SharePoint Hide Ribbon Actions

//Hide Save button on Ribbon, also being hidden by
SPRibbon ribbon = SPRibbon.GetCurrent(this.Page);
if (ribbon != null)
{
ribbon.TrimById(“Ribbon.ListForm.Edit.Commit.Publish”);
ribbon.TrimById(“Ribbon.ListForm.Edit.Actions.DeleteItem”);
ribbon.TrimById(“Ribbon.ListForm.Edit.Clipboard”);
ribbon.TrimById(“Ribbon.ListForm.Edit.SpellCheck”);
}