diff --git a/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi b/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
index ab3c3c5713ae..a16450abea0e 100644
--- a/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
+++ b/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
@@ -191,7 +191,7 @@ fiu0: spi@fb000000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0xfb000000 0x1000>;
-			reg-names = "control", "memory";
+			reg-names = "control";
 			clocks = <&clk NPCM7XX_CLK_SPI0>;
 			clock-names = "clk_spi0";
 			status = "disabled";
@@ -202,7 +202,7 @@ fiu3: spi@c0000000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0xc0000000 0x1000>;
-			reg-names = "control", "memory";
+			reg-names = "control";
 			clocks = <&clk NPCM7XX_CLK_SPI3>;
 			clock-names = "clk_spi3";
 			pinctrl-names = "default";
@@ -215,7 +215,7 @@ fiux: spi@fb001000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0xfb001000 0x1000>;
-			reg-names = "control", "memory";
+			reg-names = "control";
 			clocks = <&clk NPCM7XX_CLK_SPIX>;
 			clock-names = "clk_spix";
 			status = "disabled";