diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/objects.h b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/objects.h
index e547ad300b..0b8ee2687a 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/objects.h
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/objects.h
@@ -60,12 +60,6 @@ struct analogin_s {
     uint32_t channel;
 };
 
-struct dac_s {
-    DACName dac;
-    PinName pin;
-    uint32_t channel;
-};
-
 struct can_s {
     CANName can;
     int index;