diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 0eb85561cfa3..a4cefae9d0a6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -760,10 +760,8 @@ usbotg1: usb@32e40000 {
 				interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MM_CLK_USB1_CTRL_ROOT>;
 				clock-names = "usb1_ctrl_root_clk";
-				assigned-clocks = <&clk IMX8MM_CLK_USB_BUS>,
-						  <&clk IMX8MM_CLK_USB_CORE_REF>;
-				assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_500M>,
-							 <&clk IMX8MM_SYS_PLL1_100M>;
+				assigned-clocks = <&clk IMX8MM_CLK_USB_BUS>;
+				assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_500M>;
 				fsl,usbphy = <&usbphynop1>;
 				fsl,usbmisc = <&usbmisc1 0>;
 				status = "disabled";
@@ -781,10 +779,8 @@ usbotg2: usb@32e50000 {
 				interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MM_CLK_USB1_CTRL_ROOT>;
 				clock-names = "usb1_ctrl_root_clk";
-				assigned-clocks = <&clk IMX8MM_CLK_USB_BUS>,
-						  <&clk IMX8MM_CLK_USB_CORE_REF>;
-				assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_500M>,
-							 <&clk IMX8MM_SYS_PLL1_100M>;
+				assigned-clocks = <&clk IMX8MM_CLK_USB_BUS>;
+				assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_500M>;
 				fsl,usbphy = <&usbphynop2>;
 				fsl,usbmisc = <&usbmisc2 0>;
 				status = "disabled";