Can't seem to tidy up my writing files!!

With twenty or so of my short stories due out on April 8th under the title 'The View From Endless Street' with WiDo publishing, and another 15 or so out with an English publisher soon after, I should be able to clean up my writing files. I suspect I have the exact same version of various stories of mine in lots of different places amongst my files. For example, stories that I might have written last year but which have not been compiled into a collection or submitted to a publisher,I have made copies of and brought into my 2014 writing files... but can't bring myself to delete them from 2013. Some awful psychological barrier about it. It could be that what the files are and the way they're laid is like a curious record of my work for that year ... say like what you might see in last year's diary, and I don't want to make it disappear; I want to remember what I did. Thinking about it, I also never throw away old diaries, I've got them all going back to the last century. That'll be it I think, both these things are records of my existence, and if I get rid of them, I might vanish too? Could I be that primitive? Yep, I think so.