diff --git a/patch/kernel/rockchip64-dev/rockpi4-0006-arm64-dts-enable-spi-flash.patch b/patch/kernel/rockchip64-dev/rockpi4-0006-arm64-dts-enable-spi-flash.patch
deleted file mode 100644
index 00b663d979..0000000000
--- a/patch/kernel/rockchip64-dev/rockpi4-0006-arm64-dts-enable-spi-flash.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
-index ffe40eca8..ac0ac5932 100644
---- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
-+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
-@@ -719,6 +719,16 @@ &sdhci {
- 	status = "okay";
- };
- 
-+&spi1 {
-+	status = "okay";
-+
-+	flash@0 {
-+		compatible = "jedec,spi-nor";
-+		reg = <0>;
-+		spi-max-frequency = <10000000>;
-+	};
-+};
-+
- &tcphy0 {
- 	status = "okay";
- };