Remove boxes

At the moment, it is somewhat tricky for users to remove a box. 

Not long ago, one could remove a box by clicking the "remove formatting" button. That does not work anymore.

Problem: Re-Selecting the box-style adds another box in the box.

Needed: There should be an easy way to remove the box. 

Preferred solution: Select text and "Re-select the already set box with a click" OR "click remove formatting".

Other solution: Mark text and click "remove formatting"