Remove Eject Icon from Menu bar
The Eject menu is part of the Menu Extras that are of the standard core service items for the Mac.

It is not normally enabled.

But one way of enabling it is to double click on the 
/System/Library/CoreServices/Menu Extras/Eject.menu  file.

The Eject menu is normally for your built in disc drive if you have one.



It may or may not work on external disc drive.

To remove the Eject Menu


Press and hold the Apple/Command key.
Click and drag the Eject menu icon off the menu bar.
Once you start dragging the Eject icon, you can release the
Apple/Command key.
Release the mouse button when the Eject menu no longer appears in the
menu bar.

The Eject icon will disappear.