diff --git a/src/Interactive/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.InteractiveEditorFeatures.csproj b/src/Interactive/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.InteractiveEditorFeatures.csproj
index 7e8e09763fdfd..971114cf3412e 100644
--- a/src/Interactive/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.InteractiveEditorFeatures.csproj
+++ b/src/Interactive/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.InteractiveEditorFeatures.csproj
@@ -5,7 +5,6 @@
Library
Microsoft.CodeAnalysis.Editor.CSharp
net472
- true
diff --git a/src/Interactive/EditorFeatures/Core/Microsoft.CodeAnalysis.InteractiveEditorFeatures.csproj b/src/Interactive/EditorFeatures/Core/Microsoft.CodeAnalysis.InteractiveEditorFeatures.csproj
index 03f3c4877827d..1b1fcde930c6a 100644
--- a/src/Interactive/EditorFeatures/Core/Microsoft.CodeAnalysis.InteractiveEditorFeatures.csproj
+++ b/src/Interactive/EditorFeatures/Core/Microsoft.CodeAnalysis.InteractiveEditorFeatures.csproj
@@ -5,7 +5,6 @@
Library
Microsoft.CodeAnalysis.Editor
net472
- true
diff --git a/src/Interactive/Features/Microsoft.CodeAnalysis.InteractiveFeatures.csproj b/src/Interactive/Features/Microsoft.CodeAnalysis.InteractiveFeatures.csproj
index afe84dc45ed87..b4fe1d019c85b 100644
--- a/src/Interactive/Features/Microsoft.CodeAnalysis.InteractiveFeatures.csproj
+++ b/src/Interactive/Features/Microsoft.CodeAnalysis.InteractiveFeatures.csproj
@@ -5,7 +5,6 @@
Library
Microsoft.CodeAnalysis
net472
- true
diff --git a/src/NuGet/Microsoft.Net.Compilers/CompilerArtifacts.targets b/src/NuGet/Microsoft.Net.Compilers/CompilerArtifacts.targets
index f90c2fc681ddb..a9996c5425aa0 100644
--- a/src/NuGet/Microsoft.Net.Compilers/CompilerArtifacts.targets
+++ b/src/NuGet/Microsoft.Net.Compilers/CompilerArtifacts.targets
@@ -57,6 +57,7 @@
<_NoOptimizationData Include="$(ArtifactsBinDir)csi\$(Configuration)\net472\System.Buffers.dll"/>
<_NoOptimizationData Include="$(ArtifactsBinDir)csi\$(Configuration)\net472\System.Memory.dll"/>
<_NoOptimizationData Include="$(ArtifactsBinDir)csi\$(Configuration)\net472\System.Numerics.Vectors.dll"/>
+ <_NoOptimizationData Include="$(ArtifactsBinDir)csi\$(Configuration)\net472\System.Text.Encoding.CodePages.dll"/>
+