diff --git a/arch/arm/boot/dts/stm32mp157a-stinger96.dtsi b/arch/arm/boot/dts/stm32mp157a-stinger96.dtsi
index 58275bcf9e26..113c48b2ef93 100644
--- a/arch/arm/boot/dts/stm32mp157a-stinger96.dtsi
+++ b/arch/arm/boot/dts/stm32mp157a-stinger96.dtsi
@@ -331,12 +331,8 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &usbphyc_port1 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index 81a7d5849db4..95b08876b2b3 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -393,12 +393,8 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &usbphyc_port1 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi
index 5088dd3a301b..fad23d6f69b8 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi
@@ -158,6 +158,4 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
index 8456f172d4b1..5523f4138fd6 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi
@@ -300,12 +300,8 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &usbphyc_port1 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
index 757707766fa0..cd3a1798ca68 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
@@ -140,12 +140,8 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &usbphyc_port1 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
index ec02cee1dd9b..b09e87fe901a 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
@@ -391,12 +391,8 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &usbphyc_port1 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index 89c0e1ddc387..59f18846cf5d 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -694,14 +694,10 @@
 
 &usbphyc_port0 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &usbphyc_port1 {
 	phy-supply = <&vdd_usb>;
-	vdda1v1-supply = <&reg11>;
-	vdda1v8-supply = <&reg18>;
 };
 
 &vrefbuf {