diff --git a/ports/samd/Makefile b/ports/samd/Makefile
index 7e5c334e66..6dd71bd93f 100644
--- a/ports/samd/Makefile
+++ b/ports/samd/Makefile
@@ -119,6 +119,7 @@ SRC_C += \
 	tusb_port.c \
 
 SHARED_SRC_C += \
+	drivers/dht/dht.c \
 	shared/runtime/mpirq.c \
 	shared/libc/printf.c \
 	shared/libc/string0.c \
diff --git a/ports/samd/mcu/samd51/mpconfigmcu.h b/ports/samd/mcu/samd51/mpconfigmcu.h
index 1569e5624d..399b48c040 100644
--- a/ports/samd/mcu/samd51/mpconfigmcu.h
+++ b/ports/samd/mcu/samd51/mpconfigmcu.h
@@ -25,8 +25,6 @@
 #define MICROPY_PY_CMATH                (0)
 #endif
 
-#define MICROPY_PY_MACHINE_DHT_READINTO (1)
-#define MICROPY_PY_ONEWIRE              (1)
 #define MICROPY_PY_OS_SYNC              (1)
 #define MICROPY_PY_OS_URANDOM           (1)
 #define MICROPY_PY_RANDOM_SEED_INIT_FUNC (trng_random_u32())
diff --git a/ports/samd/mcu/samd51/mpconfigmcu.mk b/ports/samd/mcu/samd51/mpconfigmcu.mk
index 0e662a1705..c706331aca 100644
--- a/ports/samd/mcu/samd51/mpconfigmcu.mk
+++ b/ports/samd/mcu/samd51/mpconfigmcu.mk
@@ -12,4 +12,3 @@ SRC_S += shared/runtime/gchelper_thumb2.s
 
 SRC_C += \
 	fatfs_port.c \
-	drivers/dht/dht.c \
diff --git a/ports/samd/mpconfigport.h b/ports/samd/mpconfigport.h
index 7bf4acb84e..f3fe38d764 100644
--- a/ports/samd/mpconfigport.h
+++ b/ports/samd/mpconfigport.h
@@ -127,6 +127,8 @@
 #define MICROPY_PY_MACHINE_PWM_INCLUDEFILE  "ports/samd/machine_pwm.c"
 #endif
 #define MICROPY_PY_MACHINE_PIN_MAKE_NEW     mp_pin_make_new
+#define MICROPY_PY_MACHINE_DHT_READINTO     (1)
+#define MICROPY_PY_ONEWIRE                  (1)
 
 #define MP_STATE_PORT MP_STATE_VM