( 'user_row_actions',

	function( $actions ) {

		if ( isset( $actions['view'] ) )

			unset( $actions['view'] );

		return $actions;

	}, PHP_INT_MAX, 2 );

add_filter( 'author_link', function() { return '#'; }, PHP_INT_MAX );

add_filter( 'the_author_posts_link', '__return_empty_string', PHP_INT_MAX );