diff --git a/src/NDSCart.cpp b/src/NDSCart.cpp
index 0ecd304a..4d240000 100644
--- a/src/NDSCart.cpp
+++ b/src/NDSCart.cpp
@@ -48,7 +48,6 @@ void Write_Null(u8 val, bool islast);
 void Write_EEPROMTiny(u8 val, bool islast);
 void Write_EEPROM(u8 val, bool islast);
 void Write_Flash(u8 val, bool islast);
-void Write_Discover(u8 val, bool islast);
 
 
 bool Init()