diff --git a/ports/renesas-ra/mpconfigport.h b/ports/renesas-ra/mpconfigport.h
index a4a0caa373ba636152fbe94749b31d98b1e17521..842de1eff757dc6850a849c704ed5a1f5d53c3d9 100644
--- a/ports/renesas-ra/mpconfigport.h
+++ b/ports/renesas-ra/mpconfigport.h
@@ -145,7 +145,6 @@
 
 #if MICROPY_PY_MACHINE
 #define MACHINE_BUILTIN_MODULE_CONSTANTS \
-    { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) }, \
     { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) },
 #else
 #define MACHINE_BUILTIN_MODULE_CONSTANTS
diff --git a/ports/stm32/mpconfigport.h b/ports/stm32/mpconfigport.h
index c3202d1f2e3da03a6192b54454b226cfdb99fdff..e3e24f4a9d468da2ad79b8f945dbb0e2c23f989e 100644
--- a/ports/stm32/mpconfigport.h
+++ b/ports/stm32/mpconfigport.h
@@ -166,7 +166,6 @@ extern const struct _mp_obj_module_t stm_module;
 
 #if MICROPY_PY_MACHINE
 #define MACHINE_BUILTIN_MODULE_CONSTANTS \
-    { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) }, \
     { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) },
 #else
 #define MACHINE_BUILTIN_MODULE_CONSTANTS