diff --git a/drivers/ieee802154/Kconfig.mcr20a b/drivers/ieee802154/Kconfig.mcr20a
index 8c359e41f14..fa95403b119 100644
--- a/drivers/ieee802154/Kconfig.mcr20a
+++ b/drivers/ieee802154/Kconfig.mcr20a
@@ -9,12 +9,6 @@ menuconfig IEEE802154_MCR20A
 
 if IEEE802154_MCR20A
 
-config IEEE802154_MCR20A_DRV_NAME
-	string "NXP MCR20A Driver's name"
-	default "mcr20a"
-	help
-	  This option sets the driver name
-
 config MCR20A_IS_PART_OF_KW2XD_SIP
 	bool "MCR20A device is part of KW2xD SiP"
 	help
diff --git a/drivers/ieee802154/ieee802154_mcr20a.c b/drivers/ieee802154/ieee802154_mcr20a.c
index a123fa8fc13..a2c744bf6ca 100644
--- a/drivers/ieee802154/ieee802154_mcr20a.c
+++ b/drivers/ieee802154/ieee802154_mcr20a.c
@@ -1477,15 +1477,12 @@ static struct ieee802154_radio_api mcr20a_radio_api = {
 };
 
 #if defined(CONFIG_IEEE802154_RAW_MODE)
-DEVICE_DEFINE(mcr20a, CONFIG_IEEE802154_MCR20A_DRV_NAME,
-		mcr20a_init, NULL, &mcr20a_context_data, NULL,
-		POST_KERNEL, CONFIG_IEEE802154_MCR20A_INIT_PRIO,
-		&mcr20a_radio_api);
+DEVICE_DT_INST_DEFINE(0, mcr20a_init, NULL, &mcr20a_context_data, NULL,
+		      POST_KERNEL, CONFIG_IEEE802154_MCR20A_INIT_PRIO,
+		      &mcr20a_radio_api);
 #else
-NET_DEVICE_INIT(mcr20a, CONFIG_IEEE802154_MCR20A_DRV_NAME,
-		mcr20a_init, NULL, &mcr20a_context_data, NULL,
-		CONFIG_IEEE802154_MCR20A_INIT_PRIO,
-		&mcr20a_radio_api, IEEE802154_L2,
-		NET_L2_GET_CTX_TYPE(IEEE802154_L2),
-		MCR20A_PSDU_LENGTH);
+NET_DEVICE_DT_INST_DEFINE(0, mcr20a_init, NULL, &mcr20a_context_data, NULL,
+			  CONFIG_IEEE802154_MCR20A_INIT_PRIO, &mcr20a_radio_api,
+			  IEEE802154_L2, NET_L2_GET_CTX_TYPE(IEEE802154_L2),
+			  MCR20A_PSDU_LENGTH);
 #endif
diff --git a/tests/net/all/prj.conf b/tests/net/all/prj.conf
index a1d9ca63d53..9dc78b0aa8d 100644
--- a/tests/net/all/prj.conf
+++ b/tests/net/all/prj.conf
@@ -448,7 +448,6 @@ CONFIG_NET_DEBUG_L2_IEEE802154_DISPLAY_PACKET_TX=y
 #CONFIG_IEEE802154_KW41Z=y
 
 #CONFIG_SPI=y
-#CONFIG_IEEE802154_MCR20A_DRV_NAME="MCR20A2"
 #CONFIG_IEEE802154_MCR20A_INIT_PRIO=90
 #CONFIG_IEEE802154_MCR20A=y
 #CONFIG_IEEE802154_MCR20A_RX_STACK_SIZE=1024