diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
index ae81ebb39d02..2fbfa3719345 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
@@ -219,13 +219,6 @@ cpsw3g_phy1: ethernet-phy@1 {
 	};
 };
 
-&mailbox0_cluster0 {
-	mbox_m4_0: mbox-m4-0 {
-		ti,mbox-rx = <0 0 0>;
-		ti,mbox-tx = <1 0 0>;
-	};
-};
-
 &fss {
 	bootph-all;
 };