diff --git a/Directory.Build.props b/Directory.Build.props
index c2b84ab..e219530 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -18,7 +18,6 @@
     <UseArtifactsOutput>true</UseArtifactsOutput>
     <SolutionRoot>$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), build.bat))</SolutionRoot>
     <ArtifactsPath>$(MSBuildThisFileDirectory).artifacts</ArtifactsPath>
-    <ExposedPublicKey>002400000480000094000000060200000024000052534131000400000100010015b0fa59d868c7f3ea2ae67567b19e102465745f01b430a38a42b92fd41a0f5869bec1f2b33b589d78662af432fe6b789ef72d4738f7b1a86264d7aeb5185ed8995b2bb104e7c5c58845f1a618be829e410fa34a6bd7d714ece191ed68a66333a83ae7456ee32e9aeb54bc1d7410ae8c344367257e9001abb5e96ce1f1d97696</ExposedPublicKey>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="MinVer" Version="4.3.0" PrivateAssets="all" />
diff --git a/examples/Example.Elastic.OpenTelemetry.AspNetCore/Program.cs b/examples/Example.Elastic.OpenTelemetry.AspNetCore/Program.cs
index 2abeea0..803560c 100644
--- a/examples/Example.Elastic.OpenTelemetry.AspNetCore/Program.cs
+++ b/examples/Example.Elastic.OpenTelemetry.AspNetCore/Program.cs
@@ -6,9 +6,10 @@
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
-builder.Services.AddHttpClient();
-builder.Services.AddElasticOpenTelemetryForAspNetCore(HomeController.ActivitySourceName);
-builder.Services.AddControllersWithViews();
+builder.Services
+	.AddHttpClient()
+	.AddElasticOpenTelemetryForAspNetCore(HomeController.ActivitySourceName)
+	.AddControllersWithViews();
 
 var app = builder.Build();
 
diff --git a/src/Elastic.OpenTelemetry.AspNetCore/ServiceCollectionExtensions.cs b/src/Elastic.OpenTelemetry.AspNetCore/ServiceCollectionExtensions.cs
index cd4e897..0fd5715 100644
--- a/src/Elastic.OpenTelemetry.AspNetCore/ServiceCollectionExtensions.cs
+++ b/src/Elastic.OpenTelemetry.AspNetCore/ServiceCollectionExtensions.cs
@@ -18,7 +18,7 @@ public static class ServiceCollectionExtensions
 	/// <param name="serviceCollection">TODO</param>
 	/// <returns>TODO</returns>
 	public static IServiceCollection AddElasticOpenTelemetryForAspNetCore(this IServiceCollection serviceCollection) =>
-		new AgentBuilder().AddAspNetCore().Build(serviceCollection);
+		new AgentBuilder().AddAspNetCore().Register(serviceCollection);
 
 	/// <summary>
 	/// TODO
@@ -27,7 +27,7 @@ public static IServiceCollection AddElasticOpenTelemetryForAspNetCore(this IServ
 	/// <param name="activitySourceNames"></param>
 	/// <returns></returns>
 	public static IServiceCollection AddElasticOpenTelemetryForAspNetCore(this IServiceCollection serviceCollection, params string[] activitySourceNames) =>
-		new AgentBuilder(activitySourceNames).AddAspNetCore().Build(serviceCollection);
+		new AgentBuilder(activitySourceNames).AddAspNetCore().Register(serviceCollection);
 
 	/// <summary>
 	/// TODO
@@ -36,5 +36,5 @@ public static IServiceCollection AddElasticOpenTelemetryForAspNetCore(this IServ
 	/// <param name="configureTracerProvider"></param>
 	/// <returns></returns>
 	public static IServiceCollection AddElasticOpenTelemetryForAspNetCore(this IServiceCollection serviceCollection, Action<TracerProviderBuilder> configureTracerProvider) =>
-		new AgentBuilder().AddAspNetCore().ConfigureTracer(configureTracerProvider).Build(serviceCollection);
+		new AgentBuilder().AddAspNetCore().ConfigureTracer(configureTracerProvider).Register(serviceCollection);
 }
diff --git a/src/Elastic.OpenTelemetry/AgentBuilder.cs b/src/Elastic.OpenTelemetry/AgentBuilder.cs
index 96c1816..479addd 100644
--- a/src/Elastic.OpenTelemetry/AgentBuilder.cs
+++ b/src/Elastic.OpenTelemetry/AgentBuilder.cs
@@ -86,8 +86,6 @@ public AgentBuilder AddTracerSources(string activitySourceNameA, string activity
 		return this;
 	}
 
-	internal string Thing { get; } = "HI";
-
 	// TODO - Other AddTracerSources for up to x sources to avoid params allocation.
 
 	/// <summary>
@@ -186,7 +184,12 @@ public IAgent Build()
 		return tracerProvider is not null ? new Agent(tracerProvider) : new Agent();
 	}
 
-	internal IServiceCollection Build(IServiceCollection serviceCollection)
+	/// <summary>
+	/// Register the OpenTelemetry SDK services and Elastic defaults into the supplied <see cref="IServiceCollection"/>.
+	/// </summary>
+	/// <param name="serviceCollection">A <see cref="IServiceCollection"/> to which OpenTelemetry SDK services will be added.</param>
+	/// <returns>The supplied <see cref="IServiceCollection"/>.</returns>
+	public IServiceCollection Register(IServiceCollection serviceCollection)
 	{
 		_ = serviceCollection
 			.AddOpenTelemetry()
diff --git a/src/Elastic.OpenTelemetry/DependencyInjection/ServiceCollectionExtensions.cs b/src/Elastic.OpenTelemetry/DependencyInjection/ServiceCollectionExtensions.cs
index 2f8f03a..6329005 100644
--- a/src/Elastic.OpenTelemetry/DependencyInjection/ServiceCollectionExtensions.cs
+++ b/src/Elastic.OpenTelemetry/DependencyInjection/ServiceCollectionExtensions.cs
@@ -17,7 +17,7 @@ public static class ServiceCollectionExtensions
 	/// <param name="serviceCollection">TODO</param>
 	/// <returns>TODO</returns>
 	public static IServiceCollection AddElasticOpenTelemetry(this IServiceCollection serviceCollection) =>
-		new AgentBuilder().Build(serviceCollection);
+		new AgentBuilder().Register(serviceCollection);
 
 	/// <summary>
 	/// TODO
@@ -26,7 +26,7 @@ public static IServiceCollection AddElasticOpenTelemetry(this IServiceCollection
 	/// <param name="activitySourceNames"></param>
 	/// <returns></returns>
 	public static IServiceCollection AddElasticOpenTelemetry(this IServiceCollection serviceCollection, params string[] activitySourceNames) =>
-		new AgentBuilder(activitySourceNames).Build(serviceCollection);
+		new AgentBuilder(activitySourceNames).Register(serviceCollection);
 
 	/// <summary>
 	/// TODO
@@ -35,5 +35,5 @@ public static IServiceCollection AddElasticOpenTelemetry(this IServiceCollection
 	/// <param name="configureTracerProvider"></param>
 	/// <returns></returns>
 	public static IServiceCollection AddElasticOpenTelemetry(this IServiceCollection serviceCollection, Action<TracerProviderBuilder> configureTracerProvider) =>
-		new AgentBuilder().ConfigureTracer(configureTracerProvider).Build(serviceCollection);
+		new AgentBuilder().ConfigureTracer(configureTracerProvider).Register(serviceCollection);
 }
diff --git a/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj b/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj
index 781f2f4..fdb9eeb 100644
--- a/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj
+++ b/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj
@@ -18,9 +18,5 @@
     <PackageReference Include="OpenTelemetry.Instrumentation.Process" Version="0.5.0-beta.4" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.7.0" />
   </ItemGroup>
-
-  <ItemGroup>
-    <InternalsVisibleTo Include="Elastic.OpenTelemetry.AspNetCore" Key="$(ExposedPublicKey)" />
-  </ItemGroup>
   
 </Project>