diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index db723cd..d47a625 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -26,6 +26,8 @@
 CONFIG_HANDOFF=y
 CONFIG_SPL_BOARD_INIT=y
 CONFIG_SPL_ENV_SUPPORT=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_RTC_SUPPORT=y
 CONFIG_CMD_CPU=y
 CONFIG_CMD_LICENSE=y
 CONFIG_CMD_BOOTZ=y
@@ -120,7 +122,6 @@
 CONFIG_DM_I2C_GPIO=y
 CONFIG_SYS_I2C_SANDBOX=y
 CONFIG_I2C_MUX=y
-CONFIG_SPL_I2C_MUX=y
 CONFIG_I2C_ARB_GPIO_CHALLENGE=y
 CONFIG_CROS_EC_KEYB=y
 CONFIG_I8042_KEYB=y
@@ -187,6 +188,7 @@
 CONFIG_DM_RESET=y
 CONFIG_SANDBOX_RESET=y
 CONFIG_DM_RTC=y
+CONFIG_SPL_DM_RTC=y
 CONFIG_SANDBOX_SERIAL=y
 CONFIG_SOUND=y
 CONFIG_SOUND_SANDBOX=y