How to remove the keyboard layout icon from the Panel notification area in Unity?

indicator unity language 14.04 notification-area

  1. Open the system settings:

    enter image description here

  2. Open the Keyboard icon:

    enter image description here

  3. Open the Layout Settings and select text entry:

    enter image description here

  4. Deselect the "Show current input source in the menu bar"

    enter image description here

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