I never pay charities.
...
Charities are just another form of tax. Fuck em.
I might say just pay attention to what it was. A charity isn't just a tax, it is a form of donation where you can help the others, yes we have the government but still there are people who can't reach by these government.
A last wish of a dying man won't really affect you unless you'll be part of it. So just leave it as it is if you can't help.
#JustARespect
Lastly, nobody is enforcing you to make a donations. It is just within your conscience and a matter of acceptance. God Bless you buddy.