diff --git a/scripts/build/TestPlatform.Dependencies.props b/scripts/build/TestPlatform.Dependencies.props
index fc53f36c50..3ccf1bc6de 100644
--- a/scripts/build/TestPlatform.Dependencies.props
+++ b/scripts/build/TestPlatform.Dependencies.props
@@ -59,12 +59,13 @@
     <ILAsmPackageVersion>5.0.0</ILAsmPackageVersion>
     <JsonNetVersion>9.0.1</JsonNetVersion>
 
-    <TestPlatformExternalsVersion>17.3.0-preview-2-32502-021</TestPlatformExternalsVersion>
-    <!-- <TestPlatformMSDiaVersion>$(TestPlatformExternalsVersion)</TestPlatformMSDiaVersion> -->
-    <TestPlatformMSDiaVersion>17.1.0-preview-2-31925-026</TestPlatformMSDiaVersion>
+    <!-- We cannot reuse $(msbuildvar) because we need the text value inside build.ps1 -->
+    <TestPlatformExternalsVersion>17.3.32621.448</TestPlatformExternalsVersion>
     <!-- Portable CPP test runner -->
-    <TestPlatformRemoteExternalsVersion>17.1.0-preview-2-31925-026</TestPlatformRemoteExternalsVersion>
-    <InteropExternalsVersion>17.1.0-preview-2-31925-026</InteropExternalsVersion>
+    <TestPlatformRemoteExternalsVersion>17.3.32621.448</TestPlatformRemoteExternalsVersion>
+    <TestPlatformMSDiaVersion>17.3.32621.448</TestPlatformMSDiaVersion>
+    <InteropExternalsVersion>17.3.32621.448</InteropExternalsVersion>
+    
     <MicrosoftFakesVersion>17.0.0-beta.21179.1</MicrosoftFakesVersion>
     <MicrosoftBuildPackageVersion>16.0.461</MicrosoftBuildPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>$(MicrosoftBuildPackageVersion)</MicrosoftBuildFrameworkPackageVersion>
diff --git a/src/package/sign/sign.proj b/src/package/sign/sign.proj
index 2555b54af3..8bd02a617a 100644
--- a/src/package/sign/sign.proj
+++ b/src/package/sign/sign.proj
@@ -147,14 +147,6 @@
       <AssembliesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.TestPlatform.Utilities.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.VisualStudio.TestPlatform.Common.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Arm.Resources.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.arm64.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Executor.Arm.Resources.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)TestHost\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Executor.arm64.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)Extensions\Cpp\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Arm.Resources.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)Extensions\Cpp\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.arm64.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)Extensions\Cpp\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Executor.Arm.Resources.dll" />
-      <NativeBinariesToSign Include="$(ArtifactsDirectory)Extensions\Cpp\Microsoft.VisualStudio.TestTools.CppUnitTestFramework.Executor.arm64.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)TestHost\testhost.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)TestHost\win10-arm64\Microsoft.TestPlatform.PlatformAbstractions.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)TestHost\win10-arm64\testhost.arm64.dll" />