diff --git a/source/MicroBit.cpp b/source/MicroBit.cpp
index e3e8cb7..74f3841 100644
--- a/source/MicroBit.cpp
+++ b/source/MicroBit.cpp
@@ -78,8 +78,7 @@ MicroBit::MicroBit() :
        MICROBIT_ID_IO_P9,MICROBIT_ID_IO_P10,MICROBIT_ID_IO_P11,
        MICROBIT_ID_IO_P12,MICROBIT_ID_IO_P13,MICROBIT_ID_IO_P14,
        MICROBIT_ID_IO_P15,MICROBIT_ID_IO_P16,MICROBIT_ID_IO_P19,
-       MICROBIT_ID_IO_P20, MICROBIT_ID_IO_INT1, MICROBIT_ID_IO_INT2, 
-       MICROBIT_ID_IO_INT3),
+       MICROBIT_ID_IO_P20),
     bleManager(storage),
     radio(),
     ble(NULL)