iPhone - help removing a UITextField?

I've got a UITextField up and running overtop of my EdgeLib powered game. Everything works fine, I've created delegate class to handle the enter key and auto close the keyboard, the text is passed back to my app no problem.
The thing I am having troubles with though is actually removing the UITextField from the screen once I'm done with it! How silly is that.
I've tried many things and I can't get it to not display itself anymore.
[inp removeFromSuperview] does nothing even though I've added it as a using [window addSubview:inp].
I've also fooled around with the retainCount/release stuff to make sure it is no longer being retained, plus various other things.
Any ideas?
The thing I am having troubles with though is actually removing the UITextField from the screen once I'm done with it! How silly is that.
I've tried many things and I can't get it to not display itself anymore.
[inp removeFromSuperview] does nothing even though I've added it as a using [window addSubview:inp].
I've also fooled around with the retainCount/release stuff to make sure it is no longer being retained, plus various other things.
Any ideas?