You can remove your email address by opting-out

Opting-out provides various mechanisms to ensure your email address is no longer publicly searchable. After verifying control of the address, you'll be given 3 different options that put you in control of how your visibility should be removed from both existing data breaches and ones that impact you in the future.

Opt-out of public searchability

Using Have I Been Pwned is subject to the terms of use