diff --git a/drivers/ninaw10/nina_wifi_bsp.c b/drivers/ninaw10/nina_wifi_bsp.c
index d11e13970..a65ef7fd8 100644
--- a/drivers/ninaw10/nina_wifi_bsp.c
+++ b/drivers/ninaw10/nina_wifi_bsp.c
@@ -150,8 +150,4 @@ int nina_bsp_spi_transfer(const uint8_t *tx_buf, uint8_t *rx_buf, uint32_t size)
     return 0;
 }
 
-MP_REGISTER_ROOT_POINTER(struct _machine_spi_obj_t *mp_wifi_spi);
-MP_REGISTER_ROOT_POINTER(struct _machine_timer_obj_t *mp_wifi_timer);
-MP_REGISTER_ROOT_POINTER(struct _mp_obj_list_t *mp_wifi_sockpoll_list);
-
 #endif // MICROPY_PY_NETWORK_NINAW10
diff --git a/extmod/network_ninaw10.c b/extmod/network_ninaw10.c
index 622e29ba6..4014a71c1 100644
--- a/extmod/network_ninaw10.c
+++ b/extmod/network_ninaw10.c
@@ -797,4 +797,8 @@ const mod_network_nic_type_t mod_network_nic_type_nina = {
     .ioctl = network_ninaw10_socket_ioctl,
 };
 
+MP_REGISTER_ROOT_POINTER(struct _machine_spi_obj_t *mp_wifi_spi);
+MP_REGISTER_ROOT_POINTER(struct _machine_timer_obj_t *mp_wifi_timer);
+MP_REGISTER_ROOT_POINTER(struct _mp_obj_list_t *mp_wifi_sockpoll_list);
+
 #endif // #if MICROPY_PY_BLUETOOTH && MICROPY_PY_NETWORK_NINAW10
diff --git a/ports/rp2/mpconfigport.h b/ports/rp2/mpconfigport.h
index 14748a763..d07c1015e 100644
--- a/ports/rp2/mpconfigport.h
+++ b/ports/rp2/mpconfigport.h
@@ -176,7 +176,6 @@ extern const struct _mp_obj_type_t mp_network_cyw43_type;
 #ifndef MICROPY_PY_USOCKET_EXTENDED_STATE
 #define MICROPY_PY_USOCKET_EXTENDED_STATE   (1)
 #endif
-// It also requires an additional root pointer for the SPI object.
 extern const struct _mod_network_nic_type_t mod_network_nic_type_nina;
 #define MICROPY_HW_NIC_NINAW10              { MP_ROM_QSTR(MP_QSTR_WLAN), MP_ROM_PTR(&mod_network_nic_type_nina) },
 #else