Useless 1KB file created each time a material is duplicated in editor?

Development Asset Creation
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1

Hello everyone,

Each time I duplicate a material and then rename it, it leaves behind a 1KB file that seems to have no purpose in the folder structure (but doesn’t appear in editor).
Is it normal? What’s the point of it? It seems I can delete them as they are useless!

Thanks in advance!

Screenshot: http://image.noelshack.com/fichiers/2016/43/1477763468-small-files.jpg

2

They’re probably redirectors: Redirectors | Unreal Engine Documentation

You can right click the asset folder in editor and then run the fix up redirectors command.

3

Thank you for your answer!
It doesn’t seem to fix them now, so i will have to delete them by hand, but at least i know from where they come from!

4

And then you know where broken references come from…