How can I delete old data sheets

[life4you]

Hello, I see in my sitemap old data sheets same name with number below. How can I delete the old data sheets on server ?

Thanks 

George

[Adam7]

Your sitemap is updated when you publish your site, @life4you.  If you're deleted pages in the editor, publish your site again and it should remove those from your sitemap.xml file.

[life4you]

Hello Adam, Your tip is good and ok. But I have only in weebly the possibility sitemap.html and not sitemap.xml. Or how can I canhe in sitemap.xml?

Thanks

george