diff --git a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/Microsoft.AspNetCore.Cryptography.Internal.Test.csproj b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/Microsoft.AspNetCore.Cryptography.Internal.Test.csproj
index 01da4ef..05e13e9 100644
--- a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/Microsoft.AspNetCore.Cryptography.Internal.Test.csproj
+++ b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/Microsoft.AspNetCore.Cryptography.Internal.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <PackageTargetFallback Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">$(PackageTargetFallback);dnxcore50;portable-net451+win8</PackageTargetFallback>
   </PropertyGroup>
diff --git a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test.csproj b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test.csproj
index 4a169c7..d43901e 100644
--- a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test.csproj
+++ b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
diff --git a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/Microsoft.AspNetCore.DataProtection.Abstractions.Test.csproj b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/Microsoft.AspNetCore.DataProtection.Abstractions.Test.csproj
index 3cff630..ccb6326 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/Microsoft.AspNetCore.DataProtection.Abstractions.Test.csproj
+++ b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/Microsoft.AspNetCore.DataProtection.Abstractions.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test.csproj b/test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test.csproj
index 4b2a09e..cafc221 100644
--- a/test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test.csproj
+++ b/test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test/Microsoft.AspNetCore.DataProtection.AzureStorage.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <PackageTargetFallback Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">$(PackageTargetFallback);dnxcore50;portable-net451+win8</PackageTargetFallback>
   </PropertyGroup>
diff --git a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/Microsoft.AspNetCore.DataProtection.Extensions.Test.csproj b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/Microsoft.AspNetCore.DataProtection.Extensions.Test.csproj
index 5ddeeb8..efd2111 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/Microsoft.AspNetCore.DataProtection.Extensions.Test.csproj
+++ b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/Microsoft.AspNetCore.DataProtection.Extensions.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Microsoft.AspNetCore.DataProtection.Redis.Test/Microsoft.AspNetCore.DataProtection.Redis.Test.csproj b/test/Microsoft.AspNetCore.DataProtection.Redis.Test/Microsoft.AspNetCore.DataProtection.Redis.Test.csproj
index a7c9b2e..e3e2a90 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Redis.Test/Microsoft.AspNetCore.DataProtection.Redis.Test.csproj
+++ b/test/Microsoft.AspNetCore.DataProtection.Redis.Test/Microsoft.AspNetCore.DataProtection.Redis.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Microsoft.AspNetCore.DataProtection.Test/Microsoft.AspNetCore.DataProtection.Test.csproj b/test/Microsoft.AspNetCore.DataProtection.Test/Microsoft.AspNetCore.DataProtection.Test.csproj
index 9661b30..3f92395 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test/Microsoft.AspNetCore.DataProtection.Test.csproj
+++ b/test/Microsoft.AspNetCore.DataProtection.Test/Microsoft.AspNetCore.DataProtection.Test.csproj
@@ -3,8 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)'=='Windows_NT'">$(TargetFrameworks);net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>