Say I have this object:

dynamic foo = new ExpandoObject();
foo.bar = "fizz";
foo.bang = "buzz";

How would I remove foo.bang for example?

I don't want to simply set the property's value to null--for my purposes I need to remove it altogether. Also, I realize that I could create a whole new ExpandoObject by drawing kv pairs from the first, but that would be pretty inefficient.

c# expandoobject
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