diff --git a/src/mess/drivers/dm7000.c b/src/mess/drivers/dm7000.c
index 42faa18b8de..d001fa217d0 100644
--- a/src/mess/drivers/dm7000.c
+++ b/src/mess/drivers/dm7000.c
@@ -262,7 +262,7 @@ void dm7000_state::video_start()
 {
 }
 
-UINT32 dm7000_state::screen_update_dm7000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+UINT32 dm7000_state::screen_update_dm7000(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
 {
 	return 0;
 }
@@ -323,9 +323,6 @@ static MACHINE_CONFIG_START( dm7000, dm7000_state )
 	MCFG_SCREEN_SIZE(640, 480)
 	MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
 	MCFG_SCREEN_UPDATE_DRIVER(dm7000_state, screen_update_dm7000)
-	MCFG_SCREEN_PALETTE("palette")
-
-	MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
 
 	MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
 
diff --git a/src/mess/includes/dm7000.h b/src/mess/includes/dm7000.h
index 38380c74532..5a6696b2aa0 100644
--- a/src/mess/includes/dm7000.h
+++ b/src/mess/includes/dm7000.h
@@ -46,7 +46,7 @@ public:
 	UINT32          dcr[1024];
 	virtual void machine_reset();
 	virtual void video_start();
-	UINT32 screen_update_dm7000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+	UINT32 screen_update_dm7000(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
 };
 
 /* */