diff --git a/Octokit.Tests/OctoKit.Tests-NetCore45.csproj b/Octokit.Tests/OctoKit.Tests-NetCore45.csproj
index 97727aac..19504977 100644
--- a/Octokit.Tests/OctoKit.Tests-NetCore45.csproj
+++ b/Octokit.Tests/OctoKit.Tests-NetCore45.csproj
@@ -121,8 +121,8 @@
     <EmbeddedResource Include="Fixtures\authorization.json" />
     <EmbeddedResource Include="Fixtures\repository.json" />
     <EmbeddedResource Include="Fixtures\repositories.json" />
-    <None Include="packages.config" />
     <EmbeddedResource Include="Fixtures\user.json" />
+    <None Include="packages.Octokit.Tests-NetCore45.config" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Octokit\Octokit-NetCore45.csproj">
diff --git a/Octokit.Tests/Octokit.Tests-Portable.csproj b/Octokit.Tests/Octokit.Tests-Portable.csproj
index f72d0c01..53442989 100644
--- a/Octokit.Tests/Octokit.Tests-Portable.csproj
+++ b/Octokit.Tests/Octokit.Tests-Portable.csproj
@@ -121,8 +121,8 @@
     <EmbeddedResource Include="Fixtures\authorization.json" />
     <EmbeddedResource Include="Fixtures\repository.json" />
     <EmbeddedResource Include="Fixtures\repositories.json" />
-    <None Include="packages.config" />
     <EmbeddedResource Include="Fixtures\user.json" />
+    <None Include="packages.Octokit.Tests-Portable.config" />
   </ItemGroup>
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
diff --git a/Octokit.Tests/Octokit.Tests.csproj b/Octokit.Tests/Octokit.Tests.csproj
index 7d781ec6..5c28a199 100644
--- a/Octokit.Tests/Octokit.Tests.csproj
+++ b/Octokit.Tests/Octokit.Tests.csproj
@@ -195,8 +195,8 @@
     <EmbeddedResource Include="Fixtures\release.json" />
     <EmbeddedResource Include="Fixtures\releases.json" />
     <None Include="app.config" />
-    <None Include="packages.config" />
     <EmbeddedResource Include="Fixtures\user.json" />
+    <None Include="packages.Octokit.Tests.config" />
   </ItemGroup>
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
diff --git a/Octokit.Tests/packages.config b/Octokit.Tests/packages.Octokit.Tests-NetCore45.config
similarity index 84%
rename from Octokit.Tests/packages.config
rename to Octokit.Tests/packages.Octokit.Tests-NetCore45.config
index 72ce9dad..2e037c74 100644
--- a/Octokit.Tests/packages.config
+++ b/Octokit.Tests/packages.Octokit.Tests-NetCore45.config
@@ -5,5 +5,4 @@
   <package id="Rx-Interfaces" version="2.2.5" targetFramework="net45" />
   <package id="Rx-Linq" version="2.2.5" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
-  <package id="xunit.extensions" version="1.9.2" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/Octokit.Tests/packages.Octokit.Tests-Portable.config b/Octokit.Tests/packages.Octokit.Tests-Portable.config
new file mode 100644
index 00000000..2e037c74
--- /dev/null
+++ b/Octokit.Tests/packages.Octokit.Tests-Portable.config
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NSubstitute" version="1.8.0.0" targetFramework="net45" />
+  <package id="Rx-Core" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Interfaces" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Linq" version="2.2.5" targetFramework="net45" />
+  <package id="xunit" version="1.9.2" targetFramework="net45" />
+</packages>
\ No newline at end of file
diff --git a/Octokit.Tests/packages.Octokit.Tests.config b/Octokit.Tests/packages.Octokit.Tests.config
new file mode 100644
index 00000000..2e037c74
--- /dev/null
+++ b/Octokit.Tests/packages.Octokit.Tests.config
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NSubstitute" version="1.8.0.0" targetFramework="net45" />
+  <package id="Rx-Core" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Interfaces" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Linq" version="2.2.5" targetFramework="net45" />
+  <package id="xunit" version="1.9.2" targetFramework="net45" />
+</packages>
\ No newline at end of file