diff --git a/src/BizHawk.Emulation.Cores/SideBySideVideo.cs b/src/BizHawk.Emulation.Cores/SideBySideVideo.cs
deleted file mode 100644
index 564bff1152..0000000000
--- a/src/BizHawk.Emulation.Cores/SideBySideVideo.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-using BizHawk.Emulation.Common;
-
-namespace BizHawk.Emulation.Cores
-{
-	public class SideBySideVideo : IVideoProvider
-	{
-		public SideBySideVideo(IVideoProvider l, IVideoProvider r)
-		{
-			_l = l;
-			_r = r;
-			_buff = new int[BufferWidth * BufferHeight];
-		}
-
-		private static unsafe void Blit(int* src, int srcp, int* dst, int dstp, int w, int h)
-		{
-			int* srcend = src + h * srcp;
-			while (src < srcend)
-			{
-				for (int j = 0; j < w; j++)
-					dst[j] = src[j];
-				src += srcp;
-				dst += dstp;
-			}
-		}
-
-		public unsafe void Fetch()
-		{
-			int h = BufferHeight;
-			int w = BufferWidth;
-
-			fixed(int* _pl = _l.GetVideoBuffer(), _pr = _r.GetVideoBuffer(), _pd = _buff)
-			{
-				Blit(_pl, w / 2, _pd, w, w / 2, h);
-				Blit(_pr, w / 2, _pd + w / 2, w, w / 2, h);
-			}
-		}
-		private readonly IVideoProvider _l;
-		private readonly IVideoProvider _r;
-		private int[] _buff;
-		public int BackgroundColor => _l.BackgroundColor;
-		public int BufferHeight => _l.BufferHeight;
-		public int BufferWidth => _l.BufferWidth * 2;
-		public int VirtualHeight => _l.VirtualHeight;
-		public int VirtualWidth => _l.VirtualWidth * 2;
-		public int VsyncDenominator => _l.VsyncDenominator;
-		public int VsyncNumerator => _l.VsyncNumerator;
-
-		public int[] GetVideoBuffer()
-		{
-			return _buff;
-		}
-	}
-}