diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 67aa409b32bf..96e405e70d9a 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -197,8 +197,6 @@
 		power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
 		resets = <&cpg 124>;
 
-		renesas,channels-mask = <0x60>;
-
 		status = "disabled";
 	};
 
@@ -218,8 +216,6 @@
 		power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
 		resets = <&cpg 329>;
 
-		renesas,channels-mask = <0xff>;
-
 		status = "disabled";
 	};