diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index 6bcd5cfcf1..bdee568ac2 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -121,9 +121,6 @@
 
 #define MICROPY_KBD_EXCEPTION                    (1)
 
-#define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF   (1)
-#define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE     (0)
-
 // Scan gamepad every 32ms
 #define CIRCUITPY_GAMEPAD_TICKS 0x1f