It just makes the suggestions go back 0 days. This doesn’t really clear address bar suggestions. To do so, type “ about:config” in the address bar and change the setting for “ ” to “ 0“.
It’s quite an extreme thing to do, but you can disable the suggestions that appear when you type in the address bar. This will NOT get rid of everything though. Check all of the boxes, then choose “ Clear Now“. For the “ Time range to clear:“, select “ Everything“. From there, select “ clear your recent history“. You can clear this list by going to the Menu button and selecting “ Options” > “ Privacy“. Websites you have visited recently will appear in the address bar when you begin typing. In this tutorial, I will cover each one, and you can do what works best for you. If you want the address bar history to be completely cleared, there are a series of things you’ll need to do.