diff --git a/configs/apalis_imx6_defconfig b/configs/apalis_imx6_defconfig
index 34d939a0e9..e162f0a5e8 100644
--- a/configs/apalis_imx6_defconfig
+++ b/configs/apalis_imx6_defconfig
@@ -74,7 +74,6 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
-CONFIG_DM_MDIO=y
 CONFIG_FEC_MXC=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y
diff --git a/configs/colibri_imx6_defconfig b/configs/colibri_imx6_defconfig
index 11cd1da26e..ffa773b581 100644
--- a/configs/colibri_imx6_defconfig
+++ b/configs/colibri_imx6_defconfig
@@ -73,7 +73,6 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ8XXX=y
 CONFIG_DM_ETH=y
-CONFIG_DM_MDIO=y
 CONFIG_FEC_MXC=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y
diff --git a/configs/dh_imx6_defconfig b/configs/dh_imx6_defconfig
index d91ff77a4a..e643ade2e6 100644
--- a/configs/dh_imx6_defconfig
+++ b/configs/dh_imx6_defconfig
@@ -77,7 +77,6 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
-CONFIG_DM_MDIO=y
 CONFIG_FEC_MXC=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y
diff --git a/configs/mx6sabreauto_defconfig b/configs/mx6sabreauto_defconfig
index 56fe307e63..106c967652 100644
--- a/configs/mx6sabreauto_defconfig
+++ b/configs/mx6sabreauto_defconfig
@@ -76,7 +76,6 @@ CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_ATHEROS=y
 CONFIG_DM_ETH=y
-CONFIG_DM_MDIO=y
 CONFIG_FEC_MXC=y
 CONFIG_RGMII=y
 CONFIG_MII=y
diff --git a/configs/mx6sabresd_defconfig b/configs/mx6sabresd_defconfig
index 24bc8630f1..f88c629fbf 100644
--- a/configs/mx6sabresd_defconfig
+++ b/configs/mx6sabresd_defconfig
@@ -83,7 +83,6 @@ CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_ATHEROS=y
 CONFIG_DM_ETH=y
-CONFIG_DM_MDIO=y
 CONFIG_FEC_MXC=y
 CONFIG_RGMII=y
 CONFIG_MII=y