diff --git a/bin/TerrainFilters/demofilter.cs b/bin/TerrainFilters/demofilter.cs
deleted file mode 100644
index 4b48571152..0000000000
--- a/bin/TerrainFilters/demofilter.cs
+++ /dev/null
@@ -1,50 +0,0 @@
-using System;
-using libTerrain;
-using OpenSim.Terrain;
-
-/// <summary>
-/// A Demonstration Filter
-/// </summary>
-public class DemoFilter : ITerrainFilter
-{
-    public void Filter(Channel heightmap, string[] args)
-    {
-        Console.WriteLine("Hello world");
-    }
-
-    public string Register()
-    {
-        return "demofilter";
-    }
-
-    public string Help()
-    {
-        return "demofilter - Does nothing\n";
-    }
-}
-
-public class SineFilter : ITerrainFilter
-{
-    public void Filter(Channel heightmap, string[] args)
-    {
-        double max = heightmap.findMax();
-
-        for (int x = 0; x < heightmap.w; x++)
-        {
-            for (int y = 0; y < heightmap.h; y++)
-            {
-                heightmap.set(x,y,((Math.Sin(heightmap.get(x,y) * Convert.ToDouble(args[1])) + 1) / 2) * max);
-            }
-        }
-    }
-
-    public string Register()
-    {
-        return "sinefilter";
-    }
-
-    public string Help()
-    {
-        return "sinefilter <theta> - Converts the heightmap to the functional output of a sine wave";
-    }
-}
\ No newline at end of file