diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
index 1e7d498..1359281 100644
--- a/configs/Colombus_defconfig
+++ b/configs/Colombus_defconfig
@@ -16,7 +16,6 @@
 CONFIG_VIDEO_LCD_PANEL_EDP_4_LANE_1620M_VIA_ANX9804=y
 CONFIG_DEFAULT_DEVICE_TREE="sun6i-a31-colombus"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
-CONFIG_SYS_EXTRA_OPTIONS="RGMII"
 CONFIG_SPL=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
@@ -25,6 +24,7 @@
 # CONFIG_SPL_ISO_PARTITION is not set
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_RGMII=y
 CONFIG_SUN7I_GMAC=y
 CONFIG_AXP_ALDO1_VOLT=3300
 CONFIG_USB_EHCI_HCD=y