diff --git a/scripts/build/TestPlatform.Dependencies.props b/scripts/build/TestPlatform.Dependencies.props
index 7844e64ac3..cff00fd138 100644
--- a/scripts/build/TestPlatform.Dependencies.props
+++ b/scripts/build/TestPlatform.Dependencies.props
@@ -31,7 +31,7 @@
     <NuGetFrameworksVersion>5.0.0</NuGetFrameworksVersion>
     <JsonNetVersion>9.0.1</JsonNetVersion>
     <MoqVersion>4.7.63</MoqVersion>
-    <TestPlatformExternalsVersion>16.9.0-preview-4189539</TestPlatformExternalsVersion>
+    <TestPlatformExternalsVersion>16.9.0-preview-4250332</TestPlatformExternalsVersion>
     <CodeCoverageExternalsVersion>16.9.0-beta.20570.2</CodeCoverageExternalsVersion>
     <MicrosoftFakesVersion>16.8.0-beta.20420.2</MicrosoftFakesVersion>
 
diff --git a/scripts/verify-nupkgs.ps1 b/scripts/verify-nupkgs.ps1
index 3b2e95f451..70f48ec763 100644
--- a/scripts/verify-nupkgs.ps1
+++ b/scripts/verify-nupkgs.ps1
@@ -15,7 +15,7 @@ function Verify-Nuget-Packages($packageDirectory, $version)
     $expectedNumOfFiles = @{
                      "Microsoft.CodeCoverage" = 44;
                      "Microsoft.NET.Test.Sdk" = 18;
-                     "Microsoft.TestPlatform" = 487;
+                     "Microsoft.TestPlatform" = 486;
                      "Microsoft.TestPlatform.Build" = 19;
                      "Microsoft.TestPlatform.CLI" = 353;
                      "Microsoft.TestPlatform.Extensions.TrxLogger" = 33;
diff --git a/src/package/nuspec/Microsoft.TestPlatform.nuspec b/src/package/nuspec/Microsoft.TestPlatform.nuspec
index 1d2e650fd7..504f900f82 100644
--- a/src/package/nuspec/Microsoft.TestPlatform.nuspec
+++ b/src/package/nuspec/Microsoft.TestPlatform.nuspec
@@ -267,7 +267,6 @@
     <file src="net451\$Runtime$\Extensions\Microsoft.VisualStudio.TestTools.DataCollection.MediaRecorder.Model.dll"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\Microsoft.VisualStudio.TestTools.DataCollection.MediaRecorder.Model.dll" />
     <file src="net451\$Runtime$\Extensions\Microsoft.VisualStudio.TestTools.DataCollection.VideoRecorderCollector.dll"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\Microsoft.VisualStudio.TestTools.DataCollection.VideoRecorderCollector.dll" />
     <file src="net451\$Runtime$\Extensions\Microsoft.VisualStudio.TraceDataCollector.dll"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\Microsoft.VisualStudio.TraceDataCollector.dll" />
-    <file src="net451\$Runtime$\Extensions\Microsoft.VisualStudio.Coverage.Interop.dll"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\Microsoft.VisualStudio.Coverage.Interop.dll" />
     <file src="net451\$Runtime$\Extensions\VideoRecorder\VSTestVideoRecorder.exe"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\VideoRecorder\VSTestVideoRecorder.exe" />
     <file src="net451\$Runtime$\Extensions\Cpp\dbghelp.dll"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\Cpp\dbghelp.dll" />
     <file src="net451\$Runtime$\Extensions\Cpp\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Discoverer.dll"	target="tools\net451\Common7\IDE\Extensions\TestPlatform\Extensions\Cpp\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Discoverer.dll" />
diff --git a/src/package/sign/sign.proj b/src/package/sign/sign.proj
index f7082ad6fd..014d06c450 100644
--- a/src/package/sign/sign.proj
+++ b/src/package/sign/sign.proj
@@ -136,7 +136,6 @@
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.Enterprise.AspNetHelper.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.ArchitectureTools.PEReader.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)Extensions\Microsoft.VisualStudio.TraceDataCollector.dll" />
-      <AssembliesToSign Include="$(ArtifactsDirectory)Extensions\Microsoft.VisualStudio.Coverage.Interop.dll" />
 
       <!-- CUIT related dlls -->
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.Diagnostics.Measurement.dll" />