By default Windows 10 shows recycle bin icon on desktop , if you don’t want it ,you can follow below steps to remove it from desktop.

1.Search “theme” from start menu and click “Themes and related settings”

2.On the right part ,scroll down and click “Desktop icon settings”

3.Un-tick “Recycle Bin” then click “OK”

4.Done ,now you will not see the recycle bin icon on desktop anymore