diff --git a/drivers/serial/uart_mcux_lpsci.c b/drivers/serial/uart_mcux_lpsci.c
index f3c79f53df..2573f4bc16 100644
--- a/drivers/serial/uart_mcux_lpsci.c
+++ b/drivers/serial/uart_mcux_lpsci.c
@@ -290,10 +290,10 @@ static void mcux_lpsci_config_func_0(struct device *dev);
 
 static const struct mcux_lpsci_config mcux_lpsci_0_config = {
 	.base = UART0,
-	.clock_name = DT_UART_MCUX_LPSCI_0_CLOCK_NAME,
+	.clock_name = DT_NXP_KINETIS_LPSCI_UART_0_CLOCK_CONTROLLER,
 	.clock_subsys =
-		(clock_control_subsys_t)DT_UART_MCUX_LPSCI_0_CLOCK_SUBSYS,
-	.baud_rate = DT_NXP_KINETIS_LPSCI_4006A000_CURRENT_SPEED,
+		(clock_control_subsys_t)DT_NXP_KINETIS_LPSCI_UART_0_CLOCK_NAME,
+	.baud_rate = DT_NXP_KINETIS_LPSCI_UART_0_CURRENT_SPEED,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.irq_config_func = mcux_lpsci_config_func_0,
 #endif
@@ -301,7 +301,7 @@ static const struct mcux_lpsci_config mcux_lpsci_0_config = {
 
 static struct mcux_lpsci_data mcux_lpsci_0_data;
 
-DEVICE_AND_API_INIT(uart_0, DT_UART_MCUX_LPSCI_0_NAME,
+DEVICE_AND_API_INIT(uart_0, DT_NXP_KINETIS_LPSCI_UART_0_LABEL,
 		    &mcux_lpsci_init,
 		    &mcux_lpsci_0_data, &mcux_lpsci_0_config,
 		    PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
@@ -310,11 +310,11 @@ DEVICE_AND_API_INIT(uart_0, DT_UART_MCUX_LPSCI_0_NAME,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 static void mcux_lpsci_config_func_0(struct device *dev)
 {
-	IRQ_CONNECT(DT_NXP_KINETIS_LPSCI_4006A000_IRQ_0,
-		    DT_NXP_KINETIS_LPSCI_4006A000_IRQ_0_PRIORITY,
+	IRQ_CONNECT(DT_NXP_KINETIS_LPSCI_UART_0_IRQ_0,
+		    DT_NXP_KINETIS_LPSCI_UART_0_IRQ_0_PRIORITY,
 		    mcux_lpsci_isr, DEVICE_GET(uart_0), 0);
 
-	irq_enable(DT_NXP_KINETIS_LPSCI_4006A000_IRQ_0);
+	irq_enable(DT_NXP_KINETIS_LPSCI_UART_0_IRQ_0);
 }
 #endif
 
diff --git a/soc/arm/nxp_kinetis/kl2x/dts_fixup.h b/soc/arm/nxp_kinetis/kl2x/dts_fixup.h
index 5c6b3834ba..09998933eb 100644
--- a/soc/arm/nxp_kinetis/kl2x/dts_fixup.h
+++ b/soc/arm/nxp_kinetis/kl2x/dts_fixup.h
@@ -2,9 +2,6 @@
 
 /* SoC level DTS fixup file */
 #define DT_NUM_IRQ_PRIO_BITS		DT_ARM_V6M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
-#define DT_UART_MCUX_LPSCI_0_NAME		DT_NXP_KINETIS_LPSCI_4006A000_LABEL
-#define DT_UART_MCUX_LPSCI_0_CLOCK_NAME	DT_NXP_KINETIS_LPSCI_4006A000_CLOCK_CONTROLLER
-#define DT_UART_MCUX_LPSCI_0_CLOCK_SUBSYS	DT_NXP_KINETIS_LPSCI_4006A000_CLOCK_NAME
 
 #define DT_ADC_0_BASE_ADDRESS		DT_NXP_KINETIS_ADC16_4003B000_BASE_ADDRESS
 #define DT_ADC_0_IRQ			DT_NXP_KINETIS_ADC16_4003B000_IRQ_0