diff --git a/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
index 8b5e7dfcc8a9..cf8a61b0945c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
@@ -239,8 +239,6 @@
 &acodec {
 	status = "okay";
 
-	#sound-dai-cells = <0>;
-
 	rockchip,loopback-grp = <3>;
 	hp-ctl-gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
 	spk-ctl-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
@@ -634,8 +632,6 @@
 
 &i2s_8ch_2 {
 	status = "okay";
-
-	#sound-dai-cells = <0>;
 };
 
 &nandc {
diff --git a/arch/arm64/boot/dts/rockchip/rk3308-evb-v11.dtsi b/arch/arm64/boot/dts/rockchip/rk3308-evb-v11.dtsi
index 43f89939e713..0c8d9f3ab7d6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-evb-v11.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308-evb-v11.dtsi
@@ -245,8 +245,6 @@
 &acodec {
 	status = "okay";
 
-	#sound-dai-cells = <0>;
-
 	rockchip,loopback-grp = <0>;
 	hp-ctl-gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
 	spk-ctl-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
@@ -640,8 +638,6 @@
 
 &i2s_8ch_2 {
 	status = "okay";
-
-	#sound-dai-cells = <0>;
 };
 
 &nandc {