diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index a69d6f883b34..dfc1c406179f 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -266,8 +266,6 @@
 		power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
 		resets = <&cpg 124>;
 
-		renesas,channels-mask = <0x60>;
-
 		status = "disabled";
 	};
 
@@ -287,8 +285,6 @@
 		power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
 		resets = <&cpg 329>;
 
-		renesas,channels-mask = <0xff>;
-
 		status = "disabled";
 	};