User blog comment:Ghirahim le fabuleux/Overcategorization/@comment-38524295-20190728232215/@comment-30407383-20190728232935

To remove categories, go into classic editor. On the right hand side you should see a list of categories, scroll down to find the ones that need removing (XXXX ones described above), just hover your mouse over them and a bin will show up, just click that. I done the mario kart for you.