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Diffstat (limited to 'src/mame/drivers/bking.cpp')
-rw-r--r--src/mame/drivers/bking.cpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/mame/drivers/bking.cpp b/src/mame/drivers/bking.cpp
index a7552593bba..38a2c18f3af 100644
--- a/src/mame/drivers/bking.cpp
+++ b/src/mame/drivers/bking.cpp
@@ -25,7 +25,6 @@ DIP Locations verified for:
#include "machine/watchdog.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "speaker.h"
@@ -435,9 +434,6 @@ void bking_state::bking(machine_config &config)
ay2.add_route(ALL_OUTPUTS, "speaker", 0.25);
DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}
void bking_state::bking3(machine_config &config)