Just so we're clear, do you mean a footnote or a page footer? I suspect the latter.
It will also matter if you just want to remove a footer, if that's what you're actually removing, from the first page, a single subsequent page, or all pages.
Brian - Windows 10 Pro, 64-Bit, Version 1903, Build 18362
Many of the insights of the saint stem from his experience as a sinner.
~ Eric Hoffer