% debride lib These methods MIGHT not be called: MyClass good_method lib/some/file.rb:16 bad_method lib/some/file.rb:20 ... But you know that good_method is called (perhaps because it is public API), then you can whitelist it: % echo good_method > whitelist.txt % debride --whitelist whitelist.txt lib These methods MIGHT not be called: MyClass bad_method lib/some/file.rb:20 ... Usage example for a