diff --git a/src/mess/drivers/victor9k.c b/src/mess/drivers/victor9k.c
index 9748fed3a7d..380be41ae19 100644
--- a/src/mess/drivers/victor9k.c
+++ b/src/mess/drivers/victor9k.c
@@ -1078,8 +1078,6 @@ static MACHINE_CONFIG_START( victor9k, victor9k_state )
 	MCFG_DEVICE_ADD(M6522_1_TAG, VIA6522, XTAL_30MHz/30)
 	MCFG_VIA6522_READPA_HANDLER(DEVREAD8(IEEE488_TAG, ieee488_device, dio_r))
 	MCFG_VIA6522_READPB_HANDLER(READ8(victor9k_state, via1_pb_r))
-	MCFG_VIA6522_READCA1_HANDLER(DEVREADLINE(IEEE488_TAG, ieee488_device, nrfd_r))
-	MCFG_VIA6522_READCA2_HANDLER(DEVREADLINE(IEEE488_TAG, ieee488_device, ndac_r))
 	MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(victor9k_state, via1_pa_w))
 	MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(victor9k_state, via1_pb_w))
 	MCFG_VIA6522_CB2_HANDLER(WRITELINE(victor9k_state, codec_vol_w))