diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 8173eb36e3..d99f5b9aca 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -57,10 +57,6 @@
       <Uri>https://github.com/dotnet/efcore</Uri>
       <Sha>0f28f7168a1a6b1f34ccc4546eb6d5d667fee011</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.AspNetCore.Analyzer.Testing" Version="5.0.0-preview.4.20201.2" CoherentParentDependency="Microsoft.AspNetCore.Razor.Language">
-      <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>03c40031d618f923aa88da125cb078aabde9ebb1</Sha>
-    </Dependency>
     <Dependency Name="Microsoft.Extensions.Caching.Abstractions" Version="5.0.0-preview.4.20201.2" CoherentParentDependency="Microsoft.AspNetCore.Razor.Language">
       <Uri>https://github.com/dotnet/extensions</Uri>
       <Sha>03c40031d618f923aa88da125cb078aabde9ebb1</Sha>
@@ -324,10 +320,6 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>e1fa5d7648d46f067e265211fc2c695d409fe788</Sha>
     </Dependency>
-    <Dependency Name="Internal.AspNetCore.Analyzers" Version="5.0.0-preview.4.20201.2" CoherentParentDependency="Microsoft.AspNetCore.Razor.Language">
-      <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>03c40031d618f923aa88da125cb078aabde9ebb1</Sha>
-    </Dependency>
     <Dependency Name="Microsoft.DotNet.GenAPI" Version="5.0.0-beta.20180.5">
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>09bb9d929120b402348c9a0e9c8c951e824059aa</Sha>
diff --git a/eng/Versions.props b/eng/Versions.props
index 79457889be..3b23034dfb 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -96,8 +96,6 @@
     <!-- Packages from dotnet/blazor -->
     <MicrosoftAspNetCoreBlazorMonoPackageVersion>3.2.0-preview1.20067.1</MicrosoftAspNetCoreBlazorMonoPackageVersion>
     <!-- Packages from dotnet/extensions -->
-    <InternalAspNetCoreAnalyzersPackageVersion>5.0.0-preview.4.20201.2</InternalAspNetCoreAnalyzersPackageVersion>
-    <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>5.0.0-preview.4.20201.2</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>
     <MicrosoftExtensionsCachingAbstractionsPackageVersion>5.0.0-preview.4.20201.2</MicrosoftExtensionsCachingAbstractionsPackageVersion>
     <MicrosoftExtensionsCachingMemoryPackageVersion>5.0.0-preview.4.20201.2</MicrosoftExtensionsCachingMemoryPackageVersion>
     <MicrosoftExtensionsCachingSqlServerPackageVersion>5.0.0-preview.4.20201.2</MicrosoftExtensionsCachingSqlServerPackageVersion>
@@ -168,6 +166,9 @@
     <MicrosoftNETCoreAppRuntimeVersion>$(MicrosoftNETCoreAppRuntimewinx64PackageVersion)</MicrosoftNETCoreAppRuntimeVersion>
   </PropertyGroup>
   <PropertyGroup Label="Manual">
+    <!-- Analyzer packages pinned temporarily until migrated/deprecated -->
+    <InternalAspNetCoreAnalyzersPackageVersion>5.0.0-preview.4.20201.1</InternalAspNetCoreAnalyzersPackageVersion>
+    <MicrosoftAspNetCoreAnalyzerTestingPackageVersion>5.0.0-preview.4.20201.1</MicrosoftAspNetCoreAnalyzerTestingPackageVersion>
     <!-- Build tool dependencies -->
     <InternalAspNetCoreBuildTasksPackageVersion>3.0.0-build-20190530.3</InternalAspNetCoreBuildTasksPackageVersion>
     <MicrosoftSymbolUploaderBuildTaskPackageVersion>1.0.0-beta-64023-03</MicrosoftSymbolUploaderBuildTaskPackageVersion>