diff --git a/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts b/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
index eff51e113db4..88d7dc005fa0 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
@@ -92,7 +92,6 @@ pinctrl_lpuart4: lpuart4grp {
 			IMX7ULP_PAD_PTC3__LPUART4_RX	0x3
 			IMX7ULP_PAD_PTC2__LPUART4_TX	0x3
 		>;
-		bias-pull-up;
 	};
 
 	pinctrl_pwm0: pwm0grp {