If you're responsible for choosing applicants to interview from a stack of resumes, you can do something similar by simply having someone else strip the names out before you see them.
While you probably are not consciously racist or sexist, simply consuming mass media and living in the society we live in gives us aliefs (subconsciously held beliefs that we consciously know are wrong) that can affect our choices without our knowledge. It's substantially harder to remove your subconscious from the equation when conducting interviews, but at least choosing the best candidates to interview is a step in the right direction.
While you probably are not consciously racist or sexist, simply consuming mass media and living in the society we live in gives us aliefs (subconsciously held beliefs that we consciously know are wrong) that can affect our choices without our knowledge. It's substantially harder to remove your subconscious from the equation when conducting interviews, but at least choosing the best candidates to interview is a step in the right direction.