diff --git a/dts/arm/nxp/nxp_k6x.dtsi b/dts/arm/nxp/nxp_k6x.dtsi
index 14dd6dadb6b..9f682874f30 100644
--- a/dts/arm/nxp/nxp_k6x.dtsi
+++ b/dts/arm/nxp/nxp_k6x.dtsi
@@ -334,7 +334,6 @@
 			interrupts = <22 0>;
 			clocks = <&sim KINETIS_SIM_LPO_CLK 0 0>;
 			label = "WDT_0";
-			start-on-boot;
 			prescaler = <2>;
 		};
 
diff --git a/dts/arm/nxp/nxp_kw2xd.dtsi b/dts/arm/nxp/nxp_kw2xd.dtsi
index 14466a286dd..f689c2bceae 100644
--- a/dts/arm/nxp/nxp_kw2xd.dtsi
+++ b/dts/arm/nxp/nxp_kw2xd.dtsi
@@ -270,7 +270,6 @@
 			interrupts = <22 0>;
 			clocks = <&sim KINETIS_SIM_LPO_CLK 0 0>;
 			label = "WDT_0";
-			start-on-boot;
 			prescaler = <2>;
 		};