I would remove depreciated class and follow errors generated

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>I am begging an "in-house" project of removing all classes and classlibs that I don't think are used in the application (the key is 'I don't think' because I am not 100% sure). I will illustrate one here:
>I have a classlib 'dbf_main.vcx' with a class 'adding_new_record'. There are other classlibs that have a class of the same name, 'adding_new_record'. I have tried GoFish but it returns many places where name 'adding_new_record' is used. Would the only reasonable approach be to go to each place where this name is used? Then, commenting/changing them, one at a time? Any other suggestions?
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>TIA