diff --git a/arch/arm64/boot/dts/rockchip/rk1808-evb-v10.dts b/arch/arm64/boot/dts/rockchip/rk1808-evb-v10.dts
index a6529c604215..b60b4ca0741b 100644
--- a/arch/arm64/boot/dts/rockchip/rk1808-evb-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk1808-evb-v10.dts
@@ -169,15 +169,6 @@
 	#sound-dai-cells = <0>;
 };
 
-/*
- * set max voltage to 850mv to fit for npu power supply request,
- * we can change max voltage when we get more imformation.
- */
-&vdd_npu {
-	regulator-min-microvolt = <850000>;
-	regulator-max-microvolt = <850000>;
-};
-
 &vop_lite {
 	status = "okay";
 };