diff --git a/src/mame/drivers/ninjakd2.c b/src/mame/drivers/ninjakd2.c
index 40f49380e72..bd0daf286fd 100644
--- a/src/mame/drivers/ninjakd2.c
+++ b/src/mame/drivers/ninjakd2.c
@@ -681,8 +681,6 @@ static INPUT_PORTS_START( arkarea )
 	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
 	PORT_DIPUNUSED_DIPLOC( 0x08, 0x08, "SW1:5" )  // manual says "Table_Type Off=Table On=Upright", but not work?
-	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
 	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW1:4")
 	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )