diff --git a/Library.UnitTests/ToolkitBuilderFixture.cs b/Library.UnitTests/ToolkitBuilderFixture.cs
index e512ca9..47809ae 100644
--- a/Library.UnitTests/ToolkitBuilderFixture.cs
+++ b/Library.UnitTests/ToolkitBuilderFixture.cs
@@ -57,7 +57,6 @@ public void when_command_depends_on_event_arg_then_it_can_access_it()
         {
             var context = CreateRootContext();
             var builder = new ToolkitBuilder("Test", "1.0");
-            PropertyChangeEventArgs args = null;
 
             builder.Product<IAmazonWebServices>()
                 .OnEvent()
diff --git a/Source/NuPattern.csproj b/Source/NuPattern.csproj
index f0c84cd..7c3b630 100644
--- a/Source/NuPattern.csproj
+++ b/Source/NuPattern.csproj
@@ -88,6 +88,7 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Reflect.Overloads.tt</DependentUpon>
     </Compile>
+    <Compile Include="PropertyChangeEventArgs.cs" />
     <Compile Include="Schema\IAutomationSettings.cs" />
     <Compile Include="IComponentContext.cs" />
     <Compile Include="ILineInfo.cs" />
@@ -123,7 +124,6 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Resources.tt</DependentUpon>
     </Compile>
-    <Compile Include="PropertyChangedEventArgs.cs" />
     <Compile Include="Schema\IComponentInfo.cs" />
     <Compile Include="Schema\ICollectionInfo.cs" />
     <Compile Include="Schema\IContainerInfo.cs" />