private void HideAIButton()
{
    var aiButton = this.spreadsheetRibbon
        .ChildrenOfType<RadRibbonButton>()
        .FirstOrDefault(b => b.Text == "AI Tools");
    if (aiButton == null)
    {
        return;
    }

    var aiGroup = aiButton.ParentOfType<RadRibbonGroup>();
    if (aiGroup != null)
    {
        aiGroup.Visibility = Visibility.Collapsed;
    }
    else
    {
        aiButton.Visibility = Visibility.Collapsed;
    }
}