diff --git a/ports/nrf/boards/arduino_primo/mpconfigboard.h b/ports/nrf/boards/arduino_primo/mpconfigboard.h
index c34a74762c..639b6869c0 100644
--- a/ports/nrf/boards/arduino_primo/mpconfigboard.h
+++ b/ports/nrf/boards/arduino_primo/mpconfigboard.h
@@ -39,7 +39,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (1)
diff --git a/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h b/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h
index 2f1a106101..2ceeadf8eb 100644
--- a/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h
+++ b/ports/nrf/boards/blueio_tag_evim/mpconfigboard.h
@@ -39,7 +39,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (4)
diff --git a/ports/nrf/boards/dvk_bl652/mpconfigboard.h b/ports/nrf/boards/dvk_bl652/mpconfigboard.h
index dee7dafa23..d0b19a3184 100644
--- a/ports/nrf/boards/dvk_bl652/mpconfigboard.h
+++ b/ports/nrf/boards/dvk_bl652/mpconfigboard.h
@@ -36,7 +36,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (2)
diff --git a/ports/nrf/boards/evk_nina_b1/mpconfigboard.h b/ports/nrf/boards/evk_nina_b1/mpconfigboard.h
index ced6b8cb1f..f0629b3a23 100644
--- a/ports/nrf/boards/evk_nina_b1/mpconfigboard.h
+++ b/ports/nrf/boards/evk_nina_b1/mpconfigboard.h
@@ -37,7 +37,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_TRICOLOR     (1)
diff --git a/ports/nrf/boards/feather52/mpconfigboard.h b/ports/nrf/boards/feather52/mpconfigboard.h
index 8ec2b0c9ac..10e0d999ce 100644
--- a/ports/nrf/boards/feather52/mpconfigboard.h
+++ b/ports/nrf/boards/feather52/mpconfigboard.h
@@ -36,7 +36,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (2)
diff --git a/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h b/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h
index 11b8c28e38..4897471ea5 100644
--- a/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h
+++ b/ports/nrf/boards/ibk_blyst_nano/mpconfigboard.h
@@ -39,7 +39,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (3)
diff --git a/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h b/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h
index 1d39ad7569..06c1647738 100644
--- a/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h
+++ b/ports/nrf/boards/idk_blyst_nano/mpconfigboard.h
@@ -39,7 +39,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (4)
diff --git a/ports/nrf/boards/microbit/mpconfigboard.h b/ports/nrf/boards/microbit/mpconfigboard.h
index abe138b9cf..f05317fb59 100644
--- a/ports/nrf/boards/microbit/mpconfigboard.h
+++ b/ports/nrf/boards/microbit/mpconfigboard.h
@@ -37,7 +37,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (0)
 
diff --git a/ports/nrf/boards/particle_xenon/mpconfigboard.h b/ports/nrf/boards/particle_xenon/mpconfigboard.h
index 4d8e8337a5..7c814e377f 100644
--- a/ports/nrf/boards/particle_xenon/mpconfigboard.h
+++ b/ports/nrf/boards/particle_xenon/mpconfigboard.h
@@ -36,7 +36,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_USB_CDC          (1)
 
diff --git a/ports/nrf/boards/pca10000/mpconfigboard.h b/ports/nrf/boards/pca10000/mpconfigboard.h
index 16ee97b430..f61405d048 100644
--- a/ports/nrf/boards/pca10000/mpconfigboard.h
+++ b/ports/nrf/boards/pca10000/mpconfigboard.h
@@ -35,7 +35,8 @@
 #define MICROPY_PY_MACHINE_I2C      (0)
 #define MICROPY_PY_MACHINE_ADC      (0)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_TRICOLOR     (1)
diff --git a/ports/nrf/boards/pca10001/mpconfigboard.h b/ports/nrf/boards/pca10001/mpconfigboard.h
index e6a0cecac5..c101b0886a 100644
--- a/ports/nrf/boards/pca10001/mpconfigboard.h
+++ b/ports/nrf/boards/pca10001/mpconfigboard.h
@@ -35,7 +35,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (2)
diff --git a/ports/nrf/boards/pca10028/mpconfigboard.h b/ports/nrf/boards/pca10028/mpconfigboard.h
index 1061e6bb9d..5488b4ba53 100644
--- a/ports/nrf/boards/pca10028/mpconfigboard.h
+++ b/ports/nrf/boards/pca10028/mpconfigboard.h
@@ -35,7 +35,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (4)
diff --git a/ports/nrf/boards/pca10031/mpconfigboard.h b/ports/nrf/boards/pca10031/mpconfigboard.h
index 6bcf2153e2..f16ffd7057 100644
--- a/ports/nrf/boards/pca10031/mpconfigboard.h
+++ b/ports/nrf/boards/pca10031/mpconfigboard.h
@@ -35,7 +35,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_TRICOLOR     (1)
diff --git a/ports/nrf/boards/pca10040/mpconfigboard.h b/ports/nrf/boards/pca10040/mpconfigboard.h
index 82b74d9284..1dd01d66a0 100644
--- a/ports/nrf/boards/pca10040/mpconfigboard.h
+++ b/ports/nrf/boards/pca10040/mpconfigboard.h
@@ -36,7 +36,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (4)
diff --git a/ports/nrf/boards/pca10056/mpconfigboard.h b/ports/nrf/boards/pca10056/mpconfigboard.h
index e430c38a29..c037e2ecf5 100644
--- a/ports/nrf/boards/pca10056/mpconfigboard.h
+++ b/ports/nrf/boards/pca10056/mpconfigboard.h
@@ -36,7 +36,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (1)
 #define MICROPY_HW_LED_COUNT        (4)
diff --git a/ports/nrf/boards/pca10059/mpconfigboard.h b/ports/nrf/boards/pca10059/mpconfigboard.h
index 08fda1bb29..3db599f2c3 100644
--- a/ports/nrf/boards/pca10059/mpconfigboard.h
+++ b/ports/nrf/boards/pca10059/mpconfigboard.h
@@ -36,7 +36,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_USB_CDC          (1)
 
diff --git a/ports/nrf/boards/pca10090/mpconfigboard.h b/ports/nrf/boards/pca10090/mpconfigboard.h
index 92bb61d695..e4e5142909 100644
--- a/ports/nrf/boards/pca10090/mpconfigboard.h
+++ b/ports/nrf/boards/pca10090/mpconfigboard.h
@@ -38,7 +38,6 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (0)
 #define MICROPY_PY_MACHINE_TEMP     (0)
-#define MICROPY_PY_RANDOM_HW_RNG    (0)
 
 #define MICROPY_MBFS                (0)
 
diff --git a/ports/nrf/boards/wt51822_s4at/mpconfigboard.h b/ports/nrf/boards/wt51822_s4at/mpconfigboard.h
index 4bc2b153d0..8117bbd2a6 100644
--- a/ports/nrf/boards/wt51822_s4at/mpconfigboard.h
+++ b/ports/nrf/boards/wt51822_s4at/mpconfigboard.h
@@ -37,7 +37,8 @@
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 #define MICROPY_PY_MACHINE_TEMP     (1)
-#define MICROPY_PY_RANDOM_HW_RNG    (1)
+
+#define MICROPY_HW_ENABLE_RNG       (1)
 
 #define MICROPY_HW_HAS_LED          (0)
 
diff --git a/ports/nrf/drivers/rng.c b/ports/nrf/drivers/rng.c
index 05e9f951f2..8234709f81 100644
--- a/ports/nrf/drivers/rng.c
+++ b/ports/nrf/drivers/rng.c
@@ -27,7 +27,7 @@
 
 #include "py/mpconfig.h"
 
-#if MICROPY_PY_RANDOM_HW_RNG
+#if MICROPY_HW_ENABLE_RNG
 
 #include "nrf_rng.h"
 #include "drivers/rng.h"
@@ -76,4 +76,4 @@ uint32_t rng_generate_random_word(void) {
     return generate_hw_random();
 }
 
-#endif // MICROPY_PY_RANDOM_HW_RNG
+#endif // MICROPY_HW_ENABLE_RNG
diff --git a/ports/nrf/modules/machine/modmachine.c b/ports/nrf/modules/machine/modmachine.c
index 7620d1fc0e..48730c849f 100644
--- a/ports/nrf/modules/machine/modmachine.c
+++ b/ports/nrf/modules/machine/modmachine.c
@@ -196,9 +196,6 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_soft_reset),         MP_ROM_PTR(&machine_soft_reset_obj) },
     { MP_ROM_QSTR(MP_QSTR_enable_irq),         MP_ROM_PTR(&machine_enable_irq_obj) },
     { MP_ROM_QSTR(MP_QSTR_disable_irq),        MP_ROM_PTR(&machine_disable_irq_obj) },
-#if MICROPY_HW_ENABLE_RNG
-    { MP_ROM_QSTR(MP_QSTR_rng),                MP_ROM_PTR(&random_module) },
-#endif
     { MP_ROM_QSTR(MP_QSTR_sleep),              MP_ROM_PTR(&machine_lightsleep_obj) },
     { MP_ROM_QSTR(MP_QSTR_lightsleep),         MP_ROM_PTR(&machine_lightsleep_obj) },
     { MP_ROM_QSTR(MP_QSTR_deepsleep),          MP_ROM_PTR(&machine_deepsleep_obj) },
diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index b8467f5071..f0cc68ae23 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -174,10 +174,6 @@
 #define MICROPY_PY_MACHINE_RTCOUNTER (0)
 #endif
 
-#ifndef MICROPY_PY_RANDOM_HW_RNG
-#define MICROPY_PY_RANDOM_HW_RNG    (0)
-#endif
-
 
 #define MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF   (1)
 #define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE  (0)