Over time, the Search bar history in Firefox can grow quite large. If needed, you can clear items from the Search bar history.

To clear all items, right-clickhold down the Ctrl key while you click on the input field of the Search bar, and select Clear Search History. Your Search bar history is cleared.

• If Clear Search History is grayed out, that means there are no items in your search history to clear.
  
  
  
  

To clear individual items from the Search bar history, click on the Search bar input field. Press the Down arrow key to scroll the list of items. To delete the highlighted item, press Shift+Delete.