How do I remove the Sidebar Text Box?

It’s simple! You can use the Display Options to turn off the Sidebar Text Box in the Classic Responsive Skin:

1. Go to Skin → Content.
2. Click Sidebar (in the Skin Display Options section).
3. Uncheck the “Sidebar Text Box” option.
4. Close the dialog box, and then click Save Options.

Using a different Skin? Check out How do I remove certain elements in my Skin?