how to remove underline from material ui select

1<Select
2    labelId='demo-simple-select-label'
3    id='demo-simple-select'
4    value={user.status}
5    classes={{
6        root: classes.selectControl,
7        icon: classes.arrowDownIcon,
8    }}
9    disableUnderline
10> 
11   ...
12</Select>;