diff --git a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
index 1b9f5dad65bed062b100726784c45e9d745928e3..708c463a95c0dfaff1417ff56edacace1719ec60 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8192-evb.dts
@@ -1429,7 +1429,7 @@ mt6315_6_vbuck1: vbuck1 {
 				regulator-min-microvolt = <300000>;
 				regulator-max-microvolt = <1193750>;
 				regulator-enable-ramp-delay = <256>;
-				regulator-allowed-modes = <0 1 2 4>;
+				regulator-allowed-modes = <0 1 2>;
 				regulator-always-on;
 			};
 
@@ -1439,7 +1439,7 @@ mt6315_6_vbuck3: vbuck3 {
 				regulator-min-microvolt = <300000>;
 				regulator-max-microvolt = <1193750>;
 				regulator-enable-ramp-delay = <256>;
-				regulator-allowed-modes = <0 1 2 4>;
+				regulator-allowed-modes = <0 1 2>;
 				regulator-always-on;
 			};
 		};
@@ -1456,7 +1456,7 @@ mt6315_7_vbuck1: vbuck1 {
 				regulator-min-microvolt = <300000>;
 				regulator-max-microvolt = <1193750>;
 				regulator-enable-ramp-delay = <256>;
-				regulator-allowed-modes = <0 1 2 4>;
+				regulator-allowed-modes = <0 1 2>;
 			};
 		};
 	};