diff --git a/src/Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport.csproj b/src/Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport.csproj
index 423e64725fa..1f56dfcf718 100644
--- a/src/Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport.csproj
+++ b/src/Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport/Microsoft.NET.Sdk.Razor.SourceGenerators.Transport.csproj
@@ -20,7 +20,6 @@
     <ItemGroup>
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Compiler\$(Configuration)\netstandard2.0\*.*" Exclude="$(ArtifactsBinDir)**\*.pdb" PackagePath="\source-generators" />
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\netstandard2.0\Microsoft.Extensions.ObjectPool.dll" PackagePath="\source-generators" />
-      <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\netstandard2.0\System.Collections.Immutable.dll" PackagePath="\source-generators" />
     </ItemGroup>
   </Target>
 
diff --git a/src/Compiler/Microsoft.Net.Compilers.Razor.Toolset/Microsoft.Net.Compilers.Razor.Toolset.csproj b/src/Compiler/Microsoft.Net.Compilers.Razor.Toolset/Microsoft.Net.Compilers.Razor.Toolset.csproj
index 5aeeccbf89b..11d890c9872 100644
--- a/src/Compiler/Microsoft.Net.Compilers.Razor.Toolset/Microsoft.Net.Compilers.Razor.Toolset.csproj
+++ b/src/Compiler/Microsoft.Net.Compilers.Razor.Toolset/Microsoft.Net.Compilers.Razor.Toolset.csproj
@@ -36,7 +36,6 @@
     <ItemGroup>
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Compiler\$(Configuration)\$(TargetFramework)\*.dll" PackagePath="\source-generators" />
       <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\$(TargetFramework)\Microsoft.Extensions.ObjectPool.dll" PackagePath="\source-generators" />
-      <Content Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Razor.Tooling.Internal\$(Configuration)\$(TargetFramework)\System.Collections.Immutable.dll" PackagePath="\source-generators" />
     </ItemGroup>
   </Target>
 
diff --git a/src/Compiler/tools/Microsoft.CodeAnalysis.Razor.Tooling.Internal/Microsoft.CodeAnalysis.Razor.Tooling.Internal.csproj b/src/Compiler/tools/Microsoft.CodeAnalysis.Razor.Tooling.Internal/Microsoft.CodeAnalysis.Razor.Tooling.Internal.csproj
index 45c3032e4ba..c9d7d588197 100644
--- a/src/Compiler/tools/Microsoft.CodeAnalysis.Razor.Tooling.Internal/Microsoft.CodeAnalysis.Razor.Tooling.Internal.csproj
+++ b/src/Compiler/tools/Microsoft.CodeAnalysis.Razor.Tooling.Internal/Microsoft.CodeAnalysis.Razor.Tooling.Internal.csproj
@@ -16,7 +16,6 @@
     <Content Include="$(OutDir)Microsoft.CodeAnalysis.Razor.Compiler.dll" PackagePath="lib\$(TargetFramework)" />
     <Content Include="$(OutDir)Microsoft.AspNetCore.Razor.Utilities.Shared.dll" PackagePath="lib\$(TargetFramework)" />
     <Content Include="$(OutDir)Microsoft.Extensions.ObjectPool.dll" PackagePath="lib\$(TargetFramework)" />
-    <Content Include="$(OutDir)System.Collections.Immutable.dll" PackagePath="lib\$(TargetFramework)" />
   </ItemGroup>
 
 </Project>