diff --git a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
index a88d8f7e8d..d85240645c 100644
--- a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
+++ b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
@@ -146,7 +146,6 @@
-
diff --git a/BizHawk.Emulation.Common/Sound/Utilities/Equalizer.cs b/BizHawk.Emulation.Common/Sound/Utilities/Equalizer.cs
deleted file mode 100644
index 651101c24a..0000000000
--- a/BizHawk.Emulation.Common/Sound/Utilities/Equalizer.cs
+++ /dev/null
@@ -1,98 +0,0 @@
-// C# port of C-based 3-band equalizer (C) Neil C / Etanza Systems / 2006
-
-using System;
-
-namespace BizHawk.Emulation.Common
-{
- public sealed class Equalizer
- {
- private double lowFilter;
- private double lowFilterPole0;
- private double lowFilterPole1;
- private double lowFilterPole2;
- private double lowFilterPole3;
-
- private double highFilter;
- private double highFilterPole0;
- private double highFilterPole1;
- private double highFilterPole2;
- private double highFilterPole3;
-
- private double sampleDataMinus1;
- private double sampleDataMinus2;
- private double sampleDataMinus3;
-
- private double lowGain;
- private double midGain;
- private double highGain;
-
- private const double sampleRate = 44100.0;
- private const double verySmallAmount = 1.0 / 4294967295.0;
-
- private double lowfreq;
-
- public double LowFreqCutoff
- {
- get { return lowfreq; }
- set
- {
- lowfreq = value;
- lowFilter = 2 * Math.Sin(Math.PI * (lowfreq / sampleRate));
- }
- }
-
- private double highfreq;
- public double HighFreqCutoff
- {
- get { return highfreq; }
- set
- {
- highfreq = value;
- highFilter = 2 * Math.Sin(Math.PI * (highfreq / sampleRate));
- }
- }
-
- public Equalizer(double lowFreq = 880, double highFreq = 5000)
- {
- lowGain = 1.3;
- midGain = 0.9;
- highGain = 1.3;
- LowFreqCutoff = lowFreq;
- HighFreqCutoff = highFreq;
- }
-
- public short EqualizeSample(short sample)
- {
- lowFilterPole0 += (lowFilter * (sample - lowFilterPole0)) + verySmallAmount;
- lowFilterPole1 += lowFilter * (lowFilterPole0 - lowFilterPole1);
- lowFilterPole2 += lowFilter * (lowFilterPole1 - lowFilterPole2);
- lowFilterPole3 += lowFilter * (lowFilterPole2 - lowFilterPole3);
- double l = lowFilterPole3;
-
- highFilterPole0 += (highFilter * (sample - highFilterPole0)) + verySmallAmount;
- highFilterPole1 += highFilter * (highFilterPole0 - highFilterPole1);
- highFilterPole2 += highFilter * (highFilterPole1 - highFilterPole2);
- highFilterPole3 += highFilter * (highFilterPole2 - highFilterPole3);
- double h = sampleDataMinus3 - highFilterPole3;
-
- double m = sample - (h + l);
- l *= lowGain;
- m *= midGain;
- h *= highGain;
-
- sampleDataMinus3 = sampleDataMinus2;
- sampleDataMinus2 = sampleDataMinus1;
- sampleDataMinus1 = sample;
-
- return (short)(l + m + h);
- }
-
- public void Equalize(short[] samples)
- {
- for (int i = 0; i < samples.Length; i++)
- {
- samples[i] = EqualizeSample(samples[i]);
- }
- }
- }
-}
\ No newline at end of file