diff --git a/build/BuildEnv.shade b/build/BuildEnv.shade
index fca448e8d0..ac53a85bd6 100644
--- a/build/BuildEnv.shade
+++ b/build/BuildEnv.shade
@@ -7,16 +7,7 @@ functions
     {
         get 
         {
-            string buildNumber = Environment.GetEnvironmentVariable("BUILD_NUMBER");
-            if (String.IsNullOrEmpty(buildNumber))
-            {
-                return "t" + DateTime.UtcNow.ToString("yyMMddHHmmss");
-            }
-
-            buildNumber = "alpha2-" + buildNumber.PadLeft(4, (char)'0');
-
-            return buildNumber;
-                   
+            return "t" + DateTime.UtcNow.ToString("yyMMddHHmmss");
         }
     }
   }
diff --git a/build/_k-standard-goals.shade b/build/_k-standard-goals.shade
index ce16c61b8f..494eed99a4 100644
--- a/build/_k-standard-goals.shade
+++ b/build/_k-standard-goals.shade
@@ -12,7 +12,10 @@ default TEST_DIR='${Path.Combine(TARGET_DIR, "test")}'
 default Configuration='Release'
 
 @{
-  E("K_BUILD_VERSION", BuildNumber);
+  if (string.IsNullOrEmpty(E("K_BUILD_VERSION")))
+  {
+    E("K_BUILD_VERSION", BuildNumber);
+  }
   if (string.IsNullOrEmpty(E("K_AUTHOR")))
   {
     E("K_AUTHOR", AUTHORS);