diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts
index 124ebaa8ded8..79e2d540377e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w103.dts
@@ -138,20 +138,6 @@
 		status = "okay";
 	};
 
-	reserved-memory {
-		#address-cells = <2>;
-		#size-cells = <2>;
-		ranges;
-
-		rknpu_reserved: rknpu {
-			compatible = "shared-dma-pool";
-			inactive;
-			reusable;
-			size = <0x0 0x20000000>;
-			alignment = <0x0 0x1000>;
-		};
-	};
-
 	vccsys: vccsys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v8_sys";
@@ -1020,16 +1006,6 @@
 	status = "okay";
 };
 
-&rknpu {
-	memory-region = <&rknpu_reserved>;
-	rknpu-supply = <&vdd_gpu>;
-	status = "okay";
-};
-
-&rknpu_mmu {
-	status = "disabled";
-};
-
 &rockchip_suspend {
 	status = "okay";