How to remove grub from a GPT hard drive?

[ziyuang]

I once installed Debian onto my hard drive with GPT so there is a grub on it. Recently I erased Debian for some reason. But the grub is still there (which can launch nothing). How can I remove it? I know the trick

dd if=/dev/null of=/dev/sdX bs=446 count=1

for MBR, can it be applied to GPT? Thank you.

[Shantanu]

If GRUB is sitting on physical partition which is not used by other OS, storage, etc. you can format the partition using utility of your choice (like Gparted !)

[oz]

Hello and welcome!

In addition to what Shantanu said above, installing a different bootloader to the same locations should overwrite GRUB, thereby removing it.