With treeshaking is this plugin still needed?

[frankandrobot]

The title says it all. If I'm not mistaken, webpack5 has pretty decent treeshaking support so I'm asking if this is needed in webpack5? webpack4?

[pinturic]

The point is not only about the final package; I want to know which part of my code is not used anymore so I can remove it.
Especially after (big) refactoring I run this code to see if any portion of the code can be removed.

[MQuy]

like @pinturic mentioned, webpack does tree shaking but it is just the output. If you want to cleanup your codebase, this plugin will help you to know which one to do