C# - leere Knoten aus XML Document entfernen

public static void RemoveEmptyNodes(XmlDocument doc)
{
    XmlNodeList nodes = doc.SelectNodes("//node()");

    foreach (XmlNode node in nodes)
        if ((node.Attributes.Count == 0) && (node.ChildNodes.Count == 0))
            node.ParentNode.RemoveChild(node);
}