diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 558363b..686f38f 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -417,7 +417,6 @@ config DRAM_ZQ
 
 config DRAM_ODT_EN
 	bool "sunxi dram odt enable"
-	default n if !MACH_SUN8I_A23
 	default y if MACH_SUN8I_A23
 	default y if MACH_SUN8I_R40
 	default y if MACH_SUN50I
diff --git a/configs/Bananapi_M2_Ultra_defconfig b/configs/Bananapi_M2_Ultra_defconfig
index 6bc33fc..fde829f 100644
--- a/configs/Bananapi_M2_Ultra_defconfig
+++ b/configs/Bananapi_M2_Ultra_defconfig
@@ -4,7 +4,6 @@ CONFIG_SPL=y
 CONFIG_MACH_SUN8I_R40=y
 CONFIG_DRAM_CLK=576
 CONFIG_DRAM_ZQ=3881979
-CONFIG_DRAM_ODT_EN=y
 CONFIG_MACPWR="PA17"
 CONFIG_MMC0_CD_PIN="PH13"
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
diff --git a/configs/amarula_a64_relic_defconfig b/configs/amarula_a64_relic_defconfig
index b72cbfa..9ab4c0c 100644
--- a/configs/amarula_a64_relic_defconfig
+++ b/configs/amarula_a64_relic_defconfig
@@ -3,7 +3,6 @@ CONFIG_ARCH_SUNXI=y
 CONFIG_SPL=y
 CONFIG_MACH_SUN50I=y
 CONFIG_RESERVE_ALLWINNER_BOOT0_HEADER=y
-CONFIG_DRAM_ODT_EN=y
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
 # CONFIG_VIDEO_DE2 is not set
 CONFIG_DEFAULT_DEVICE_TREE="sun50i-a64-amarula-relic"
diff --git a/configs/bananapi_m2_berry_defconfig b/configs/bananapi_m2_berry_defconfig
index 313e09a..c5c3cc3 100644
--- a/configs/bananapi_m2_berry_defconfig
+++ b/configs/bananapi_m2_berry_defconfig
@@ -4,7 +4,6 @@ CONFIG_SPL=y
 CONFIG_MACH_SUN8I_R40=y
 CONFIG_DRAM_CLK=576
 CONFIG_DRAM_ZQ=3881979
-CONFIG_DRAM_ODT_EN=y
 CONFIG_MMC0_CD_PIN="PH13"
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-v40-bananapi-m2-berry"
 CONFIG_AHCI=y
diff --git a/configs/sopine_baseboard_defconfig b/configs/sopine_baseboard_defconfig
index c79c111..1d0b3fb 100644
--- a/configs/sopine_baseboard_defconfig
+++ b/configs/sopine_baseboard_defconfig
@@ -6,7 +6,6 @@ CONFIG_RESERVE_ALLWINNER_BOOT0_HEADER=y
 CONFIG_SUNXI_DRAM_LPDDR3_STOCK=y
 CONFIG_DRAM_CLK=552
 CONFIG_DRAM_ZQ=3881949
-CONFIG_DRAM_ODT_EN=y
 CONFIG_MMC0_CD_PIN=""
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
 CONFIG_SPL_SPI_SUNXI=y