diff --git a/InjectorTest/HelperTest.cs b/InjectorTest/HelperTest.cs
deleted file mode 100644
index 8b7d026..0000000
--- a/InjectorTest/HelperTest.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-using SmallInjectorDemo;
-using Xunit;
-
-namespace InjectorTest
-{
-    public class HelperTest
-    {
-        [Fact]
-        public void Test()
-        {
-            const string expected = "[-] HelperTest.Test           Id: ";
-            var actual = Helper.WriteMethodString(new TestClock(), "");
-            Assert.Equal(expected, actual);
-        }
-    }
-}
diff --git a/InjectorTest/InjectorTest.csproj b/InjectorTest/InjectorTest.csproj
deleted file mode 100644
index db6d839..0000000
--- a/InjectorTest/InjectorTest.csproj
+++ /dev/null
@@ -1,24 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
-
-    <IsPackable>false</IsPackable>
-
-    <LangVersion>7.1</LangVersion>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\SmallInjectorDemo\SmallInjectorDemo.csproj" />
-  </ItemGroup>
-
-</Project>
diff --git a/InjectorTest/TestClock.cs b/InjectorTest/TestClock.cs
deleted file mode 100644
index 27756e4..0000000
--- a/InjectorTest/TestClock.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-using SmallInjectorDemo;
-
-namespace InjectorTest
-{
-    public class TestClock : IClock
-    {
-        public string CurrentDateTime => "-";
-    }
-}
\ No newline at end of file
diff --git a/SmallInjectorDemo.sln b/SmallInjectorDemo.sln
index 2615959..53d21c9 100644
--- a/SmallInjectorDemo.sln
+++ b/SmallInjectorDemo.sln
@@ -1,13 +1,11 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26124.0
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29123.88
 MinimumVisualStudioVersion = 15.0.26124.0
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SmallInjectorDemo", "SmallInjectorDemo\SmallInjectorDemo.csproj", "{620CC001-7DF9-4233-AFC2-187FD9144835}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InjectorTest", "InjectorTest\InjectorTest.csproj", "{0648782E-EB73-4326-9471-CE386C1FBC4D}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SmallInjector", "SmallInjector\SmallInjector.csproj", "{8D52C856-A71D-4C50-832B-8679CDD030B4}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SmallInjector", "SmallInjector\SmallInjector.csproj", "{8D52C856-A71D-4C50-832B-8679CDD030B4}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -31,18 +29,6 @@ Global
 		{620CC001-7DF9-4233-AFC2-187FD9144835}.Release|x64.Build.0 = Release|Any CPU
 		{620CC001-7DF9-4233-AFC2-187FD9144835}.Release|x86.ActiveCfg = Release|Any CPU
 		{620CC001-7DF9-4233-AFC2-187FD9144835}.Release|x86.Build.0 = Release|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Debug|x64.Build.0 = Debug|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Debug|x86.Build.0 = Debug|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Release|Any CPU.Build.0 = Release|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Release|x64.ActiveCfg = Release|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Release|x64.Build.0 = Release|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Release|x86.ActiveCfg = Release|Any CPU
-		{0648782E-EB73-4326-9471-CE386C1FBC4D}.Release|x86.Build.0 = Release|Any CPU
 		{8D52C856-A71D-4C50-832B-8679CDD030B4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{8D52C856-A71D-4C50-832B-8679CDD030B4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8D52C856-A71D-4C50-832B-8679CDD030B4}.Debug|x64.ActiveCfg = Debug|Any CPU
diff --git a/SmallInjectorDemo/Program.cs b/SmallInjectorDemo/Program.cs
index cc24aec..650ae1d 100644
--- a/SmallInjectorDemo/Program.cs
+++ b/SmallInjectorDemo/Program.cs
@@ -19,6 +19,13 @@ namespace SmallInjectorDemo
             Console.WriteLine("Register " + nameof(ServiceConsumer));
             container.RegisterType<ServiceConsumer>(false);
 
+            Console.WriteLine();
+            Console.WriteLine("Check registrations:");
+            Console.WriteLine(nameof(IClock).PadRight(20) + container.IsRegistered<IClock>());
+            Console.WriteLine(nameof(IServiceOne).PadRight(20) + container.IsRegistered<IServiceOne>());
+            Console.WriteLine(nameof(IServiceTwo).PadRight(20) + container.IsRegistered<IServiceTwo>());
+            Console.WriteLine(nameof(ServiceConsumer).PadRight(20) + container.IsRegistered<ServiceConsumer>());
+
             Console.WriteLine();
             Console.WriteLine("Resolve class instances:");
             var useful1 = container.Resolve<ServiceConsumer>();