Edge has left scrollbar

[ngocanh350]

It doesn't have any feature. How can I delete it? 

[#2]

Are you seeing this in all websites?
Are you using Beta or Dev build?

[#3]

Almost every website I visit has this. I use normal edge.

[#4]

Open Microsoft Edge and in the top right corner click on ...->Help and feedback->Send feedback and report this issue and make sure include screenshot too.