How to Turn Off Rubymine Gem Manager?

I have been developing node projects much more often than Ruby projects recently.

I have mostly gotten RubyMine to play nicely with node and NPM, but every time I open a project the event bubble shows some of the gems required are not installed and my project does not have a Gemfile or any files ending in .rb

I know understand the implications of using a Ruby focused IDE but I recall it is just a rebranded version of WebStorm with added Ruby features...