diff --git a/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts b/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts
index aee484a05181..4b4a38e59283 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts
@@ -633,7 +633,6 @@ brcmf: wifi@1 {
 &spdif {
 	status = "okay";
 	pinctrl-0 = <&spdif_bus_1>;
-	#sound-dai-cells = <0>;
 };
 
 &spi1 {