diff --git a/simulator/simulator/efifeatures.h b/simulator/simulator/efifeatures.h
index 77b83d5283..23bfaa874b 100644
--- a/simulator/simulator/efifeatures.h
+++ b/simulator/simulator/efifeatures.h
@@ -105,10 +105,6 @@
 #define HAL_TRIGGER_USE_PAL FALSE
 #endif /* HAL_TRIGGER_USE_PAL */
 
-#ifndef HAL_TRIGGER_USE_ADC
-#define HAL_TRIGGER_USE_ADC FALSE
-#endif /* HAL_TRIGGER_USE_ADC */
-
 #define EFI_HAS_RESET FALSE
 #define EXTREME_TERM_LOGGING FALSE
 #define DEBUG_FUEL FALSE