UMG - combobox readds elements

I am making a UI for a computer that is placed in my game, and I wan’t the player to be able to leave and then return to the computer and be able to continue from where she/he left off, So when I create the widget I store it in a variable and when the player returns to the computer I load the widget stored in the variable back on to the screen instead of loading af new insyance of the widget. It works fine except the combobox adds an extra set of elements for every time the widet is loaded. Can I somehow clear the elements in a combobox to get around this problem?

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