diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
diff --git a/src/Microsoft.DotNet.Darc/src/DarcLib/Helpers/VersionFiles.cs b/src/Microsoft.DotNet.Darc/src/DarcLib/Helpers/VersionFiles.cs
index b23b73d26b..12bd720aa0 100644
--- a/src/Microsoft.DotNet.Darc/src/DarcLib/Helpers/VersionFiles.cs
+++ b/src/Microsoft.DotNet.Darc/src/DarcLib/Helpers/VersionFiles.cs
@@ -85,12 +85,6 @@ public static (string BuildId, string ReleaseLabel) DeriveBuildInfo(string repoN
 
         if (releaseParts.Length == 3)
         {
-            // VSTest uses full dates for the first part of their preview build numbers
-            if (repoName.Contains("vstest"))
-            {
-                return ($"{releaseParts[1]}.{releaseParts[2]}", releaseParts[0]);
-            }
-                
             if (int.TryParse(releaseParts[1], out int datePart) && int.TryParse(releaseParts[2], out int buildPart))
             {
                 if (datePart > 1 && datePart < 8 && buildPart > 1000 && buildPart < 10000)
diff --git a/src/Microsoft.DotNet.Darc/tests/Microsoft.DotNet.DarcLib.Tests/Helpers/VersionFileTests.cs b/src/Microsoft.DotNet.Darc/tests/Microsoft.DotNet.DarcLib.Tests/Helpers/VersionFileTests.cs
index 266f2c44c2..0ecc93b66a 100644
--- a/src/Microsoft.DotNet.Darc/tests/Microsoft.DotNet.DarcLib.Tests/Helpers/VersionFileTests.cs
+++ b/src/Microsoft.DotNet.Darc/tests/Microsoft.DotNet.DarcLib.Tests/Helpers/VersionFileTests.cs
@@ -32,13 +32,6 @@ public void OldPreviewVersionIsDerivedTest()
             .Should().Be((DateTime.Now.ToString("20220413.1"), "beta"));
     }
 
-    [Test]
-    public void VsTestVersionIsDerivedTest()
-    {
-        VersionFiles.DeriveBuildInfo("vstest", "17.4.0-preview-20220813-01")
-            .Should().Be((DateTime.Now.ToString("20220813.01"), "preview"));
-    }
-
     [Test]
     public void NewPreviewVersionIsDerivedTest()
     {