Remove Author Meta on AMP mode

/* Remove Author Meta on AMP mode */
function remove_author_meta_in_amp( $args ) {
    if ( ( $key = array_search( 'meta-author', $args ) ) !== false ) {
        unset( $args[$key] );
    }
    return $args;
}
add_filter( 'amp_post_article_header_meta', 'remove_author_meta_in_amp' );