Cube Cell PlatformIO

How to I turn off LORAWAN_AT_SUPPORT in my platformio.ini file.

I have the following defined

[env:cubecell_board]
platform = asrmicro650x
board = cubecell_board
framework = arduino

board_build.arduino.lorawan.region = US915
board_build.arduino.lorawan.adr = ON
board_build.arduino.lorawan.debug_level = FREQ_AND_DIO
board_build.arduino.lorawan.rgb = DEACTIVE

board_build.arduino.lorawan.at_support = OFF