diff --git a/arch/arm64/boot/dts/rockchip/overlays/rk3528-spi1-cs-gpio-spidev.dts b/arch/arm64/boot/dts/rockchip/overlays/rk3528-spi1-cs-gpio-spidev.dts
index a662ef55..73a58d12 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/rk3528-spi1-cs-gpio-spidev.dts
+++ b/arch/arm64/boot/dts/rockchip/overlays/rk3528-spi1-cs-gpio-spidev.dts
@@ -19,7 +19,6 @@ CS pin is located on pin 24.";
 	#address-cells = <1>;
 	#size-cells = <0>;
 	max-freq = <50000000>;
-	num-cs = <1>;
 	cs-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_LOW>;
 	pinctrl-0 = <&spi1_pins>;