zebra keyboard : hide tab with special character ?

Hello all,

we work with zebra tc75 with android 6 and 7.
We have configured on these device the zebra keyboard.

I would like to know if it's possible to delete the last tab on the keyboard.
This last tab is the tab where you can find all special character (/ \ - < > ; . ? ! and so on)

See picture.

thanks for your time

Hello all,
any idea about this question ?

thanks for all

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