Debugging Rubymine - only debug project files?

I've been using RubyMine and like it a lot so far.

Is there any way to only step through my project files? When I click "Step Over" or "Step Out" I'm taken into framework a开发者_如何学运维nd library files, which I don't need to look at.

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RubyMine doesn't currently have this feature; here is the relevant enhancement request.