diff --git a/source/Cosmos.Build.Common/ExtensionMethods.cs b/source/Cosmos.Build.Common/ExtensionMethods.cs
deleted file mode 100644
index cd1b8c140..000000000
--- a/source/Cosmos.Build.Common/ExtensionMethods.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace Cosmos.Build.Common
-{
-	public static class ExtensionMethods
-	{
-		public static uint Sum(this IEnumerable<uint> source)
-		{
-			if (source == null)
-			{
-				throw new ArgumentNullException("source");
-			}
-			ulong sum = 0Lu;
-			foreach (uint val in source)
-			{
-				sum += val;
-			}
-			return (uint)sum;
-		}
-	}
-}
\ No newline at end of file