diff --git a/libraries/AP_HAL_ChibiOS/hwdef/common/stm32l4+_mcuconf.h b/libraries/AP_HAL_ChibiOS/hwdef/common/stm32l4+_mcuconf.h
index 42af881286..da052820ae 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/common/stm32l4+_mcuconf.h
+++ b/libraries/AP_HAL_ChibiOS/hwdef/common/stm32l4+_mcuconf.h
@@ -250,11 +250,6 @@
 #define STM32_I2C_I2C4_DMA_PRIORITY         3
 #define STM32_I2C_DMA_ERROR_HOOK(i2cp)      STM32_DMA_ERROR_HOOK(i2cp)
 
-/*
- * PWM driver system settings.
- */
-#define STM32_PWM_USE_ADVANCED              FALSE
-
 /*
  * RTC driver system settings.
  */