diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 166399b7f13f05b6d8c04c68bc463fcd2731d501..d9eb92d5909907cc219992f3a21959763b4ba6a6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -285,8 +285,6 @@
 			vcc_ddr: DCDC_REG3 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-min-microvolt = <1100000>;
-				regulator-max-microvolt = <1100000>;
 				regulator-initial-mode = <0x2>;
 				regulator-name = "vcc_ddr";
 				regulator-state-mem {