HOW DO I TURN OFF THE UNIT OF MEASURE CHOICE POP UP WHEN I INSERT A DIMENSION??

THIS IS VERY DISTRACTING, EVERY TIME I INSERT A DIMENSION IN A SKETCH THERE IS A POP UP SELECTION ON THE RIGHT SIDE OF THE DIMENSION POP UP THAT GIVES YOU MULTIPLE CHOICES FOR THE UNIT OF MEASURE, IF YOU KNOW HOW TO TURN THIS FEATURE OFF PLEASE LET ME KNOW

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