diff --git a/drivers/serial/uart_mcux_flexcomm.c b/drivers/serial/uart_mcux_flexcomm.c
index bba081ff486..034bdc8707e 100644
--- a/drivers/serial/uart_mcux_flexcomm.c
+++ b/drivers/serial/uart_mcux_flexcomm.c
@@ -290,9 +290,9 @@ static void mcux_flexcomm_config_func_0(struct device *dev);
 #endif
 
 static const struct mcux_flexcomm_config mcux_flexcomm_0_config = {
-	.base = (USART_Type *)DT_USART_MCUX_LPC_0_BASE_ADDRESS,
+	.base = (USART_Type *)DT_NXP_LPC_USART_USART_0_BASE_ADDRESS,
 	.clock_source = 0,
-	.baud_rate = DT_USART_MCUX_LPC_0_BAUD_RATE,
+	.baud_rate = DT_NXP_LPC_USART_USART_0_CURRENT_SPEED,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = mcux_flexcomm_config_func_0,
 #endif
@@ -300,7 +300,7 @@ static const struct mcux_flexcomm_config mcux_flexcomm_0_config = {
 
 static struct mcux_flexcomm_data mcux_flexcomm_0_data;
 
-DEVICE_AND_API_INIT(usart_0, DT_USART_MCUX_LPC_0_NAME,
+DEVICE_AND_API_INIT(usart_0, DT_NXP_LPC_USART_USART_0_LABEL,
 		    &mcux_flexcomm_init,
 		    &mcux_flexcomm_0_data, &mcux_flexcomm_0_config,
 		    PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
@@ -309,11 +309,11 @@ DEVICE_AND_API_INIT(usart_0, DT_USART_MCUX_LPC_0_NAME,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void mcux_flexcomm_config_func_0(struct device *dev)
 {
-	IRQ_CONNECT(DT_USART_MCUX_LPC_0_IRQ,
-		    DT_USART_MCUX_LPC_0_IRQ_PRI,
+	IRQ_CONNECT(DT_NXP_LPC_USART_USART_0_IRQ_0,
+		    DT_NXP_LPC_USART_USART_0_IRQ_0_PRIORITY,
 		    mcux_flexcomm_isr, DEVICE_GET(usart_0), 0);
 
-	irq_enable(DT_USART_MCUX_LPC_0_IRQ);
+	irq_enable(DT_NXP_LPC_USART_USART_0_IRQ_0);
 }
 #endif
 
diff --git a/soc/arm/nxp_lpc/lpc54xxx/dts_fixup.h b/soc/arm/nxp_lpc/lpc54xxx/dts_fixup.h
index e44e5e3585a..eff661d0e02 100644
--- a/soc/arm/nxp_lpc/lpc54xxx/dts_fixup.h
+++ b/soc/arm/nxp_lpc/lpc54xxx/dts_fixup.h
@@ -12,12 +12,6 @@
 #define DT_NUM_IRQ_PRIO_BITS		DT_ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
 #endif
 
-#define DT_USART_MCUX_LPC_0_BASE_ADDRESS	DT_NXP_LPC_USART_40086000_BASE_ADDRESS
-#define DT_USART_MCUX_LPC_0_BAUD_RATE	DT_NXP_LPC_USART_40086000_CURRENT_SPEED
-#define DT_USART_MCUX_LPC_0_IRQ	        DT_NXP_LPC_USART_40086000_IRQ_0
-#define DT_USART_MCUX_LPC_0_IRQ_PRI	        DT_NXP_LPC_USART_40086000_IRQ_0_PRIORITY
-#define DT_USART_MCUX_LPC_0_NAME	        DT_NXP_LPC_USART_40086000_LABEL
-
 #define DT_MAILBOX_MCUX_MAILBOX_0_IRQ	DT_NXP_LPC_MAILBOX_4008B000_IRQ_0
 #define DT_MAILBOX_MCUX_MAILBOX_0_IRQ_PRI	DT_NXP_LPC_MAILBOX_4008B000_IRQ_0_PRIORITY
 #define DT_MAILBOX_MCUX_MAILBOX_0_NAME	DT_NXP_LPC_MAILBOX_4008B000_LABEL
diff --git a/soc/arm/nxp_lpc/lpc55xxx/dts_fixup.h b/soc/arm/nxp_lpc/lpc55xxx/dts_fixup.h
index cb8e1f3dc0b..ff76431e789 100644
--- a/soc/arm/nxp_lpc/lpc55xxx/dts_fixup.h
+++ b/soc/arm/nxp_lpc/lpc55xxx/dts_fixup.h
@@ -8,10 +8,4 @@
 
 #define DT_NUM_IRQ_PRIO_BITS DT_ARM_V8M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
 
-#define DT_USART_MCUX_LPC_0_BASE_ADDRESS DT_NXP_LPC_USART_50086000_BASE_ADDRESS
-#define DT_USART_MCUX_LPC_0_BAUD_RATE   DT_NXP_LPC_USART_50086000_CURRENT_SPEED
-#define DT_USART_MCUX_LPC_0_IRQ     DT_NXP_LPC_USART_50086000_IRQ_0
-#define DT_USART_MCUX_LPC_0_IRQ_PRI DT_NXP_LPC_USART_50086000_IRQ_0_PRIORITY
-#define DT_USART_MCUX_LPC_0_NAME    DT_NXP_LPC_USART_50086000_LABEL
-
 /* End of SoC Level DTS fixup file */