Custom PHP compile

I’m still a little new at this, I ran the PHP install script from the wiki, found it very useful, didnt know though once its compiled as I like it, I can delete all the source files it grabs correct? only thing I need is the cgi-bin compile, correct?

It looks like to downloaded and uncompressed some 400mb on to the server, not that I dont have the space, just looking to double check, no need it being there if it doesnt have to be.