diff --git a/src/ines.c b/src/ines.c
index dbc499e..2fde992 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -1019,7 +1019,6 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "4MROM-512",                595, Mapper595_Init         )
 	INES_BOARD( "FC-49",                    596, Mapper596_Init         )
 	INES_BOARD( "GN-27",                    597, Mapper597_Init         )
-	INES_BOARD( "New Star 21-in-1",         598, Mapper598_Init         )
 INES_BOARD_END()
 
 static uint32 iNES_get_mapper_id(void)
diff --git a/src/ines.h b/src/ines.h
index 83f3ce2..429b8dc 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -488,7 +488,6 @@ void Mapper594_Init(CartInfo *);
 void Mapper595_Init(CartInfo *);
 void Mapper596_Init(CartInfo *);
 void Mapper597_Init(CartInfo *);
-void Mapper598_Init(CartInfo *);
 
 void FFE_Init(CartInfo *);