Does the 1.4mm screw/screwbase for the wifi antenna serve any purpose?

In an attempt to dry out the Home button, I disassembled my phone using the iPhone 4 Home Button installation guide ( http://ifixit-guide-pdfs.s3.amazonaws.co... ). When removing the wi-fi antenna as described in steps 13 and 14 of the guide, I noticed the 1.4mm (yellow) screw didn't want to come out, even with tweezers. I attempted to apply pressure to remove the 1.4mm screw and the small circular base that it was screwed into ended up coming out with the wi-fi antenna, as if it were not attached to anything in the first place. Is this small circular base the 1.4mm screw went into important? Should I attempt to reattach it or do I need to order a new logic board?

The circular base the screw went into is very small, but I can attempt to provide a picture if needed.