diff --git a/configs/evb-rk3036_defconfig b/configs/evb-rk3036_defconfig
index 8d73f88..9c48649 100644
--- a/configs/evb-rk3036_defconfig
+++ b/configs/evb-rk3036_defconfig
@@ -4,6 +4,7 @@ CONFIG_ROCKCHIP_RK3036=y
 CONFIG_TARGET_EVB_RK3036=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEFAULT_DEVICE_TREE="rk3036-sdk"
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x0
 CONFIG_DEBUG_UART=y
 CONFIG_ENV_IS_NOWHERE=y
 # CONFIG_DISPLAY_CPUINFO is not set
diff --git a/configs/kylin-rk3036_defconfig b/configs/kylin-rk3036_defconfig
index c0faf85..9f741a1 100644
--- a/configs/kylin-rk3036_defconfig
+++ b/configs/kylin-rk3036_defconfig
@@ -5,6 +5,7 @@ CONFIG_TARGET_KYLIN_RK3036=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEFAULT_DEVICE_TREE="rk3036-sdk"
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x0
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_SPL_STACK_R=y
 # CONFIG_CMD_IMLS is not set