diff --git a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.csproj b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.csproj
index c56280900c..a12cabcbec 100644
--- a/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.csproj
+++ b/test/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests/Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.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>
     <!-- TODO remove rid when https://github.com/dotnet/sdk/issues/396 is resolved -->
     <RuntimeIdentifier Condition="'$(TargetFramework)'!='netcoreapp1.1'">win7-x64</RuntimeIdentifier>
   </PropertyGroup>
diff --git a/test/Microsoft.AspNetCore.Server.KestrelTests/Microsoft.AspNetCore.Server.KestrelTests.csproj b/test/Microsoft.AspNetCore.Server.KestrelTests/Microsoft.AspNetCore.Server.KestrelTests.csproj
index cb7cf885dc..500a01e2a1 100644
--- a/test/Microsoft.AspNetCore.Server.KestrelTests/Microsoft.AspNetCore.Server.KestrelTests.csproj
+++ b/test/Microsoft.AspNetCore.Server.KestrelTests/Microsoft.AspNetCore.Server.KestrelTests.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>
     <!-- TODO remove rid when https://github.com/dotnet/sdk/issues/396 is resolved -->
     <RuntimeIdentifier Condition="'$(TargetFramework)'!='netcoreapp1.1'">win7-x64</RuntimeIdentifier>