diff --git a/configs/smdk5250_defconfig b/configs/smdk5250_defconfig
index 9429114..f8350bf 100644
--- a/configs/smdk5250_defconfig
+++ b/configs/smdk5250_defconfig
@@ -43,6 +43,7 @@
 CONFIG_ENV_SPI_BUS=1
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_I2C_S3C24X0=y
+# CONFIG_KEYBOARD is not set
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_SDHCI=y