diff --git a/src/Configuration.KeyPerFile/test/Microsoft.Extensions.Configuration.KeyPerFile.Tests.csproj b/src/Configuration.KeyPerFile/test/Microsoft.Extensions.Configuration.KeyPerFile.Tests.csproj
index 634056a345..4205f4ae13 100644
--- a/src/Configuration.KeyPerFile/test/Microsoft.Extensions.Configuration.KeyPerFile.Tests.csproj
+++ b/src/Configuration.KeyPerFile/test/Microsoft.Extensions.Configuration.KeyPerFile.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/FileProviders/Embedded/test/Microsoft.Extensions.FileProviders.Embedded.Tests.csproj b/src/FileProviders/Embedded/test/Microsoft.Extensions.FileProviders.Embedded.Tests.csproj
index 8703c9c508..5a1092387f 100644
--- a/src/FileProviders/Embedded/test/Microsoft.Extensions.FileProviders.Embedded.Tests.csproj
+++ b/src/FileProviders/Embedded/test/Microsoft.Extensions.FileProviders.Embedded.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/FileProviders/Manifest.MSBuildTask/test/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.Test.csproj b/src/FileProviders/Manifest.MSBuildTask/test/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.Test.csproj
index fe33897603..8be54bf05d 100644
--- a/src/FileProviders/Manifest.MSBuildTask/test/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.Test.csproj
+++ b/src/FileProviders/Manifest.MSBuildTask/test/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.Test.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/HealthChecks/HealthChecks/test/Microsoft.Extensions.Diagnostics.HealthChecks.Tests.csproj b/src/HealthChecks/HealthChecks/test/Microsoft.Extensions.Diagnostics.HealthChecks.Tests.csproj
index 361b29cf37..4ab29c46bf 100644
--- a/src/HealthChecks/HealthChecks/test/Microsoft.Extensions.Diagnostics.HealthChecks.Tests.csproj
+++ b/src/HealthChecks/HealthChecks/test/Microsoft.Extensions.Diagnostics.HealthChecks.Tests.csproj
@@ -3,7 +3,7 @@
   <Import Project="$(RepositoryRoot)src\Logging\Logging.Testing\src\build\Microsoft.Extensions.Logging.Testing.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
     <RootNamespace>Microsoft.Extensions.Diagnostics.HealthChecks</RootNamespace>
   </PropertyGroup>
 
diff --git a/src/Localization/Localization/test/Microsoft.Extensions.Localization.Tests.csproj b/src/Localization/Localization/test/Microsoft.Extensions.Localization.Tests.csproj
index e7a47a1a6e..bdd50d8dd8 100644
--- a/src/Localization/Localization/test/Microsoft.Extensions.Localization.Tests.csproj
+++ b/src/Localization/Localization/test/Microsoft.Extensions.Localization.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/ObjectPool/test/Microsoft.Extensions.ObjectPool.Tests.csproj b/src/ObjectPool/test/Microsoft.Extensions.ObjectPool.Tests.csproj
index b922cc227e..72d2dc93fd 100644
--- a/src/ObjectPool/test/Microsoft.Extensions.ObjectPool.Tests.csproj
+++ b/src/ObjectPool/test/Microsoft.Extensions.ObjectPool.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Shared/test/Shared.Tests/Microsoft.AspNetCore.Shared.Tests.csproj b/src/Shared/test/Shared.Tests/Microsoft.AspNetCore.Shared.Tests.csproj
index 1873e485a9..cb21bfa1a6 100644
--- a/src/Shared/test/Shared.Tests/Microsoft.AspNetCore.Shared.Tests.csproj
+++ b/src/Shared/test/Shared.Tests/Microsoft.AspNetCore.Shared.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
diff --git a/src/Testing/test/Microsoft.AspNetCore.Testing.Tests.csproj b/src/Testing/test/Microsoft.AspNetCore.Testing.Tests.csproj
index 3fdd9ff379..6d9a9a060c 100644
--- a/src/Testing/test/Microsoft.AspNetCore.Testing.Tests.csproj
+++ b/src/Testing/test/Microsoft.AspNetCore.Testing.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
 
     <!-- allow skipped tests -->
     <NoWarn>$(NoWarn);xUnit1004</NoWarn>
diff --git a/src/WebEncoders/test/Microsoft.Extensions.WebEncoders.Tests.csproj b/src/WebEncoders/test/Microsoft.Extensions.WebEncoders.Tests.csproj
index 729dc5c61a..659e0ac40f 100755
--- a/src/WebEncoders/test/Microsoft.Extensions.WebEncoders.Tests.csproj
+++ b/src/WebEncoders/test/Microsoft.Extensions.WebEncoders.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(StandardTestTfms)</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>