diff --git a/src/EditorFeatures/Test2/CodeFixes/CodeFixServiceTests.vb b/src/EditorFeatures/Test2/CodeFixes/CodeFixServiceTests.vb
index cab76f41eba63..5176fb2119f8f 100644
--- a/src/EditorFeatures/Test2/CodeFixes/CodeFixServiceTests.vb
+++ b/src/EditorFeatures/Test2/CodeFixes/CodeFixServiceTests.vb
@@ -25,7 +25,6 @@ Imports Microsoft.CodeAnalysis.UnitTests
 Imports Roslyn.Utilities
 
 Namespace Microsoft.CodeAnalysis.Editor.Implementation.CodeFixes.UnitTests
-
     <[UseExportProvider]>
     <Trait(Traits.Feature, Traits.Features.Diagnostics)>
     Public Class CodeFixServiceTests
@@ -380,8 +379,8 @@ Namespace Microsoft.CodeAnalysis.Editor.Implementation.CodeFixes.UnitTests
                 Return Task.FromResult(False)
             End Function
 
-            Public Function ImplementNotImplementedExceptionsAsync(document As Document, methodOrProperties As ImmutableDictionary(Of CodeAnalysis.CSharp.Syntax.MemberDeclarationSyntax, ImmutableArray(Of ReferencedSymbol)), cancellationToken As CancellationToken) As Task(Of ImmutableDictionary(Of CodeAnalysis.CSharp.Syntax.MemberDeclarationSyntax, ImplementationDetails)) Implements ICopilotCodeAnalysisService.ImplementNotImplementedExceptionsAsync
-                Return Task.FromResult(ImmutableDictionary(Of CodeAnalysis.CSharp.Syntax.MemberDeclarationSyntax, ImplementationDetails).Empty)
+            Public Function ImplementNotImplementedExceptionsAsync(document As Document, methodOrProperties As ImmutableDictionary(Of SyntaxNode, ImmutableArray(Of ReferencedSymbol)), cancellationToken As CancellationToken) As Task(Of ImmutableDictionary(Of SyntaxNode, ImplementationDetails)) Implements ICopilotCodeAnalysisService.ImplementNotImplementedExceptionsAsync
+                Return Task.FromResult(ImmutableDictionary(Of SyntaxNode, ImplementationDetails).Empty)
             End Function
         End Class
     End Class
diff --git a/src/Features/CSharp/Portable/Copilot/CSharpImplementNotImplementedExceptionFixProvider.cs b/src/Features/CSharp/Portable/Copilot/CSharpImplementNotImplementedExceptionFixProvider.cs
index 8684e4c88d745..a39bdfde898bf 100644
--- a/src/Features/CSharp/Portable/Copilot/CSharpImplementNotImplementedExceptionFixProvider.cs
+++ b/src/Features/CSharp/Portable/Copilot/CSharpImplementNotImplementedExceptionFixProvider.cs
@@ -79,7 +79,7 @@ protected override async Task FixAllAsync(
         Document document, ImmutableArray<Diagnostic> diagnostics,
         SyntaxEditor editor, CancellationToken cancellationToken)
     {
-        var memberReferencesBuilder = ImmutableDictionary.CreateBuilder<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>>();
+        var memberReferencesBuilder = ImmutableDictionary.CreateBuilder<SyntaxNode, ImmutableArray<ReferencedSymbol>>();
         var semanticModel = await document.GetRequiredSemanticModelAsync(cancellationToken).ConfigureAwait(false);
 
         foreach (var diagnostic in diagnostics)
@@ -102,8 +102,10 @@ protected override async Task FixAllAsync(
         var copilotService = document.GetRequiredLanguageService<ICopilotCodeAnalysisService>();
         var memberImplementationDetails = await copilotService.ImplementNotImplementedExceptionsAsync(document, memberReferencesBuilder.ToImmutable(), cancellationToken).ConfigureAwait(false);
 
-        foreach (var methodOrProperty in memberReferencesBuilder.Keys)
+        foreach (var node in memberReferencesBuilder.Keys)
         {
+            var methodOrProperty = (MemberDeclarationSyntax)node;
+
             Contract.ThrowIfFalse(memberImplementationDetails.TryGetValue(methodOrProperty, out var implementationDetails));
 
             var replacement = implementationDetails.ReplacementNode;
diff --git a/src/Features/CSharpTest/Copilot/CSharpImplementNotImplementedExceptionFixProviderTests.cs b/src/Features/CSharpTest/Copilot/CSharpImplementNotImplementedExceptionFixProviderTests.cs
index 1bd47a290ce1f..fd66dcfecd896 100644
--- a/src/Features/CSharpTest/Copilot/CSharpImplementNotImplementedExceptionFixProviderTests.cs
+++ b/src/Features/CSharpTest/Copilot/CSharpImplementNotImplementedExceptionFixProviderTests.cs
@@ -173,7 +173,7 @@ public interface IMathService
         }
         .WithMockCopilotService(copilotService =>
         {
-            copilotService.SetupFixAll = (Document document, ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> memberReferences, CancellationToken cancellationToken) =>
+            copilotService.SetupFixAll = (Document document, ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> memberReferences, CancellationToken cancellationToken) =>
             {
                 // Create a map of method/property implementations
                 var implementationMap = new Dictionary<string, string>
@@ -192,7 +192,7 @@ public interface IMathService
                 };
 
                 // Process each member reference and create implementation details
-                var resultsBuilder = ImmutableDictionary.CreateBuilder<MemberDeclarationSyntax, ImplementationDetails>();
+                var resultsBuilder = ImmutableDictionary.CreateBuilder<SyntaxNode, ImplementationDetails>();
                 foreach (var memberReference in memberReferences)
                 {
                     var memberNode = memberReference.Key;
@@ -634,7 +634,7 @@ public TestCopilotCodeAnalysisService()
         {
         }
 
-        public Func<Document, ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>>, CancellationToken, ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>>? SetupFixAll { get; internal set; }
+        public Func<Document, ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>>, CancellationToken, ImmutableDictionary<SyntaxNode, ImplementationDetails>>? SetupFixAll { get; internal set; }
 
         public ImplementationDetails? PrepareUsingSingleFakeResult { get; internal set; }
 
@@ -662,9 +662,9 @@ public Task StartRefinementSessionAsync(Document oldDocument, Document newDocume
         Task<(Dictionary<string, string>? responseDictionary, bool isQuotaExceeded)> ICopilotCodeAnalysisService.GetDocumentationCommentAsync(DocumentationCommentProposal proposal, CancellationToken cancellationToken)
             => throw new NotImplementedException();
 
-        public Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>> ImplementNotImplementedExceptionsAsync(
+        public Task<ImmutableDictionary<SyntaxNode, ImplementationDetails>> ImplementNotImplementedExceptionsAsync(
             Document document,
-            ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties,
+            ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties,
             CancellationToken cancellationToken)
         {
             if (SetupFixAll != null)
@@ -677,14 +677,14 @@ public Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>>
                 return Task.FromResult(CreateSingleNodeResult(methodOrProperties, PrepareUsingSingleFakeResult));
             }
 
-            return Task.FromResult(ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>.Empty);
+            return Task.FromResult(ImmutableDictionary<SyntaxNode, ImplementationDetails>.Empty);
         }
 
-        private static ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails> CreateSingleNodeResult(
-            ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties,
+        private static ImmutableDictionary<SyntaxNode, ImplementationDetails> CreateSingleNodeResult(
+            ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties,
             ImplementationDetails implementationDetails)
         {
-            var resultsBuilder = ImmutableDictionary.CreateBuilder<MemberDeclarationSyntax, ImplementationDetails>();
+            var resultsBuilder = ImmutableDictionary.CreateBuilder<SyntaxNode, ImplementationDetails>();
             foreach (var methodOrProperty in methodOrProperties)
             {
                 resultsBuilder.Add(methodOrProperty.Key, implementationDetails);
diff --git a/src/Features/Core/Portable/Copilot/ICopilotCodeAnalysisService.cs b/src/Features/Core/Portable/Copilot/ICopilotCodeAnalysisService.cs
index 0df44b14c6463..c8e4a55485f86 100644
--- a/src/Features/Core/Portable/Copilot/ICopilotCodeAnalysisService.cs
+++ b/src/Features/Core/Portable/Copilot/ICopilotCodeAnalysisService.cs
@@ -6,7 +6,6 @@
 using System.Collections.Immutable;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.DocumentationComments;
 using Microsoft.CodeAnalysis.FindSymbols;
 using Microsoft.CodeAnalysis.Host;
@@ -98,8 +97,8 @@ internal interface ICopilotCodeAnalysisService : ILanguageService
     /// Implements methods or properties containing <see cref="System.NotImplementedException"/> throws in the given <paramref name="document"/>.
     /// </summary>
     /// <returns>A dictionary mapping the original syntax nodes to their implementation details.</returns>
-    Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>> ImplementNotImplementedExceptionsAsync(
+    Task<ImmutableDictionary<SyntaxNode, ImplementationDetails>> ImplementNotImplementedExceptionsAsync(
         Document document,
-        ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties,
+        ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties,
         CancellationToken cancellationToken);
 }
diff --git a/src/Features/Core/Portable/Microsoft.CodeAnalysis.Features.csproj b/src/Features/Core/Portable/Microsoft.CodeAnalysis.Features.csproj
index 26923dd9450e8..1424adb97aa32 100644
--- a/src/Features/Core/Portable/Microsoft.CodeAnalysis.Features.csproj
+++ b/src/Features/Core/Portable/Microsoft.CodeAnalysis.Features.csproj
@@ -16,7 +16,6 @@
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
-    <ProjectReference Include="..\..\..\Compilers\CSharp\Portable\Microsoft.CodeAnalysis.CSharp.csproj" />
     <ProjectReference Include="..\..\..\Scripting\Core\Microsoft.CodeAnalysis.Scripting.csproj" Aliases="Scripting,global" />
     <ProjectReference Include="..\..\..\Workspaces\Core\Portable\Microsoft.CodeAnalysis.Workspaces.csproj" />
   </ItemGroup>
diff --git a/src/Features/ExternalAccess/Copilot/GenerateImplementation/IExternalCSharpCopilotGenerateImplementationService.cs b/src/Features/ExternalAccess/Copilot/GenerateImplementation/IExternalCSharpCopilotGenerateImplementationService.cs
index ebc044871c47b..906712857e536 100644
--- a/src/Features/ExternalAccess/Copilot/GenerateImplementation/IExternalCSharpCopilotGenerateImplementationService.cs
+++ b/src/Features/ExternalAccess/Copilot/GenerateImplementation/IExternalCSharpCopilotGenerateImplementationService.cs
@@ -5,7 +5,6 @@
 using System.Collections.Immutable;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.ExternalAccess.Copilot.GenerateImplementation;
 using Microsoft.CodeAnalysis.FindSymbols;
 
@@ -13,8 +12,8 @@ namespace Microsoft.CodeAnalysis.ExternalAccess.Copilot;
 
 internal interface IExternalCSharpCopilotGenerateImplementationService
 {
-    Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetailsWrapper>> ImplementNotImplementedExceptionsAsync(
+    Task<ImmutableDictionary<SyntaxNode, ImplementationDetailsWrapper>> ImplementNotImplementedExceptionsAsync(
         Document document,
-        ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties,
+        ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties,
         CancellationToken cancellationToken);
 }
diff --git a/src/Features/ExternalAccess/Copilot/Internal/Analyzer/AbstractCopilotCodeAnalysisService.cs b/src/Features/ExternalAccess/Copilot/Internal/Analyzer/AbstractCopilotCodeAnalysisService.cs
index e5ae13688b414..48af70a1e8696 100644
--- a/src/Features/ExternalAccess/Copilot/Internal/Analyzer/AbstractCopilotCodeAnalysisService.cs
+++ b/src/Features/ExternalAccess/Copilot/Internal/Analyzer/AbstractCopilotCodeAnalysisService.cs
@@ -9,7 +9,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.Copilot;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.DocumentationComments;
 using Microsoft.CodeAnalysis.FindSymbols;
@@ -46,7 +45,7 @@ internal abstract class AbstractCopilotCodeAnalysisService(IDiagnosticsRefresher
     protected abstract Task<(string responseString, bool isQuotaExceeded)> GetOnTheFlyDocsResponseCoreAsync(string prompt, CancellationToken cancellationToken);
     protected abstract Task<bool> IsFileExcludedCoreAsync(string filePath, CancellationToken cancellationToken);
     protected abstract Task<(Dictionary<string, string>? responseDictionary, bool isQuotaExceeded)> GetDocumentationCommentCoreAsync(DocumentationCommentProposal proposal, CancellationToken cancellationToken);
-    protected abstract Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>> ImplementNotImplementedExceptionsCoreAsync(Document document, ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties, CancellationToken cancellationToken);
+    protected abstract Task<ImmutableDictionary<SyntaxNode, ImplementationDetails>> ImplementNotImplementedExceptionsCoreAsync(Document document, ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties, CancellationToken cancellationToken);
     protected abstract bool IsImplementNotImplementedExceptionsAvailableCore();
 
     public Task<bool> IsAvailableAsync(CancellationToken cancellationToken)
@@ -214,9 +213,9 @@ public async Task<bool> IsImplementNotImplementedExceptionsAvailableAsync(Cancel
             && IsImplementNotImplementedExceptionsAvailableCore();
     }
 
-    public async Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>> ImplementNotImplementedExceptionsAsync(
+    public async Task<ImmutableDictionary<SyntaxNode, ImplementationDetails>> ImplementNotImplementedExceptionsAsync(
         Document document,
-        ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties,
+        ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties,
         CancellationToken cancellationToken)
     {
         return await ImplementNotImplementedExceptionsCoreAsync(document, methodOrProperties, cancellationToken).ConfigureAwait(false);
diff --git a/src/Features/ExternalAccess/Copilot/Internal/Analyzer/CSharp/CSharpCopilotCodeAnalysisService.cs b/src/Features/ExternalAccess/Copilot/Internal/Analyzer/CSharp/CSharpCopilotCodeAnalysisService.cs
index 3aacb5260141a..ac005eb0be0e0 100644
--- a/src/Features/ExternalAccess/Copilot/Internal/Analyzer/CSharp/CSharpCopilotCodeAnalysisService.cs
+++ b/src/Features/ExternalAccess/Copilot/Internal/Analyzer/CSharp/CSharpCopilotCodeAnalysisService.cs
@@ -9,7 +9,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.Copilot;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.DocumentationComments;
 using Microsoft.CodeAnalysis.ErrorReporting;
@@ -157,15 +156,15 @@ protected override bool IsImplementNotImplementedExceptionsAvailableCore()
         return GenerateImplementationService is not null;
     }
 
-    protected override async Task<ImmutableDictionary<MemberDeclarationSyntax, ImplementationDetails>> ImplementNotImplementedExceptionsCoreAsync(
+    protected override async Task<ImmutableDictionary<SyntaxNode, ImplementationDetails>> ImplementNotImplementedExceptionsCoreAsync(
         Document document,
-        ImmutableDictionary<MemberDeclarationSyntax, ImmutableArray<ReferencedSymbol>> methodOrProperties,
+        ImmutableDictionary<SyntaxNode, ImmutableArray<ReferencedSymbol>> methodOrProperties,
         CancellationToken cancellationToken)
     {
         Contract.ThrowIfNull(GenerateImplementationService);
         var nodeToWrappers = await GenerateImplementationService.ImplementNotImplementedExceptionsAsync(document, methodOrProperties, cancellationToken).ConfigureAwait(false);
 
-        var resultBuilder = ImmutableDictionary.CreateBuilder<MemberDeclarationSyntax, ImplementationDetails>();
+        var resultBuilder = ImmutableDictionary.CreateBuilder<SyntaxNode, ImplementationDetails>();
         foreach (var nodeToWrapper in nodeToWrappers)
         {
             resultBuilder.Add(
diff --git a/src/Features/ExternalAccess/Copilot/InternalAPI.Unshipped.txt b/src/Features/ExternalAccess/Copilot/InternalAPI.Unshipped.txt
index 52c76edce89ff..7cbb6fdf54e5a 100644
--- a/src/Features/ExternalAccess/Copilot/InternalAPI.Unshipped.txt
+++ b/src/Features/ExternalAccess/Copilot/InternalAPI.Unshipped.txt
@@ -47,11 +47,11 @@ Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotCodeAnalysis
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotCodeAnalysisService.StartRefinementSessionAsync(Microsoft.CodeAnalysis.Document! oldDocument, Microsoft.CodeAnalysis.Document! newDocument, Microsoft.CodeAnalysis.Diagnostic? primaryDiagnostic, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateDocumentationService
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateDocumentationService.GetDocumentationCommentAsync(Microsoft.CodeAnalysis.ExternalAccess.Copilot.CopilotDocumentationCommentProposalWrapper! proposal, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<(System.Collections.Generic.Dictionary<string!, string!>? responseDictionary, bool isQuotaExceeded)>!
+Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateImplementationService.ImplementNotImplementedExceptionsAsync(Microsoft.CodeAnalysis.Document! document, System.Collections.Immutable.ImmutableDictionary<Microsoft.CodeAnalysis.SyntaxNode!, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.FindSymbols.ReferencedSymbol!>>! methodOrProperties, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Collections.Immutable.ImmutableDictionary<Microsoft.CodeAnalysis.SyntaxNode!, Microsoft.CodeAnalysis.ExternalAccess.Copilot.GenerateImplementation.ImplementationDetailsWrapper!>!>!
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpOnTheFlyDocsService
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpOnTheFlyDocsService.GetOnTheFlyDocsPromptAsync(Microsoft.CodeAnalysis.ExternalAccess.Copilot.CopilotOnTheFlyDocsInfoWrapper! onTheFlyDocsInfo, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<string!>!
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpOnTheFlyDocsService.GetOnTheFlyDocsResponseAsync(string! prompt, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<(string! responseString, bool isQuotaExceeded)>!
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateImplementationService
-Microsoft.CodeAnalysis.ExternalAccess.Copilot.IExternalCSharpCopilotGenerateImplementationService.ImplementNotImplementedExceptionsAsync(Microsoft.CodeAnalysis.Document! document, System.Collections.Immutable.ImmutableDictionary<Microsoft.CodeAnalysis.CSharp.Syntax.MemberDeclarationSyntax!, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.FindSymbols.ReferencedSymbol!>>! methodOrProperties, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<System.Collections.Immutable.ImmutableDictionary<Microsoft.CodeAnalysis.CSharp.Syntax.MemberDeclarationSyntax!, Microsoft.CodeAnalysis.ExternalAccess.Copilot.GenerateImplementation.ImplementationDetailsWrapper!>!>!
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.RelatedDocuments.ICopilotRelatedDocumentsService
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.RelatedDocuments.ICopilotRelatedDocumentsService.GetRelatedDocumentIdsAsync(Microsoft.CodeAnalysis.Document! document, int position, System.Func<System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.DocumentId!>, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask>! callbackAsync, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.ValueTask
 Microsoft.CodeAnalysis.ExternalAccess.Copilot.SemanticSearch.ISemanticSearchCopilotServiceImpl
diff --git a/src/Features/ExternalAccess/Copilot/Microsoft.CodeAnalysis.ExternalAccess.Copilot.csproj b/src/Features/ExternalAccess/Copilot/Microsoft.CodeAnalysis.ExternalAccess.Copilot.csproj
index f8e0118535f6a..69e66be254d12 100644
--- a/src/Features/ExternalAccess/Copilot/Microsoft.CodeAnalysis.ExternalAccess.Copilot.csproj
+++ b/src/Features/ExternalAccess/Copilot/Microsoft.CodeAnalysis.ExternalAccess.Copilot.csproj
@@ -26,7 +26,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\..\Compilers\CSharp\Portable\Microsoft.CodeAnalysis.CSharp.csproj" />
     <ProjectReference Include="..\..\Core\Portable\Microsoft.CodeAnalysis.Features.csproj" />
   </ItemGroup>
 
diff --git a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.CSharp.txt b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.CSharp.txt
index 2bdd939afa897..dfbf205adf0a5 100644
--- a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.CSharp.txt
+++ b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.CSharp.txt
@@ -1,4 +1,4 @@
-# Generated, do not update manually
+# Generated, do not update manually
 Microsoft.CodeAnalysis.CSharp.AwaitExpressionInfo
 Microsoft.CodeAnalysis.CSharp.AwaitExpressionInfo.Equals(Microsoft.CodeAnalysis.CSharp.AwaitExpressionInfo)
 Microsoft.CodeAnalysis.CSharp.AwaitExpressionInfo.Equals(System.Object)
diff --git a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.txt b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.txt
index a90379c35f8fe..5db3ecf67e2a4 100644
--- a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.txt
+++ b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/Microsoft.CodeAnalysis.txt
@@ -1,4 +1,4 @@
-# Generated, do not update manually
+# Generated, do not update manually
 Microsoft.CodeAnalysis.Accessibility
 Microsoft.CodeAnalysis.Accessibility.Friend
 Microsoft.CodeAnalysis.Accessibility.Internal
diff --git a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.Immutable.txt b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.Immutable.txt
index 1977066cdea78..ffdecae177f85 100644
--- a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.Immutable.txt
+++ b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.Immutable.txt
@@ -1,4 +1,4 @@
-# Generated, do not update manually
+# Generated, do not update manually
 System.Collections.Frozen.FrozenDictionary
 System.Collections.Frozen.FrozenDictionary.ToFrozenDictionary``2(System.Collections.Generic.IEnumerable{System.Collections.Generic.KeyValuePair{``0,``1}},System.Collections.Generic.IEqualityComparer{``0})
 System.Collections.Frozen.FrozenDictionary.ToFrozenDictionary``2(System.Collections.Generic.IEnumerable{``0},System.Func{``0,``1},System.Collections.Generic.IEqualityComparer{``1})
diff --git a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.txt b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.txt
index 62f756acc8c59..4071eee51a37e 100644
--- a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.txt
+++ b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Collections.txt
@@ -1,4 +1,4 @@
-# Generated, do not update manually
+# Generated, do not update manually
 System.Collections.BitArray
 System.Collections.BitArray.#ctor(System.Boolean[])
 System.Collections.BitArray.#ctor(System.Byte[])
diff --git a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Linq.txt b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Linq.txt
index 85c524ab52cba..6bc2f9932b265 100644
--- a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Linq.txt
+++ b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Linq.txt
@@ -1,4 +1,4 @@
-# Generated, do not update manually
+# Generated, do not update manually
 System.Linq.Enumerable
 System.Linq.Enumerable.Aggregate``1(System.Collections.Generic.IEnumerable{``0},System.Func{``0,``0,``0})
 System.Linq.Enumerable.Aggregate``2(System.Collections.Generic.IEnumerable{``0},``1,System.Func{``1,``0,``1})
diff --git a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Runtime.txt b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Runtime.txt
index cb02fc218dc5f..e43bf8dc555ae 100644
--- a/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Runtime.txt
+++ b/src/Tools/SemanticSearch/ReferenceAssemblies/Apis/System.Runtime.txt
@@ -1,4 +1,4 @@
-# Generated, do not update manually
+# Generated, do not update manually
 System.AccessViolationException
 System.AccessViolationException.#ctor
 System.AccessViolationException.#ctor(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext)