diff --git a/src/mame/drivers/bzone.c b/src/mame/drivers/bzone.c
index 6b7cdee261c..4922911e7a4 100644
--- a/src/mame/drivers/bzone.c
+++ b/src/mame/drivers/bzone.c
@@ -309,7 +309,6 @@ static ADDRESS_MAP_START( bzone_map, AS_PROGRAM, 8, bzone_state )
 	AM_RANGE(0x1800, 0x1800) AM_DEVREAD_LEGACY("mathbox", mathbox_status_r)
 	AM_RANGE(0x1810, 0x1810) AM_DEVREAD_LEGACY("mathbox", mathbox_lo_r)
 	AM_RANGE(0x1818, 0x1818) AM_DEVREAD_LEGACY("mathbox", mathbox_hi_r)
-//  AM_RANGE(0x1820, 0x182f) AM_DEVREADWRITE_LEGACY("pokey", pokey_r, pokey_w)
 	AM_RANGE(0x1820, 0x182f) AM_DEVREADWRITE("pokey", pokeyn_device, read, write)
 	AM_RANGE(0x1840, 0x1840) AM_DEVWRITE_LEGACY("discrete", bzone_sounds_w)
 	AM_RANGE(0x1860, 0x187f) AM_DEVWRITE_LEGACY("mathbox", mathbox_go_w)
@@ -334,8 +333,7 @@ static ADDRESS_MAP_START( redbaron_map, AS_PROGRAM, 8, bzone_state )
 	AM_RANGE(0x1808, 0x1808) AM_DEVWRITE_LEGACY("custom", redbaron_joysound_w)	/* and select joystick pot also */
 	AM_RANGE(0x180a, 0x180a) AM_WRITENOP				/* sound reset, yet todo */
 	AM_RANGE(0x180c, 0x180c) AM_DEVWRITE("earom", atari_vg_earom_device, ctrl_w)
-	//AM_RANGE(0x1810, 0x181f) AM_DEVREADWRITE_LEGACY("pokey", pokey_r, pokey_w)
-	AM_RANGE(0x1820, 0x182f) AM_DEVREADWRITE("pokey", pokeyn_device, read, write)
+	AM_RANGE(0x1810, 0x181f) AM_DEVREADWRITE("pokey", pokeyn_device, read, write)
 	AM_RANGE(0x1820, 0x185f) AM_DEVREADWRITE("earom", atari_vg_earom_device, read, write)
 	AM_RANGE(0x1860, 0x187f) AM_DEVWRITE_LEGACY("mathbox", mathbox_go_w)
 	AM_RANGE(0x2000, 0x2fff) AM_RAM AM_BASE_LEGACY(&avgdvg_vectorram) AM_SIZE_LEGACY(&avgdvg_vectorram_size) AM_REGION("maincpu", 0x2000)