diff --git a/ports/nrf/main.c b/ports/nrf/main.c
index bcfaafd39..989db58b3 100644
--- a/ports/nrf/main.c
+++ b/ports/nrf/main.c
@@ -170,7 +170,7 @@ soft_reset:
             MP_OBJ_NEW_SMALL_INT(0),
             MP_OBJ_NEW_SMALL_INT(115200),
         };
-        MP_STATE_PORT(board_stdio_uart) = MP_OBJ_TYPE_GET_SLOT(&machine_hard_uart_type, make_new)((mp_obj_t)&machine_hard_uart_type, MP_ARRAY_SIZE(args), 0, args);
+        MP_STATE_PORT(board_stdio_uart) = MP_OBJ_TYPE_GET_SLOT(&machine_uart_type, make_new)((mp_obj_t)&machine_uart_type, MP_ARRAY_SIZE(args), 0, args);
     }
     #endif
 
diff --git a/ports/nrf/modules/machine/i2c.c b/ports/nrf/modules/machine/i2c.c
index c16c3669e..ac331b8d7 100644
--- a/ports/nrf/modules/machine/i2c.c
+++ b/ports/nrf/modules/machine/i2c.c
@@ -69,8 +69,8 @@ typedef struct _machine_hard_i2c_obj_t {
 } machine_hard_i2c_obj_t;
 
 STATIC const machine_hard_i2c_obj_t machine_hard_i2c_obj[] = {
-    {{&machine_hard_i2c_type}, .p_twi = NRFX_TWI_INSTANCE(0)},
-    {{&machine_hard_i2c_type}, .p_twi = NRFX_TWI_INSTANCE(1)},
+    {{&machine_i2c_type}, .p_twi = NRFX_TWI_INSTANCE(0)},
+    {{&machine_i2c_type}, .p_twi = NRFX_TWI_INSTANCE(1)},
 };
 
 void i2c_init0(void) {
@@ -162,7 +162,7 @@ STATIC const mp_machine_i2c_p_t machine_hard_i2c_p = {
 };
 
 MP_DEFINE_CONST_OBJ_TYPE(
-    machine_hard_i2c_type,
+    machine_i2c_type,
     MP_QSTR_I2C,
     MP_TYPE_FLAG_NONE,
     make_new, machine_hard_i2c_make_new,
diff --git a/ports/nrf/modules/machine/i2c.h b/ports/nrf/modules/machine/i2c.h
index 1dfb1f077..5c5befc28 100644
--- a/ports/nrf/modules/machine/i2c.h
+++ b/ports/nrf/modules/machine/i2c.h
@@ -29,7 +29,7 @@
 
 #include "extmod/machine_i2c.h"
 
-extern const mp_obj_type_t machine_hard_i2c_type;
+extern const mp_obj_type_t machine_i2c_type;
 
 void i2c_init0(void);
 
diff --git a/ports/nrf/modules/machine/modmachine.c b/ports/nrf/modules/machine/modmachine.c
index d322e4506..d315582ae 100644
--- a/ports/nrf/modules/machine/modmachine.c
+++ b/ports/nrf/modules/machine/modmachine.c
@@ -217,13 +217,13 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_mem32),              MP_ROM_PTR(&machine_mem32_obj) },
     
 #if MICROPY_PY_MACHINE_UART
-    { MP_ROM_QSTR(MP_QSTR_UART),               MP_ROM_PTR(&machine_hard_uart_type) },
+    { MP_ROM_QSTR(MP_QSTR_UART),               MP_ROM_PTR(&machine_uart_type) },
 #endif
 #if MICROPY_PY_MACHINE_HW_SPI
-    { MP_ROM_QSTR(MP_QSTR_SPI),                MP_ROM_PTR(&machine_hard_spi_type) },
+    { MP_ROM_QSTR(MP_QSTR_SPI),                MP_ROM_PTR(&machine_spi_type) },
 #endif
 #if MICROPY_PY_MACHINE_I2C
-    { MP_ROM_QSTR(MP_QSTR_I2C),                MP_ROM_PTR(&machine_hard_i2c_type) },
+    { MP_ROM_QSTR(MP_QSTR_I2C),                MP_ROM_PTR(&machine_i2c_type) },
     { MP_ROM_QSTR(MP_QSTR_SoftI2C),            MP_ROM_PTR(&mp_machine_soft_i2c_type) },
 #endif
 #if MICROPY_PY_MACHINE_ADC
@@ -236,7 +236,7 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_Timer),              MP_ROM_PTR(&machine_timer_type) },
 #endif
 #if MICROPY_PY_MACHINE_HW_PWM
-    { MP_ROM_QSTR(MP_QSTR_PWM),                MP_ROM_PTR(&machine_hard_pwm_type) },
+    { MP_ROM_QSTR(MP_QSTR_PWM),                MP_ROM_PTR(&machine_pwm_type) },
 #endif
 #if MICROPY_PY_MACHINE_TEMP
     { MP_ROM_QSTR(MP_QSTR_Temp),               MP_ROM_PTR(&machine_temp_type) },
diff --git a/ports/nrf/modules/machine/pwm.c b/ports/nrf/modules/machine/pwm.c
index 862e1907c..7c84a8c88 100644
--- a/ports/nrf/modules/machine/pwm.c
+++ b/ports/nrf/modules/machine/pwm.c
@@ -77,11 +77,11 @@ STATIC machine_pwm_config_t hard_configs[MP_ARRAY_SIZE(machine_hard_pwm_instance
 
 STATIC const machine_hard_pwm_obj_t machine_hard_pwm_obj[] = {
 #if defined(NRF52_SERIES)
-    {{&machine_hard_pwm_type}, .p_pwm = &machine_hard_pwm_instances[0], .p_config = &hard_configs[0]},
-    {{&machine_hard_pwm_type}, .p_pwm = &machine_hard_pwm_instances[1], .p_config = &hard_configs[1]},
-    {{&machine_hard_pwm_type}, .p_pwm = &machine_hard_pwm_instances[2], .p_config = &hard_configs[2]},
+    {{&machine_pwm_type}, .p_pwm = &machine_hard_pwm_instances[0], .p_config = &hard_configs[0]},
+    {{&machine_pwm_type}, .p_pwm = &machine_hard_pwm_instances[1], .p_config = &hard_configs[1]},
+    {{&machine_pwm_type}, .p_pwm = &machine_hard_pwm_instances[2], .p_config = &hard_configs[2]},
 #if NRF52840
-    {{&machine_hard_pwm_type}, .p_pwm = &machine_hard_pwm_instances[3], .p_config = &hard_configs[3]},
+    {{&machine_pwm_type}, .p_pwm = &machine_hard_pwm_instances[3], .p_config = &hard_configs[3]},
 #endif
 #endif
 };
@@ -155,7 +155,7 @@ STATIC mp_obj_t machine_pwm_init(size_t n_args, const mp_obj_t *pos_args, mp_map
     mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
     // dispatch to specific implementation
-    if (mp_obj_get_type(self) == &machine_hard_pwm_type) {
+    if (mp_obj_get_type(self) == &machine_pwm_type) {
         machine_hard_pwm_init(self, args);
     }
 
@@ -165,7 +165,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_pwm_init_obj, 1, machine_pwm_init);
 
 STATIC mp_obj_t machine_pwm_deinit(mp_obj_t self) {
     // dispatch to specific implementation
-    if (mp_obj_get_type(self) == &machine_hard_pwm_type) {
+    if (mp_obj_get_type(self) == &machine_pwm_type) {
         machine_hard_pwm_deinit(self);
     }
     return mp_const_none;
@@ -182,7 +182,7 @@ STATIC mp_obj_t machine_pwm_freq(size_t n_args, const mp_obj_t *pos_args, mp_map
     mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
     mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
-    if (mp_obj_get_type(self) == &machine_hard_pwm_type) {
+    if (mp_obj_get_type(self) == &machine_pwm_type) {
         machine_hard_pwm_freq(self, args);
     } else {
         // soft pwm
@@ -340,7 +340,7 @@ STATIC mp_obj_t machine_hard_pwm_freq(mp_obj_t self_in, mp_arg_val_t *args) {
 }
 
 MP_DEFINE_CONST_OBJ_TYPE(
-    machine_hard_pwm_type,
+    machine_pwm_type,
     MP_QSTR_PWM,
     MP_TYPE_FLAG_NONE,
     make_new, machine_pwm_make_new,
diff --git a/ports/nrf/modules/machine/pwm.h b/ports/nrf/modules/machine/pwm.h
index 7a5b72e0e..ab2d927fa 100644
--- a/ports/nrf/modules/machine/pwm.h
+++ b/ports/nrf/modules/machine/pwm.h
@@ -26,4 +26,4 @@
 
 void pwm_init0(void);
 
-extern const mp_obj_type_t machine_hard_pwm_type;
+extern const mp_obj_type_t machine_pwm_type;
diff --git a/ports/nrf/modules/machine/spi.c b/ports/nrf/modules/machine/spi.c
index fd7f7bb5b..0dee20027 100644
--- a/ports/nrf/modules/machine/spi.c
+++ b/ports/nrf/modules/machine/spi.c
@@ -117,12 +117,12 @@ STATIC const nrfx_spi_t machine_spi_instances[] = {
 STATIC nrfx_spi_config_t configs[MP_ARRAY_SIZE(machine_spi_instances)];
 
 STATIC const machine_hard_spi_obj_t machine_hard_spi_obj[] = {
-    {{&machine_hard_spi_type}, .p_spi = &machine_spi_instances[0], .p_config = &configs[0]},
-    {{&machine_hard_spi_type}, .p_spi = &machine_spi_instances[1], .p_config = &configs[1]},
+    {{&machine_spi_type}, .p_spi = &machine_spi_instances[0], .p_config = &configs[0]},
+    {{&machine_spi_type}, .p_spi = &machine_spi_instances[1], .p_config = &configs[1]},
 #if defined(NRF52_SERIES)
-    {{&machine_hard_spi_type}, .p_spi = &machine_spi_instances[2], .p_config = &configs[2]},
+    {{&machine_spi_type}, .p_spi = &machine_spi_instances[2], .p_config = &configs[2]},
 #if defined(NRF52840_XXAA) && NRFX_SPIM_ENABLED
-    {{&machine_hard_spi_type}, .p_spi = &machine_spi_instances[3], .p_config = &configs[3]},
+    {{&machine_spi_type}, .p_spi = &machine_spi_instances[3], .p_config = &configs[3]},
 #endif // NRF52840_XXAA && NRFX_SPIM_ENABLED
 #endif // NRF52_SERIES
 };
@@ -235,7 +235,7 @@ STATIC mp_obj_t machine_spi_init(size_t n_args, const mp_obj_t *pos_args, mp_map
     mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
     // dispatch to specific implementation
-    if (mp_obj_get_type(self) == &machine_hard_spi_type) {
+    if (mp_obj_get_type(self) == &machine_spi_type) {
         machine_hard_spi_init(self, args);
     }
 
@@ -245,7 +245,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_spi_init_obj, 1, machine_spi_init);
 
 STATIC mp_obj_t machine_spi_deinit(mp_obj_t self) {
     // dispatch to specific implementation
-    if (mp_obj_get_type(self) == &machine_hard_spi_type) {
+    if (mp_obj_get_type(self) == &machine_spi_type) {
         machine_hard_spi_deinit(self);
     }
     return mp_const_none;
@@ -428,7 +428,7 @@ STATIC const mp_machine_spi_p_t machine_hard_spi_p = {
 };
 
 MP_DEFINE_CONST_OBJ_TYPE(
-    machine_hard_spi_type,
+    machine_spi_type,
     MP_QSTR_SPI,
     MP_TYPE_FLAG_NONE,
     make_new, machine_spi_make_new,
diff --git a/ports/nrf/modules/machine/spi.h b/ports/nrf/modules/machine/spi.h
index c6f64a19d..e1505781a 100644
--- a/ports/nrf/modules/machine/spi.h
+++ b/ports/nrf/modules/machine/spi.h
@@ -27,7 +27,7 @@
 #include "py/obj.h"
 
 typedef struct _machine_hard_spi_obj_t machine_hard_spi_obj_t;
-extern const mp_obj_type_t machine_hard_spi_type;
+extern const mp_obj_type_t machine_spi_type;
 
 void spi_init0(void);
 void spi_transfer(const machine_hard_spi_obj_t * self,
diff --git a/ports/nrf/modules/machine/uart.c b/ports/nrf/modules/machine/uart.c
index 035a30df9..eee5b8b79 100644
--- a/ports/nrf/modules/machine/uart.c
+++ b/ports/nrf/modules/machine/uart.c
@@ -106,7 +106,7 @@ static const nrfx_uart_t instance0 = NRFX_UART_INSTANCE(0);
 STATIC machine_hard_uart_buf_t machine_hard_uart_buf[1];
 
 STATIC const machine_hard_uart_obj_t machine_hard_uart_obj[] = {
-    {{&machine_hard_uart_type}, .p_uart = &instance0, .buf = &machine_hard_uart_buf[0]},
+    {{&machine_uart_type}, .p_uart = &instance0, .buf = &machine_hard_uart_buf[0]},
 };
 
 void uart_init0(void) {
@@ -371,7 +371,7 @@ STATIC const mp_stream_p_t uart_stream_p = {
 };
 
 MP_DEFINE_CONST_OBJ_TYPE(
-    machine_hard_uart_type,
+    machine_uart_type,
     MP_QSTR_UART,
     MP_TYPE_FLAG_ITER_IS_STREAM,
     make_new, machine_hard_uart_make_new,
diff --git a/ports/nrf/modules/machine/uart.h b/ports/nrf/modules/machine/uart.h
index 121f83cd3..d3e23645b 100644
--- a/ports/nrf/modules/machine/uart.h
+++ b/ports/nrf/modules/machine/uart.h
@@ -32,7 +32,7 @@
 #include "genhdr/pins.h"
 
 typedef struct _machine_hard_uart_obj_t machine_hard_uart_obj_t;
-extern const mp_obj_type_t machine_hard_uart_type;
+extern const mp_obj_type_t machine_uart_type;
 
 void uart_init0(void);
 void uart_deinit(void);
diff --git a/ports/nrf/modules/uos/moduos.c b/ports/nrf/modules/uos/moduos.c
index 3fdd8eb19..402096aac 100644
--- a/ports/nrf/modules/uos/moduos.c
+++ b/ports/nrf/modules/uos/moduos.c
@@ -126,7 +126,7 @@ STATIC mp_obj_t os_dupterm(mp_uint_t n_args, const mp_obj_t *args) {
     } else {
         if (args[0] == mp_const_none) {
             MP_STATE_PORT(board_stdio_uart) = NULL;
-        } else if (mp_obj_get_type(args[0]) == &machine_hard_uart_type) {
+        } else if (mp_obj_get_type(args[0]) == &machine_uart_type) {
             MP_STATE_PORT(board_stdio_uart) = args[0];
         } else {
             mp_raise_ValueError(MP_ERROR_TEXT("need a UART object"));