How to disable menu for website user?

When a “website user” logins to erpnext, there’s a page with menus on the left.

A “website user” is very limited access user.

How to hide or disable the menu?

Here’s the screenshot.

Double-check whether the user has been granted any permissions — it’s appearing because of that. You can modify the list from Portal Settings.

Thank you very much for helping.

I login in as Administrator and found the portal setting.

In the portal setting there is a check box called “Hide Standard Menu”.
I ticked and the whole left menu was gone.

Thank you again for helping.