how can i remove xbox profile?

Hi! I'm Luis, a fellow Xbox Gamer . Thanks for reaching us out here.

To remove a Xbox Live profile:

Press the Xbox button  to open the guide.

Select Profile & system > Settings > Account > Remove accounts.

Choose the profile that you want to remove, and then select Remove to confirm.

Hi there!

To remove your profile on your Xbox 360,
go here. To remove your profile on your Xbox One,
go here.

Let us know if you have any other additional questions!

I have done all the steps suggested from you, the last one how can i do it? for "removing" do you mean to delete my profile?

Check the link here on how to remove and add your profile:
https://support.xbox.com/my-account/manage-gamertag-and-profile/add-remove-account-xbox-one

You can remove the passcode by downloading your profile to the console.

This will remove the lock.

support.xbox.com/.../gamer-profile

Try to remove and add back your profile on your console, then see how it goes from there.

How to add or remove an Xbox profile on Xbox 360

https://support.xbox.com/my-account/manage-gamertag-and-profile/add-remove-profile-xbox-360

How to add or remove a Microsoft account on Xbox One

http://support.xbox.com/my-account/manage-gamertag-and-profile/add-remove-account-xbox-one