diff --git a/src/mame/drivers/asteroid.c b/src/mame/drivers/asteroid.c
index d67f4e16377..acb5a84ec08 100644
--- a/src/mame/drivers/asteroid.c
+++ b/src/mame/drivers/asteroid.c
@@ -593,8 +593,6 @@ static MACHINE_DRIVER_START( asteroid )
 	MDRV_SCREEN_SIZE(400,300)
 	MDRV_SCREEN_VISIBLE_AREA(522, 1566, 394, 1182)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(dvg)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/aztarac.c b/src/mame/drivers/aztarac.c
index 22df120aeb6..0aa67a1aa10 100644
--- a/src/mame/drivers/aztarac.c
+++ b/src/mame/drivers/aztarac.c
@@ -186,8 +186,6 @@ static MACHINE_DRIVER_START( aztarac )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 768-1)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(aztarac)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/bwidow.c b/src/mame/drivers/bwidow.c
index 00ea4c8685d..06585c5a154 100644
--- a/src/mame/drivers/bwidow.c
+++ b/src/mame/drivers/bwidow.c
@@ -696,8 +696,6 @@ static MACHINE_DRIVER_START( bwidow )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 480, 0, 440)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(avg)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/bzone.c b/src/mame/drivers/bzone.c
index 33a3c3dfdf9..9cbb98766ee 100644
--- a/src/mame/drivers/bzone.c
+++ b/src/mame/drivers/bzone.c
@@ -587,8 +587,6 @@ static MACHINE_DRIVER_START( bzone )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 580, 0, 400)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(avg_bzone)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/cchasm.c b/src/mame/drivers/cchasm.c
index 34bd6f52543..ca52f630ea5 100644
--- a/src/mame/drivers/cchasm.c
+++ b/src/mame/drivers/cchasm.c
@@ -167,8 +167,6 @@ static MACHINE_DRIVER_START( cchasm )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 768-1)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(cchasm)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/cinemat.c b/src/mame/drivers/cinemat.c
index 43c110e212a..be3d5478092 100644
--- a/src/mame/drivers/cinemat.c
+++ b/src/mame/drivers/cinemat.c
@@ -999,8 +999,6 @@ static MACHINE_DRIVER_START( cinemat_nojmi_4k )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 1023, 0, 767)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(cinemat_bilevel)
 	MDRV_VIDEO_EOF(cinemat)
 	MDRV_VIDEO_UPDATE(vector)
diff --git a/src/mame/drivers/mhavoc.c b/src/mame/drivers/mhavoc.c
index 561ab8ca4ed..ab5c4e684ae 100644
--- a/src/mame/drivers/mhavoc.c
+++ b/src/mame/drivers/mhavoc.c
@@ -533,8 +533,6 @@ static MACHINE_DRIVER_START( mhavoc )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 300, 0, 260)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(avg_mhavoc)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/omegrace.c b/src/mame/drivers/omegrace.c
index 091763b7554..0b8f7284775 100644
--- a/src/mame/drivers/omegrace.c
+++ b/src/mame/drivers/omegrace.c
@@ -503,8 +503,6 @@ static MACHINE_DRIVER_START( omegrace )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(522, 1566, 522, 1566)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(dvg)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/quantum.c b/src/mame/drivers/quantum.c
index 6ced32cf0ce..e96167ee741 100644
--- a/src/mame/drivers/quantum.c
+++ b/src/mame/drivers/quantum.c
@@ -249,8 +249,6 @@ static MACHINE_DRIVER_START( quantum )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 900, 0, 600)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(avg_quantum)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/segag80v.c b/src/mame/drivers/segag80v.c
index 50b523a20fa..b6d92eeb1cd 100644
--- a/src/mame/drivers/segag80v.c
+++ b/src/mame/drivers/segag80v.c
@@ -925,8 +925,6 @@ static MACHINE_DRIVER_START( g80v_base )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(512, 1536, 640-32, 1408+32)
 
-	MDRV_PALETTE_LENGTH(256)
-
 	MDRV_VIDEO_START(sega)
 	MDRV_VIDEO_UPDATE(sega)
 
diff --git a/src/mame/drivers/starwars.c b/src/mame/drivers/starwars.c
index 6035a44ce48..fcf75bb4183 100644
--- a/src/mame/drivers/starwars.c
+++ b/src/mame/drivers/starwars.c
@@ -398,8 +398,6 @@ static MACHINE_DRIVER_START( starwars )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 250, 0, 280)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(avg_starwars)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/tempest.c b/src/mame/drivers/tempest.c
index 2ad26c14a54..6509f828b96 100644
--- a/src/mame/drivers/tempest.c
+++ b/src/mame/drivers/tempest.c
@@ -594,8 +594,6 @@ static MACHINE_DRIVER_START( tempest )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 580, 0, 570)
 
-	MDRV_PALETTE_LENGTH(256)
-
 	MDRV_VIDEO_START(avg_tempest)
 	MDRV_VIDEO_UPDATE(vector)
 
diff --git a/src/mame/drivers/vertigo.c b/src/mame/drivers/vertigo.c
index a34cc1b13b6..4f5af1c2429 100644
--- a/src/mame/drivers/vertigo.c
+++ b/src/mame/drivers/vertigo.c
@@ -122,8 +122,6 @@ static MACHINE_DRIVER_START( vertigo )
 	MDRV_SCREEN_SIZE(400, 300)
 	MDRV_SCREEN_VISIBLE_AREA(0, 510, 0, 400)
 
-	MDRV_PALETTE_LENGTH(32768)
-
 	MDRV_VIDEO_START(vector)
 	MDRV_VIDEO_UPDATE(vector)
 MACHINE_DRIVER_END