Nope, they literally slide right out. Obviously, I'm assuming they are using the OE washer retainer plate.
This thread has been very helpful as I’m about to jump into this swap: this may be a moot question once I get my stock cover off, but I’ll ask for now anyway: Is there a trick to removing the stock headlight washer pumps and jets from the stock bumper and swapping them onto the GT4 bumper, or will it be straightforward and self-explanatory once I see it for myself? FWIW, I’m using a DarwinPro bumper, not the OEM pieces, so I’m aware there will be some concessions and fabrication/improvisation for things to bolt up and connect here and there... Thanks! Jeremy