diff --git a/arch/arm/boot/dts/emev2-kzm9d.dts b/arch/arm/boot/dts/emev2-kzm9d.dts
index 8c24975e8f9d..a35b851e1cd7 100644
--- a/arch/arm/boot/dts/emev2-kzm9d.dts
+++ b/arch/arm/boot/dts/emev2-kzm9d.dts
@@ -105,8 +105,8 @@ &iic1 {
 
 &pfc {
 	uart1_pins: serial@e1030000 {
-		renesas,groups = "uart1_ctrl", "uart1_data";
-		renesas,function = "uart1";
+		groups = "uart1_ctrl", "uart1_data";
+		function = "uart1";
 	};
 };