diff --git a/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts b/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
index 9403e62b33ab..22b44e37aca2 100644
--- a/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
+++ b/arch/arm/boot/dts/rk3288-evb-rk808-linux.dts
@@ -410,8 +410,6 @@
 			vcc_sd: SWITCH_REG1 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
 				regulator-name = "vcc_sd";
 				regulator-state-mem {
 					regulator-on-in-suspend;
@@ -421,8 +419,6 @@
 			vcc_lcd: SWITCH_REG2 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
 				regulator-name = "vcc_lcd";
 				regulator-state-mem {
 					regulator-off-in-suspend;
diff --git a/arch/arm/boot/dts/rk3288-firefly-rk808.dts b/arch/arm/boot/dts/rk3288-firefly-rk808.dts
index 02b8ec3011b1..7b9401886484 100644
--- a/arch/arm/boot/dts/rk3288-firefly-rk808.dts
+++ b/arch/arm/boot/dts/rk3288-firefly-rk808.dts
@@ -527,8 +527,6 @@
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-name = "vcc_18";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
 				regulator-state-mem {
 					regulator-on-in-suspend;
 				};
diff --git a/arch/arm/boot/dts/rk3288-vyasa.dts b/arch/arm/boot/dts/rk3288-vyasa.dts
index 4856a9fc0aea..aebed2c7505e 100644
--- a/arch/arm/boot/dts/rk3288-vyasa.dts
+++ b/arch/arm/boot/dts/rk3288-vyasa.dts
@@ -325,8 +325,6 @@
 
 			vcc_sd: SWITCH_REG1 {
 				regulator-name = "vcc_sd";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-state-mem {
@@ -336,8 +334,6 @@
 
 			vcc_lan: SWITCH_REG2 {
 				regulator-name = "vcc_lan";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-state-mem {