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-rw-r--r--src/mame/audio/segag80r.cpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/mame/audio/segag80r.cpp b/src/mame/audio/segag80r.cpp
index 4acd7c2104a..32088ede5a4 100644
--- a/src/mame/audio/segag80r.cpp
+++ b/src/mame/audio/segag80r.cpp
@@ -14,7 +14,6 @@
#include "audio/segag80r.h"
#include "sound/dac.h"
-#include "sound/volt_reg.h"
#include "speaker.h"
@@ -583,9 +582,6 @@ void monsterb_sound_device::device_add_mconfig(machine_config &config)
m_music->add_route(ALL_OUTPUTS, "speaker", 0.5);
DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // 50K (R91-97)/100K (R98-106) ladder network
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
SPEAKER(config, "speaker").front_center();
}