diff --git a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-drc02.dtsi b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-drc02.dtsi
index 35b1034aa3cf..e4e114d8c337 100644
--- a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-drc02.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-drc02.dtsi
@@ -6,18 +6,6 @@
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pwm/pwm.h>
 
-/ {
-	aliases {
-		serial0 = &uart4;
-		serial1 = &usart3;
-		serial2 = &uart8;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-};
-
 &adc {
 	status = "disabled";
 };
diff --git a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2.dtsi
index 46b87a27d8b3..7050582837d5 100644
--- a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2.dtsi
@@ -7,16 +7,6 @@
 #include <dt-bindings/pwm/pwm.h>
 
 / {
-	aliases {
-		serial0 = &uart4;
-		serial1 = &usart3;
-		serial2 = &uart8;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
 	clk_ext_audio_codec: clock-codec {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
diff --git a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-picoitx.dtsi b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-picoitx.dtsi
index abc595350e71..81743a448607 100644
--- a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-picoitx.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-picoitx.dtsi
@@ -7,16 +7,6 @@
 #include <dt-bindings/pwm/pwm.h>
 
 / {
-	aliases {
-		serial0 = &uart4;
-		serial1 = &usart3;
-		serial2 = &uart8;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
 	led {
 		compatible = "gpio-leds";
 
diff --git a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-som.dtsi
index 74a11ccc5333..086d3a60ccce 100644
--- a/arch/arm/boot/dts/st/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xx-dhcom-som.dtsi
@@ -14,6 +14,13 @@
 		ethernet1 = &ksz8851;
 		rtc0 = &hwrtc;
 		rtc1 = &rtc;
+		serial0 = &uart4;
+		serial1 = &usart3;
+		serial2 = &uart8;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
 	};
 
 	memory@c0000000 {