diff --git a/arch/arm/dts/mt7987a-u-boot.dtsi b/arch/arm/dts/mt7987a-u-boot.dtsi
index ec0a6389d8b..a1cb42a9675 100644
--- a/arch/arm/dts/mt7987a-u-boot.dtsi
+++ b/arch/arm/dts/mt7987a-u-boot.dtsi
@@ -24,6 +24,10 @@
 			mediatek,hwver = <&hwver>;
 		};
 	};
+
+	reserved-memory {
+		/delete-node/ wmcpu-reserved@50000000;
+	};
 };
 
 &i2c0 {