The Fitbit Community is a gathering place for real people who wish to exchange ideas, solutions, tips, techniques, and insight about the Fitbit products and services they love. By joining our Community, you agree to uphold these guidelines, so please take a moment to look them over.
If you mean not to show on clock face, there are hundreds or thousands of clock faces to choose from; there must be one without heart rate; take a look.
Before posting, re-read to see if it would make sense to someone else not looking at your Fitbit or phone.