diff -Nur linux-4.9.257.orig/arch/arm/boot/dts/stm32f429-disco.dts linux-4.9.257/arch/arm/boot/dts/stm32f429-disco.dts
--- linux-4.9.257.orig/arch/arm/boot/dts/stm32f429-disco.dts	2021-02-10 09:09:27.000000000 +0100
+++ linux-4.9.257/arch/arm/boot/dts/stm32f429-disco.dts	2021-04-09 20:08:56.113152788 +0200
@@ -53,7 +53,7 @@
 	compatible = "st,stm32f429i-disco", "st,stm32f429";
 
 	chosen {
-		bootargs = "root=/dev/ram rdinit=/linuxrc";
+		bootargs = "";
 		stdout-path = "serial0:115200n8";
 	};