diff --git a/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/mcuconf.h
index 948c740f6e2..24cc66b7884 100644
--- a/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/mcuconf.h
+++ b/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/mcuconf.h
@@ -40,7 +40,7 @@
 #define STM32_PLS                           STM32_PLS_LEV0
 #define STM32_HSI16_ENABLED                 TRUE
 #define STM32_HSI48_ENABLED                 TRUE
-#define STM32_LSI_ENABLED                   TRUE
+#define STM32_LSI_ENABLED                   FALSE
 #define STM32_HSE_ENABLED                   FALSE
 #define STM32_LSE_ENABLED                   FALSE
 #define STM32_MSIPLL_ENABLED                FALSE