diff --git a/arch/arm/configs/rk3188_tb_defconfig b/arch/arm/configs/rk3188_tb_defconfig
index 27c36cb6d4d9..351ad1a35dff 100644
--- a/arch/arm/configs/rk3188_tb_defconfig
+++ b/arch/arm/configs/rk3188_tb_defconfig
@@ -21,8 +21,6 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_ARCH_RK3188=y
-CONFIG_DDR_SDRAM_FREQ=300
-CONFIG_DDR_FREQ=y
 # CONFIG_DDR_TEST is not set
 CONFIG_FIQ_DEBUGGER=y
 CONFIG_FIQ_DEBUGGER_NO_SLEEP=y