diff --git a/patch/kernel/rockchip64-dev/add-board-rockpi4b.patch b/patch/kernel/rockchip64-dev/add-board-rockpi4b.patch
index 34141b6ac..7b55b4928 100644
--- a/patch/kernel/rockchip64-dev/add-board-rockpi4b.patch
+++ b/patch/kernel/rockchip64-dev/add-board-rockpi4b.patch
@@ -15,7 +15,7 @@ new file mode 100644
 index 0000000..52f4731
 --- /dev/null
 +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpi4b.dts
-@@ -0,0 +1,918 @@
+@@ -0,0 +1,907 @@
 +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 +/*
 + * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd.
@@ -129,7 +129,7 @@ index 0000000..52f4731
 +	wireless-wlan {
 +		compatible = "wlan-platdata";
 +		rockchip,grf = <&grf>;
-+		wifi_chip_type = "ap6359";
++		wifi_chip_type = "ap6256";
 +		sdio_vref = <1800>;
 +		WIFI,host_wake_irq = <&gpio0 3 GPIO_ACTIVE_HIGH>; /* GPIO0_A3 */
 +		status = "okay";
@@ -773,17 +773,6 @@ index 0000000..52f4731
 +	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
 +	sd-uhs-sdr104;
 +	status = "okay";
-+
-+	brcmf: brcmf@1 {
-+//		reg = <1>;
-+		compatible = "brcm,bcm4359-fmac";
-+		brcm,drive-strength = <5>;
-+		interrupt-parent = <&gpio0>;
-+		interrupts = <0 RK_PA3 IRQ_TYPE_LEVEL_LOW>;
-+		interrupt-names = "host-wake";
-+		pinctrl-names = "default";
-+		pinctrl-0 = <&wifi_host_wake_l>;
-+	};
 +};
 +
 +&sdhci {