diff --git a/configs/evb-rk3328_defconfig b/configs/evb-rk3328_defconfig
index f161c40ae76961664b8d63ad31eb67696508eebc..a4405a6a9ddad39ee762dc1238ff9cf8087d43ab 100644
--- a/configs/evb-rk3328_defconfig
+++ b/configs/evb-rk3328_defconfig
@@ -3,7 +3,6 @@ CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x00200000
 CONFIG_ROCKCHIP_RK3328=y
 CONFIG_TPL_ROCKCHIP_COMMON_BOARD=y
-CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x40000
 CONFIG_TPL_LIBCOMMON_SUPPORT=y
 CONFIG_TPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
diff --git a/configs/rock64-rk3328_defconfig b/configs/rock64-rk3328_defconfig
index 60a0d1473c186b32404340120c908746bfea585e..3b3ac96cc0f305ec6a4bd88269b7fc32f9c77a29 100644
--- a/configs/rock64-rk3328_defconfig
+++ b/configs/rock64-rk3328_defconfig
@@ -3,7 +3,6 @@ CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x00200000
 CONFIG_ROCKCHIP_RK3328=y
 CONFIG_TPL_ROCKCHIP_COMMON_BOARD=y
-CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x40000
 CONFIG_TPL_LIBCOMMON_SUPPORT=y
 CONFIG_TPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_DRIVERS_MISC_SUPPORT=y