diff --git a/extmod/moduplatform.c b/extmod/moduplatform.c
index 149df7c56f..67be2265a7 100644
--- a/extmod/moduplatform.c
+++ b/extmod/moduplatform.c
@@ -99,14 +99,6 @@
 #define PLATFORM_SYSTEM     "MicroPython"
 #endif
 
-#ifndef MICROPY_HW_BOARD_NAME
-#define MICROPY_HW_BOARD_NAME PLATFORM_ARCH
-#endif
-
-#ifndef MICROPY_HW_MCU_NAME
-#define MICROPY_HW_MCU_NAME     ""
-#endif
-
 #ifndef MICROPY_HAL_VERSION
 #define MICROPY_HAL_VERSION     ""
 #endif