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-rw-r--r--src/mame/drivers/hp48.cpp1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/mame/drivers/hp48.cpp b/src/mame/drivers/hp48.cpp
index 5288b93b638..da3f184b779 100644
--- a/src/mame/drivers/hp48.cpp
+++ b/src/mame/drivers/hp48.cpp
@@ -1171,7 +1171,6 @@ void hp48_state::hp48_common(machine_config &config)
SPEAKER(config, "speaker").front_center();
DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5);
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
- vref.set_output(5.0);
vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
}