diff --git a/boards/renesas/ek_ra4w1/ek_ra4w1.dts b/boards/renesas/ek_ra4w1/ek_ra4w1.dts
index a8adbfd99a1..75637a7f023 100644
--- a/boards/renesas/ek_ra4w1/ek_ra4w1.dts
+++ b/boards/renesas/ek_ra4w1/ek_ra4w1.dts
@@ -90,7 +90,7 @@
 };
 
 &port_irq4 {
-	interrupts = <31 12>;
+	interrupts = <27 12>;
 	status = "okay";
 };
 
diff --git a/dts/arm/renesas/ra/ra4/ra4-cm4-common.dtsi b/dts/arm/renesas/ra/ra4/ra4-cm4-common.dtsi
index aaaff96cd3b..9cbd990daf4 100644
--- a/dts/arm/renesas/ra/ra4/ra4-cm4-common.dtsi
+++ b/dts/arm/renesas/ra/ra4/ra4-cm4-common.dtsi
@@ -149,8 +149,6 @@
 
 		sci9: sci9@40070120  {
 			compatible = "renesas,ra-sci";
-			interrupts = <36 1>, <37 1>, <38 1>, <39 1>;
-			interrupt-names = "rxi", "txi", "tei", "eri";
 			reg = <0x40070120 0x20>;
 			clocks = <&pclka MSTPB 22>;
 			status = "disabled";