how to delete phone number

[an annoying pirate]

i entered my phone number on my profile and now i regret doing so (notification spam)
i want to remove my phone number but there no option to do so

[Carthage]

You might be able to do it at https://rec.net but I can't say for certain. (I don't have mine linked, so I can't check.)

[an annoying pirate]

dont you think a ingame option is neccesary?