Two sitemaps in Google Console

I see two sitemaps in Google Console. One stars with http another with https. On side note, website uses SSL and redirect, so everything runs over https. I believe http sitemap is from the time the website was not secure, but the question is:

Is it a problem to have these two sitemaps? If yes, is there a way to remove one of them. Currently it looks like this, but when you click on "Coverage" there as some discrepancies between the two:
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Two sitemaps in Google Console WordPress ...