diff --git a/ports/nrf/modules/machine/modmachine.c b/ports/nrf/modules/machine/modmachine.c
index 3330349cd5..7e45b83df8 100644
--- a/ports/nrf/modules/machine/modmachine.c
+++ b/ports/nrf/modules/machine/modmachine.c
@@ -201,6 +201,10 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_deepsleep),          MP_ROM_PTR(&machine_deepsleep_obj) },
     { MP_ROM_QSTR(MP_QSTR_reset_cause),        MP_ROM_PTR(&machine_reset_cause_obj) },
     { MP_ROM_QSTR(MP_QSTR_Pin),                MP_ROM_PTR(&pin_type) },
+    { MP_ROM_QSTR(MP_QSTR_mem8),               MP_ROM_PTR(&machine_mem8_obj) },
+    { MP_ROM_QSTR(MP_QSTR_mem16),              MP_ROM_PTR(&machine_mem16_obj) },
+    { 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) },
 #endif
diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index c246c53dd5..714b1cc24f 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -44,8 +44,6 @@
 #endif
 #define MICROPY_ALLOC_PATH_MAX      (512)
 #define MICROPY_PERSISTENT_CODE_LOAD (0)
-#define MICROPY_EMIT_THUMB          (0)
-#define MICROPY_EMIT_INLINE_THUMB   (0)
 #define MICROPY_COMP_MODULE_CONST   (0)
 #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (0)
 #define MICROPY_READER_VFS          (MICROPY_VFS)
@@ -123,7 +121,6 @@
 #define MICROPY_PY_CMATH            (0)
 #define MICROPY_PY_IO               (0)
 #define MICROPY_PY_IO_FILEIO        (0)
-#define MICROPY_PY_UERRNO           (0)
 #define MICROPY_PY_URANDOM          (1)
 #define MICROPY_PY_URANDOM_EXTRA_FUNCS (1)
 #define MICROPY_PY_UCTYPES          (0)
@@ -131,7 +128,6 @@
 #define MICROPY_PY_UJSON            (0)
 #define MICROPY_PY_URE              (0)
 #define MICROPY_PY_UHEAPQ           (0)
-#define MICROPY_PY_UHASHLIB         (0)
 #define MICROPY_PY_UTIME_MP_HAL     (1)
 #define MICROPY_PY_MACHINE          (1)
 #define MICROPY_PY_MACHINE_PULSE    (0)