diff --git a/src/mess/drivers/h89.c b/src/mess/drivers/h89.c
index f29c1ec9c98..656e1bcee92 100644
--- a/src/mess/drivers/h89.c
+++ b/src/mess/drivers/h89.c
@@ -133,19 +133,6 @@ static MACHINE_CONFIG_START( h89, h89_state )
 	MCFG_CPU_PROGRAM_MAP(h89_mem)
 	MCFG_CPU_IO_MAP(h89_io)
 
-
-#if 0
-	/* video hardware */
-	MCFG_SCREEN_ADD("screen", RASTER)
-	MCFG_SCREEN_REFRESH_RATE(50)
-	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
-	MCFG_SCREEN_SIZE(640, 480)
-	MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
-	MCFG_SCREEN_UPDATE_STATIC(h89)
-
-	MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
-#endif
-
 	MCFG_INS8250_ADD( "ins8250", h89_ins8250_interface, XTAL_1_8432MHz )
 
 	MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, "serial_terminal")
diff --git a/src/mess/drivers/pc6001.c b/src/mess/drivers/pc6001.c
index a34cde3a8ba..86fcd0febca 100644
--- a/src/mess/drivers/pc6001.c
+++ b/src/mess/drivers/pc6001.c
@@ -2325,8 +2325,6 @@ static MACHINE_CONFIG_START( pc6001, pc6001_state )
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_REFRESH_RATE(60)
 	MCFG_SCREEN_UPDATE_DRIVER(pc6001_state, screen_update_pc6001)
-//  MCFG_SCREEN_REFRESH_RATE(M6847_NTSC_FRAMES_PER_SECOND)
-//  MCFG_SCREEN_UPDATE_STATIC(m6847)
 	MCFG_SCREEN_SIZE(320, 25+192+26)
 	MCFG_SCREEN_VISIBLE_AREA(0, 319, 0, 239)
 	MCFG_SCREEN_PALETTE("palette")