@ammarbader, if you do not wish to see the buttons at the bottom end when collecting data with Enketo, then you will need to remove the structured groups in your project form. This, however, does not stop the respondent/enumerators from scrolling back.
If you wish to see what was selected at the very beginning before changing the choices to sometime else, then you could use the once() expression to capture what was collected at the very beginning.
As a reference, you could go through our post discussed previously that should help you achieve what you are looking for:
