getting rid of ruby gems that won't die

Question

I\'ve got a few ruby gems that won\'t go away.

I think it has to do with when I installed them. Occasionally I have forgotten to use \"sudo\" before doing a gem i

Answer 1

If you have multiple versions of a gem, you will have to first do a clean up and then delete the final gem.

 gem cleanup 
 gem uninstall  --version