Re: disabling mytiki
Just ran across this issue myself and you can go into the "General" admin (icons, not text menu) and under "General Settings" uncheck "Display modules to all groups always" and it will go away.
Be sure though that any other modules you want to show up for everybody are assigned the Anonymous permission or they'll go away too! You can also assign modules per group. This is done in the Modules admin menu (the text menu, not the icons)
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