diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index d26f93f8b9c2..3a8e2dc1978c 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -300,7 +300,6 @@
 			compatible = "st,stm32-rtc";
 			reg = <0x40002800 0x400>;
 			clocks = <&rcc 1 CLK_RTC>;
-			clock-names = "ck_rtc";
 			assigned-clocks = <&rcc 1 CLK_RTC>;
 			assigned-clock-parents = <&rcc 1 CLK_LSE>;
 			interrupt-parent = <&exti>;