Removing the ATA master password

I was playing around with the ATA security erase on my SSD using hdparm, and I noticed that it works with both user and master passwords. However, I also noticed that invoking a security erase removed the user password, but not the master password, even if I did the erase using the master password. Is there a way I can remove the master password? Don't worry, I didn't forget it; it's a.