Disable the mic in the sound settings when not using it and the icon goes away.
You completely missed the point of this thread --- they wanted to keep the mic but hide the icon.
Which is impossible because it is illegal in many states in the US to secretly record a conversation without the other person's permission. So Microsoft made sure that there is no way to hide the mic icon. Therefore I put these sentences in big fonts.
So if the mic icon is there, then the end-user is either using the mic themselves or Cortana (or similar some other software is listening in the background). Or the enable "listen to this device" because they read it somewhere on some forum.
You seem to be tarded or something, the world doesen't revolve murica and your privacy issues you seem to have. Stop being plain stupid and don't answer with this stupid **** if you doesen't have answer to the question, There are literally thousands other things there could be other than your first stupid thought of privacy and murica. Like the whole text is taking up the place making it impossible to click and see anything behind it. But your brain might not be able to understand that