diff --git a/configs/at91rm9200ek_defconfig b/configs/at91rm9200ek_defconfig
index b6db8c4..291fb0d 100644
--- a/configs/at91rm9200ek_defconfig
+++ b/configs/at91rm9200ek_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91RM9200EK=y
 CONFIG_BOOTDELAY=3
+# CONFIG_SYS_STDIO_DEREGISTER is not set
 # CONFIG_DISPLAY_CPUINFO is not set
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y