diff --git a/Marlin/pins_RIGIDBOARD.h b/Marlin/pins_RIGIDBOARD.h
index 887ca7d05..0e48caf73 100644
--- a/Marlin/pins_RIGIDBOARD.h
+++ b/Marlin/pins_RIGIDBOARD.h
@@ -124,9 +124,6 @@
 
 #elif ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER)
 
-  #undef BEEPER_PIN
-  #define BEEPER_PIN -1
-
   #undef  SD_DETECT_PIN
   #define SD_DETECT_PIN 22