diff --git a/package/boot/uboot-mediatek/patches/450-add-cmcc_rax3000m.patch b/package/boot/uboot-mediatek/patches/450-add-cmcc_rax3000m.patch
index e4f3f0585a..d141513272 100644
--- a/package/boot/uboot-mediatek/patches/450-add-cmcc_rax3000m.patch
+++ b/package/boot/uboot-mediatek/patches/450-add-cmcc_rax3000m.patch
@@ -444,22 +444,13 @@
 +};
 --- /dev/null
 +++ b/arch/arm/dts/mt7981-cmcc-rax3000m-emmc.dts
-@@ -0,0 +1,63 @@
+@@ -0,0 +1,54 @@
 +// SPDX-License-Identifier: GPL-2.0-only
 +
 +/dts-v1/;
 +#include "mt7981-cmcc-rax3000m.dtsi"
 +
 +/ {
-+	reg_1p8v: regulator-1p8v {
-+		compatible = "regulator-fixed";
-+		regulator-name = "fixed-1.8V";
-+		regulator-min-microvolt = <1800000>;
-+		regulator-max-microvolt = <1800000>;
-+		regulator-boot-on;
-+		regulator-always-on;
-+	};
-+
 +	reg_3p3v: regulator-3p3v {
 +		compatible = "regulator-fixed";
 +		regulator-name = "fixed-3.3V";
@@ -477,7 +468,6 @@
 +	bus-width = <8>;
 +	cap-mmc-hw-reset;
 +	vmmc-supply = <&reg_3p3v>;
-+	vqmmc-supply = <&reg_1p8v>;
 +	non-removable;
 +	status = "okay";
 +};
diff --git a/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc-ubootmod.dts b/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc-ubootmod.dts
index 4d92cff6ae..8f5f9a601d 100644
--- a/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc-ubootmod.dts
+++ b/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc-ubootmod.dts
@@ -10,15 +10,6 @@
 	chosen {
 		bootargs = "root=PARTLABEL=rootfs rootwait rootfstype=squashfs,f2fs";
 	};
-
-	reg_1p8v: regulator-1p8v {
-		compatible = "regulator-fixed";
-		regulator-name = "fixed-1.8V";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
-		regulator-boot-on;
-		regulator-always-on;
-	};
 };
 
 &mmc0 {
@@ -31,7 +22,6 @@
 	pinctrl-0 = <&mmc0_pins_default>;
 	pinctrl-1 = <&mmc0_pins_uhs>;
 	vmmc-supply = <&reg_3p3v>;
-	vqmmc-supply = <&reg_1p8v>;
 	status = "okay";
 };
 
diff --git a/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc.dtso b/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc.dtso
index 971ed30643..c1c9c75c27 100644
--- a/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc.dtso
+++ b/target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-emmc.dtso
@@ -7,20 +7,6 @@
 	compatible = "cmcc,rax3000m", "mediatek,mt7981";
 
 	fragment@0 {
-		target-path = "/";
-		__overlay__ {
-			reg_1p8v: regulator-1p8v {
-				compatible = "regulator-fixed";
-				regulator-name = "fixed-1.8V";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-boot-on;
-				regulator-always-on;
-			};
-		};
-	};
-
-	fragment@1 {
 		target = <&mmc0>;
 		__overlay__ {
 			bus-width = <8>;
@@ -32,12 +18,11 @@
 			pinctrl-0 = <&mmc0_pins_default>;
 			pinctrl-1 = <&mmc0_pins_uhs>;
 			vmmc-supply = <&reg_3p3v>;
-			vqmmc-supply = <&reg_1p8v>;
 			status = "okay";
 		};
 	};
 
-	fragment@2 {
+	fragment@1 {
 		target = <&pio>;
 		__overlay__ {
 			mmc0_pins_default: mmc0-pins {