diff --git a/ports/nrf/boards/simmel/mpconfigboard.mk b/ports/nrf/boards/simmel/mpconfigboard.mk
index 032caac408..6bc05a7f08 100644
--- a/ports/nrf/boards/simmel/mpconfigboard.mk
+++ b/ports/nrf/boards/simmel/mpconfigboard.mk
@@ -3,6 +3,8 @@ USB_PID = 0xc051
 USB_PRODUCT = "Simmel"
 USB_MANUFACTURER = "Betrusted"
 
+CIRCUITPY_DEVICES="CDC,MSC,HID"
+
 MCU_CHIP = nrf52833
 
 # SPI_FLASH_FILESYSTEM = 1
@@ -29,6 +31,7 @@ CIRCUITPY_RTC = 1
 CIRCUITPY_SDCARDIO = 0
 CIRCUITPY_TOUCHIO = 0
 CIRCUITPY_ULAB = 0
+CIRCUITPY_USB_MIDI = 0
 CIRCUITPY_WATCHDOG = 1
 
 # Enable micropython.native