In the meanwhile jonadab added an informed comment (Re: Warning for "unused sub declarations"?) as to why it could not be that bad after all - in your case. It is still a bad habit and should be avoided IMHO, especially since it may not do many harm, but it doesn't improve readability nor have any other immediate advantage either.

In reply to Re^5: Warning for "unused sub declarations"? by blazar
in thread Warning for "unused sub declarations"? by blazar

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