diff --git a/src/mame/drivers/popeye.cpp b/src/mame/drivers/popeye.cpp
index 62668b0572a..eae9b2b54f1 100644
--- a/src/mame/drivers/popeye.cpp
+++ b/src/mame/drivers/popeye.cpp
@@ -368,14 +368,12 @@ static INPUT_PORTS_START( popeye )
 	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
 	PORT_DIPSETTING(    0x03, DEF_STR( 1C_3C ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
-	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x60, 0x40, "Copyright" )
-	PORT_DIPSETTING(    0x40, "Nintendo" )
-	PORT_DIPSETTING(    0x20, "Nintendo Co.,Ltd" )
-	PORT_DIPSETTING(    0x60, "Nintendo of America" )
-//  PORT_DIPSETTING(    0x00, "Nintendo of America" )
+	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_CONFNAME( 0x60, 0x40, "Copyright" )
+	PORT_CONFSETTING(    0x40, "Nintendo" )
+	PORT_CONFSETTING(    0x20, "Nintendo Co.,Ltd" )
+	PORT_CONFSETTING(    0x60, "Nintendo of America" )
+//  PORT_CONFSETTING(    0x00, "Nintendo of America" )
 	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, popeye_state, dsw1_read, nullptr)
 
 	PORT_START("DSW1")  /* DSW1 */