Answer
Note: The main profile on your Netflix account cannot be deleted. Once you delete a profile, the viewing history for that profile will no longer be available. If you are unable to modify a profile from your device or when using a mobile browser, visit Netflix.com on a computer and follow the steps above.
How to Create and Delete Netflix User Profiles
How to Create and Delete Netflix User Profiles
Can I delete my main Netflix profile?
Note: The main profile on your Netflix account cannot be deleted. Once you delete a profile, the viewing history for that profile will no longer be available. If you are unable to modify a profile from your device or when using a mobile browser, visit Netflix.com on a computer and follow the steps above.