NOTE: This Article discusses a feature of the Community that only folks with certain roles have available.
Sometimes a Wiki Page is simple enough that a Table of Contents is either Null or Trivial. Like this one.
So, to keep a page from displaying a blank 'Table of Contents' Header like:
You can remove the Table of Contents by editing the page:
Scroll down to near the bottom of the Edit screen to the TOC Display drop down list:
And change it from 'Numbered' to 'No TOC'
And then Save the Page:
Voilà! The Table of Contents is gone.