A paid app that can change icons for you That brings me to Replacicon ... To use an icon that's not listed as an alternative by default, you can also click the + button next to the list and choose one ...

Now, click on the Recycle Bin (full) icon and then press the Change Icon button. After that, in the Change Icon window, scroll to the right side to locate a blank icon image and click on it.

If so, you can find a setting called Always show all icons and notifications on the taskbar. You need to tick the corresponding checkbox. Finally, click the OK button to save the change.