diff --git a/eng/targets/Settings.props b/eng/targets/Settings.props
index 9a0e7bf9aab40..78c1cc189229d 100644
--- a/eng/targets/Settings.props
+++ b/eng/targets/Settings.props
@@ -16,7 +16,6 @@
     <!-- Disable the implicit nuget fallback folder as it makes it hard to locate and copy ref assemblies to the test output folder -->
     <DisableImplicitNuGetFallbackFolder>true</DisableImplicitNuGetFallbackFolder>
     <ToolsetPackagesDir>$(RepoRoot)build\ToolsetPackages\</ToolsetPackagesDir>
-    <RoslynPortableTargetFrameworks>netcoreapp3.1;net472</RoslynPortableTargetFrameworks>
     <UseSharedCompilation>true</UseSharedCompilation>
 
     <Features>strict</Features>
diff --git a/src/Compilers/CSharp/Test/CommandLine/Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests.csproj b/src/Compilers/CSharp/Test/CommandLine/Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests.csproj
index e0d5d265f2cf2..4d7e9cd2bd7c1 100644
--- a/src/Compilers/CSharp/Test/CommandLine/Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/CommandLine/Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <GenerateMicrosoftCodeAnalysisCommitHashAttribute>true</GenerateMicrosoftCodeAnalysisCommitHashAttribute>
   </PropertyGroup>
   <ItemGroup>
diff --git a/src/Compilers/CSharp/Test/Emit/Microsoft.CodeAnalysis.CSharp.Emit.UnitTests.csproj b/src/Compilers/CSharp/Test/Emit/Microsoft.CodeAnalysis.CSharp.Emit.UnitTests.csproj
index e85cfa5282f14..625b7be3e1377 100644
--- a/src/Compilers/CSharp/Test/Emit/Microsoft.CodeAnalysis.CSharp.Emit.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/Emit/Microsoft.CodeAnalysis.CSharp.Emit.UnitTests.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.UnitTests</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
diff --git a/src/Compilers/CSharp/Test/IOperation/Microsoft.CodeAnalysis.CSharp.IOperation.UnitTests.csproj b/src/Compilers/CSharp/Test/IOperation/Microsoft.CodeAnalysis.CSharp.IOperation.UnitTests.csproj
index e7e8d3d4b95da..614ec6dec028c 100644
--- a/src/Compilers/CSharp/Test/IOperation/Microsoft.CodeAnalysis.CSharp.IOperation.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/IOperation/Microsoft.CodeAnalysis.CSharp.IOperation.UnitTests.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.IOperation.UnitTests</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\..\Test\Utilities\Portable\Roslyn.Test.Utilities.csproj" />
diff --git a/src/Compilers/CSharp/Test/Semantic/Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests.csproj b/src/Compilers/CSharp/Test/Semantic/Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests.csproj
index b28742225d161..d768bd07eff33 100644
--- a/src/Compilers/CSharp/Test/Semantic/Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/Semantic/Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\..\Test\Utilities\Portable\Roslyn.Test.Utilities.csproj" />
diff --git a/src/Compilers/CSharp/Test/Symbol/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests.csproj b/src/Compilers/CSharp/Test/Symbol/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests.csproj
index 3153903e633ce..8677c4fded935 100644
--- a/src/Compilers/CSharp/Test/Symbol/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/Symbol/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests.csproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests</RootNamespace>
     <NoStdLib>true</NoStdLib>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
diff --git a/src/Compilers/CSharp/Test/Syntax/Microsoft.CodeAnalysis.CSharp.Syntax.UnitTests.csproj b/src/Compilers/CSharp/Test/Syntax/Microsoft.CodeAnalysis.CSharp.Syntax.UnitTests.csproj
index bdad5c4697bf0..49eef0e4adacd 100644
--- a/src/Compilers/CSharp/Test/Syntax/Microsoft.CodeAnalysis.CSharp.Syntax.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/Syntax/Microsoft.CodeAnalysis.CSharp.Syntax.UnitTests.csproj
@@ -7,7 +7,7 @@
     <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
     <NoStdLib>true</NoStdLib>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <!-- The RESX resources generator produces invalid comments when the string has a line starting with '/' -->
     <NoWarn>$(NoWarn);1570;1587</NoWarn>
   </PropertyGroup>
diff --git a/src/Compilers/CSharp/Test/WinRT/Microsoft.CodeAnalysis.CSharp.WinRT.UnitTests.csproj b/src/Compilers/CSharp/Test/WinRT/Microsoft.CodeAnalysis.CSharp.WinRT.UnitTests.csproj
index ac1b5dcc11f53..bb028ce31b4a7 100644
--- a/src/Compilers/CSharp/Test/WinRT/Microsoft.CodeAnalysis.CSharp.WinRT.UnitTests.csproj
+++ b/src/Compilers/CSharp/Test/WinRT/Microsoft.CodeAnalysis.CSharp.WinRT.UnitTests.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.UnitTests.CodeGen</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <!-- 
       Disable on Linux. See https://github.com/dotnet/roslyn/pull/31026 
     -->
diff --git a/src/Compilers/CSharp/csc/csc.csproj b/src/Compilers/CSharp/csc/csc.csproj
index e7ec326304828..01e6741bb0961 100644
--- a/src/Compilers/CSharp/csc/csc.csproj
+++ b/src/Compilers/CSharp/csc/csc.csproj
@@ -8,7 +8,7 @@
     <Prefer32Bit>false</Prefer32Bit>
     <LargeAddressAware>true</LargeAddressAware>
     <StartupObject>Microsoft.CodeAnalysis.CSharp.CommandLine.Program</StartupObject>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <UseAppHost>false</UseAppHost>
     <GenerateMicrosoftCodeAnalysisCommitHashAttribute>true</GenerateMicrosoftCodeAnalysisCommitHashAttribute>
diff --git a/src/Compilers/Core/CodeAnalysisTest/Microsoft.CodeAnalysis.UnitTests.csproj b/src/Compilers/Core/CodeAnalysisTest/Microsoft.CodeAnalysis.UnitTests.csproj
index 18b2974541abf..b1aaf326b5442 100644
--- a/src/Compilers/Core/CodeAnalysisTest/Microsoft.CodeAnalysis.UnitTests.csproj
+++ b/src/Compilers/Core/CodeAnalysisTest/Microsoft.CodeAnalysis.UnitTests.csproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.UnitTests</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Linked Files">
     <Compile Include="..\..\Shared\GlobalAssemblyCacheHelpers\FusionAssemblyIdentity.cs">
diff --git a/src/Compilers/Core/MSBuildTask/Microsoft.Build.Tasks.CodeAnalysis.csproj b/src/Compilers/Core/MSBuildTask/Microsoft.Build.Tasks.CodeAnalysis.csproj
index d53d91c31ab99..9802a8ebac093 100644
--- a/src/Compilers/Core/MSBuildTask/Microsoft.Build.Tasks.CodeAnalysis.csproj
+++ b/src/Compilers/Core/MSBuildTask/Microsoft.Build.Tasks.CodeAnalysis.csproj
@@ -6,7 +6,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.BuildTasks</RootNamespace>
     <DefaultLanguage>en-US</DefaultLanguage>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <Nullable>enable</Nullable>
     <AutoGenerateAssemblyVersion>true</AutoGenerateAssemblyVersion>
     <AssemblyVersion/>
diff --git a/src/Compilers/Server/VBCSCompiler/VBCSCompiler.csproj b/src/Compilers/Server/VBCSCompiler/VBCSCompiler.csproj
index 3018c3c61a947..3fde7d77d3d8c 100644
--- a/src/Compilers/Server/VBCSCompiler/VBCSCompiler.csproj
+++ b/src/Compilers/Server/VBCSCompiler/VBCSCompiler.csproj
@@ -5,7 +5,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <LargeAddressAware>true</LargeAddressAware>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <UseAppHost>false</UseAppHost>
diff --git a/src/Compilers/Server/VBCSCompilerTests/VBCSCompiler.UnitTests.csproj b/src/Compilers/Server/VBCSCompilerTests/VBCSCompiler.UnitTests.csproj
index 23b5d124abbc4..82b401a580a80 100644
--- a/src/Compilers/Server/VBCSCompilerTests/VBCSCompiler.UnitTests.csproj
+++ b/src/Compilers/Server/VBCSCompilerTests/VBCSCompiler.UnitTests.csproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CompilerServer.UnitTests</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
 
     <!-- 
       Currently fails on CI against old versions of mono
diff --git a/src/Compilers/Test/Utilities/CSharp/Microsoft.CodeAnalysis.CSharp.Test.Utilities.csproj b/src/Compilers/Test/Utilities/CSharp/Microsoft.CodeAnalysis.CSharp.Test.Utilities.csproj
index 64f071db6b6ad..81cfdcfbb0620 100644
--- a/src/Compilers/Test/Utilities/CSharp/Microsoft.CodeAnalysis.CSharp.Test.Utilities.csproj
+++ b/src/Compilers/Test/Utilities/CSharp/Microsoft.CodeAnalysis.CSharp.Test.Utilities.csproj
@@ -6,7 +6,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.Test.Utilities</RootNamespace>
     <DefaultLanguage>en-US</DefaultLanguage>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <NoStdLib>true</NoStdLib>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsShipping>false</IsShipping>
diff --git a/src/Compilers/Test/Utilities/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.Test.Utilities.vbproj b/src/Compilers/Test/Utilities/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.Test.Utilities.vbproj
index de5d68b7a8141..6297bab158f69 100644
--- a/src/Compilers/Test/Utilities/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.Test.Utilities.vbproj
+++ b/src/Compilers/Test/Utilities/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.Test.Utilities.vbproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.VisualBasic.UnitTests</RootNamespace>
     <NoWarn>$(NoWarn);42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <IsShipping>false</IsShipping>
   </PropertyGroup>
   <ItemGroup Label="Project References">
diff --git a/src/Compilers/VisualBasic/Test/Emit/Microsoft.CodeAnalysis.VisualBasic.Emit.UnitTests.vbproj b/src/Compilers/VisualBasic/Test/Emit/Microsoft.CodeAnalysis.VisualBasic.Emit.UnitTests.vbproj
index 4f8cca36fb566..309eefc2ead46 100644
--- a/src/Compilers/VisualBasic/Test/Emit/Microsoft.CodeAnalysis.VisualBasic.Emit.UnitTests.vbproj
+++ b/src/Compilers/VisualBasic/Test/Emit/Microsoft.CodeAnalysis.VisualBasic.Emit.UnitTests.vbproj
@@ -3,7 +3,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <RootNamespace></RootNamespace>
 
     <!-- Disabling on assumption -->
diff --git a/src/Compilers/VisualBasic/Test/IOperation/Roslyn.Compilers.VisualBasic.IOperation.UnitTests.vbproj b/src/Compilers/VisualBasic/Test/IOperation/Roslyn.Compilers.VisualBasic.IOperation.UnitTests.vbproj
index c74f02d1699b5..5cb7be9c6df0e 100644
--- a/src/Compilers/VisualBasic/Test/IOperation/Roslyn.Compilers.VisualBasic.IOperation.UnitTests.vbproj
+++ b/src/Compilers/VisualBasic/Test/IOperation/Roslyn.Compilers.VisualBasic.IOperation.UnitTests.vbproj
@@ -3,7 +3,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <RootNamespace></RootNamespace>
   </PropertyGroup>
   <ItemGroup Label="Project References">
diff --git a/src/Compilers/VisualBasic/Test/Semantic/Microsoft.CodeAnalysis.VisualBasic.Semantic.UnitTests.vbproj b/src/Compilers/VisualBasic/Test/Semantic/Microsoft.CodeAnalysis.VisualBasic.Semantic.UnitTests.vbproj
index 65e8a21fea480..5224f9fa766c6 100644
--- a/src/Compilers/VisualBasic/Test/Semantic/Microsoft.CodeAnalysis.VisualBasic.Semantic.UnitTests.vbproj
+++ b/src/Compilers/VisualBasic/Test/Semantic/Microsoft.CodeAnalysis.VisualBasic.Semantic.UnitTests.vbproj
@@ -3,7 +3,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <RootNamespace></RootNamespace>
 
     <!--
diff --git a/src/Compilers/VisualBasic/Test/Symbol/Microsoft.CodeAnalysis.VisualBasic.Symbol.UnitTests.vbproj b/src/Compilers/VisualBasic/Test/Symbol/Microsoft.CodeAnalysis.VisualBasic.Symbol.UnitTests.vbproj
index ceae9bf434c5a..bdb3bbf425cc9 100644
--- a/src/Compilers/VisualBasic/Test/Symbol/Microsoft.CodeAnalysis.VisualBasic.Symbol.UnitTests.vbproj
+++ b/src/Compilers/VisualBasic/Test/Symbol/Microsoft.CodeAnalysis.VisualBasic.Symbol.UnitTests.vbproj
@@ -3,7 +3,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <RootNamespace></RootNamespace>
 
     <!-- A zillion test failures + crash. See https://github.com/mono/mono/issues/10756. -->
diff --git a/src/Compilers/VisualBasic/Test/Syntax/Microsoft.CodeAnalysis.VisualBasic.Syntax.UnitTests.vbproj b/src/Compilers/VisualBasic/Test/Syntax/Microsoft.CodeAnalysis.VisualBasic.Syntax.UnitTests.vbproj
index 4cf483117f2ee..d5430086b3d1d 100644
--- a/src/Compilers/VisualBasic/Test/Syntax/Microsoft.CodeAnalysis.VisualBasic.Syntax.UnitTests.vbproj
+++ b/src/Compilers/VisualBasic/Test/Syntax/Microsoft.CodeAnalysis.VisualBasic.Syntax.UnitTests.vbproj
@@ -3,7 +3,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\..\Test\Utilities\Portable\Roslyn.Test.Utilities.csproj" />
diff --git a/src/Compilers/VisualBasic/vbc/vbc.csproj b/src/Compilers/VisualBasic/vbc/vbc.csproj
index caef65a8d47e6..48843d2c54274 100644
--- a/src/Compilers/VisualBasic/vbc/vbc.csproj
+++ b/src/Compilers/VisualBasic/vbc/vbc.csproj
@@ -7,7 +7,7 @@
     <RootNamespace>Microsoft.CodeAnalysis.VisualBasic.CommandLine</RootNamespace>
     <LargeAddressAware>true</LargeAddressAware>
     <StartupObject>Microsoft.CodeAnalysis.VisualBasic.CommandLine.Program</StartupObject>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <UseAppHost>false</UseAppHost>
     <GenerateMicrosoftCodeAnalysisCommitHashAttribute>true</GenerateMicrosoftCodeAnalysisCommitHashAttribute>
diff --git a/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj b/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj
index f9e27f6c55ff5..edc6e41687559 100644
--- a/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj
+++ b/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.Text</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <ApplyNgenOptimization>partial</ApplyNgenOptimization>
 
     <!-- NuGet -->
diff --git a/src/Interactive/csi/csi.csproj b/src/Interactive/csi/csi.csproj
index 725103b7bba00..3970bb4e9ea38 100644
--- a/src/Interactive/csi/csi.csproj
+++ b/src/Interactive/csi/csi.csproj
@@ -5,7 +5,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <RootNamespace>CSharpInteractive</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
diff --git a/src/Interactive/vbi/vbi.vbproj b/src/Interactive/vbi/vbi.vbproj
index b4766aa25ef5f..5bbdf7f03a798 100644
--- a/src/Interactive/vbi/vbi.vbproj
+++ b/src/Interactive/vbi/vbi.vbproj
@@ -5,7 +5,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <StartupObject>Sub Main</StartupObject>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <RootNamespace></RootNamespace>
   </PropertyGroup>
   <ItemGroup Label="Project References">
diff --git a/src/NuGet/Microsoft.Net.Compilers.Toolset/Microsoft.Net.Compilers.Toolset.Package.csproj b/src/NuGet/Microsoft.Net.Compilers.Toolset/Microsoft.Net.Compilers.Toolset.Package.csproj
index 88954e878e7c5..9e646ebab5b99 100644
--- a/src/NuGet/Microsoft.Net.Compilers.Toolset/Microsoft.Net.Compilers.Toolset.Package.csproj
+++ b/src/NuGet/Microsoft.Net.Compilers.Toolset/Microsoft.Net.Compilers.Toolset.Package.csproj
@@ -1,7 +1,7 @@
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the LICENSE file in the project root for more information. -->
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
 
     <IsPackable>true</IsPackable>
     <NuspecPackageId>Microsoft.Net.Compilers.Toolset</NuspecPackageId>
diff --git a/src/Scripting/CSharpTest/Microsoft.CodeAnalysis.CSharp.Scripting.UnitTests.csproj b/src/Scripting/CSharpTest/Microsoft.CodeAnalysis.CSharp.Scripting.UnitTests.csproj
index 4457a981e8a5a..9b6dd68c6675b 100644
--- a/src/Scripting/CSharpTest/Microsoft.CodeAnalysis.CSharp.Scripting.UnitTests.csproj
+++ b/src/Scripting/CSharpTest/Microsoft.CodeAnalysis.CSharp.Scripting.UnitTests.csproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.CSharp.Scripting.UnitTests</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
diff --git a/src/Scripting/CoreTest/Microsoft.CodeAnalysis.Scripting.UnitTests.csproj b/src/Scripting/CoreTest/Microsoft.CodeAnalysis.Scripting.UnitTests.csproj
index 4b2e85b21fbd4..d84ec3149efed 100644
--- a/src/Scripting/CoreTest/Microsoft.CodeAnalysis.Scripting.UnitTests.csproj
+++ b/src/Scripting/CoreTest/Microsoft.CodeAnalysis.Scripting.UnitTests.csproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis.Scripting.Test</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
diff --git a/src/Test/PdbUtilities/Roslyn.Test.PdbUtilities.csproj b/src/Test/PdbUtilities/Roslyn.Test.PdbUtilities.csproj
index 3eeabb1a30584..3bebf626603b2 100644
--- a/src/Test/PdbUtilities/Roslyn.Test.PdbUtilities.csproj
+++ b/src/Test/PdbUtilities/Roslyn.Test.PdbUtilities.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <RootNamespace>Roslyn.Test.PdbUtilities</RootNamespace>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsShipping>false</IsShipping>
diff --git a/src/Test/Utilities/Portable/Roslyn.Test.Utilities.csproj b/src/Test/Utilities/Portable/Roslyn.Test.Utilities.csproj
index a54ad9adb9351..85f79eb82cd8e 100644
--- a/src/Test/Utilities/Portable/Roslyn.Test.Utilities.csproj
+++ b/src/Test/Utilities/Portable/Roslyn.Test.Utilities.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <OutputType>Library</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netstandard2.0;$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net472</TargetFrameworks>
     <IsShipping>false</IsShipping>
   </PropertyGroup>
   <ItemGroup>
diff --git a/src/Tools/BuildBoss/ProjectCheckerUtil.cs b/src/Tools/BuildBoss/ProjectCheckerUtil.cs
index c034d58d3c0e3..f8218a6ba4926 100644
--- a/src/Tools/BuildBoss/ProjectCheckerUtil.cs
+++ b/src/Tools/BuildBoss/ProjectCheckerUtil.cs
@@ -332,7 +332,6 @@ private bool CheckTargetFrameworks(TextWriter textWriter)
                     case "net20":
                     case "net472":
                     case "netcoreapp3.1":
-                    case "$(RoslynPortableTargetFrameworks)":
                         continue;
                 }
 
diff --git a/src/Tools/IdeCoreBenchmarks/IdeCoreBenchmarks.csproj b/src/Tools/IdeCoreBenchmarks/IdeCoreBenchmarks.csproj
index 6c0ce1ce453b4..3239fb042e192 100644
--- a/src/Tools/IdeCoreBenchmarks/IdeCoreBenchmarks.csproj
+++ b/src/Tools/IdeCoreBenchmarks/IdeCoreBenchmarks.csproj
@@ -5,7 +5,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <IsShipping>false</IsShipping>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <!-- Automatically generate the necessary assembly binding redirects -->
diff --git a/src/Workspaces/Core/MSBuild/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj b/src/Workspaces/Core/MSBuild/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj
index 68ae1c0822f4a..4f635d489acee 100644
--- a/src/Workspaces/Core/MSBuild/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj
+++ b/src/Workspaces/Core/MSBuild/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj
@@ -5,7 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
     <DefineConstants>$(DefineConstants);WORKSPACE_MSBUILD</DefineConstants>
     <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>