Ahh, that makes a lot more sense.  I didn't pick-up on that since I was using a 5.4 version to compare and the old version Groups does not show "everyone" (or was configured not to).  Thanks for clarifying.

I have a new install of AEM 6.1.  The "everyone" group is automatically added to all existing and newly created groups. Trying to remove the group from the "Groups" tab in the useradmin console appears to remove it but does not work. The "everyone" group is showing when reloading the console.  What ...