You can change the appearance of the size fields for a set, or hide them altogether.

You can hide these fields by making an adjustment in the layout of the blueprint. In the layout editor, click the gear icon next to the set:

In the size settings, you can choose to show or hide the set size field, as well as the appearance, location, and behavior of the field:

An admin can also hide the size field by modifying the Set type value column in the layout CSV file. Enter the following:

{ "sizeControl": { "visible": false } }

For more information about how to control the size and behavior of sets, see Using sets in layouts.