Disable header on static home page

Hi, I want to disable the header on my static home page so I ticked the relevant checkbox in the 'Disable Elements' meta box (on the actual home page) but the sitewide header is still appearing, which means I have two headers (one is the sitewide header and the other is the custom header I created for the static home page). Do you have any suggestions as to why the sitewide header is still appearing? Thanks. (P.S. I'm using Thrive Architect to build pages/posts).