I am suggesting a Javascript to hide unneeded ISV Buttons. It will go like this:
// hide ISV buttons that don't apply
function hideISVButton(buttonTitle) {
var comps = document.getElementsByTagName('li');
for (var i = 0; i < comps.length; i++) {
if (comps[i].title == buttonTitle)
{
comps[i].style.display = "none";
break;
}
}
}