diff --git a/boards/arm/olimex_stm32_e407/olimex_stm32_e407_defconfig b/boards/arm/olimex_stm32_e407/olimex_stm32_e407_defconfig
index b52339333e5c79..0f9922d6a20151 100644
--- a/boards/arm/olimex_stm32_e407/olimex_stm32_e407_defconfig
+++ b/boards/arm/olimex_stm32_e407/olimex_stm32_e407_defconfig
@@ -38,6 +38,3 @@ CONFIG_CLOCK_STM32_APB1_PRESCALER=4
 CONFIG_CLOCK_STM32_APB2_PRESCALER=2
 
 CONFIG_ENTROPY_GENERATOR=y
-CONFIG_ENTROPY_NAME="ENTROPY_0"
-CONFIG_TEST_RANDOM_GENERATOR=y
-CONFIG_TIMER_RANDOM_GENERATOR=y