diff --git a/src/Umbraco.Core/Composing/CompositionExtensions.cs b/src/Umbraco.Core/Composing/CompositionExtensions.cs
index cd48799941..ff99142c2c 100644
--- a/src/Umbraco.Core/Composing/CompositionExtensions.cs
+++ b/src/Umbraco.Core/Composing/CompositionExtensions.cs
@@ -36,7 +36,7 @@ namespace Umbraco.Infrastructure.PublishedCache
         /// <param name="service">A published snapshot service.</param>
         public static void SetPublishedSnapshotService(this IUmbracoBuilder builder, IPublishedSnapshotService service)
         {
-            builder.Services.AddUnique(_ => service);
+            builder.Services.AddUnique(service);
         }
     }
 }
diff --git a/src/Umbraco.Infrastructure/CompositionExtensions.cs b/src/Umbraco.Infrastructure/CompositionExtensions.cs
index 35d1387e7e..d7a1c1125b 100644
--- a/src/Umbraco.Infrastructure/CompositionExtensions.cs
+++ b/src/Umbraco.Infrastructure/CompositionExtensions.cs
@@ -135,7 +135,7 @@ namespace Umbraco.Core
         /// <param name="factory">A factory.</param>
         public static void SetCultureDictionaryFactory(this IUmbracoBuilder builder, ICultureDictionaryFactory factory)
         {
-            builder.Services.AddUnique(_ => factory);
+            builder.Services.AddUnique(factory);
         }
 
         /// <summary>
@@ -166,7 +166,7 @@ namespace Umbraco.Core
         /// <param name="factory">A published content model factory.</param>
         public static void SetPublishedContentModelFactory(this IUmbracoBuilder builder, IPublishedModelFactory factory)
         {
-            builder.Services.AddUnique(_ => factory);
+            builder.Services.AddUnique(factory);
         }
 
         /// <summary>
@@ -197,7 +197,7 @@ namespace Umbraco.Core
         /// <param name="registrar">A server registrar.</param>
         public static void SetServerRegistrar(this IUmbracoBuilder builder, IServerRegistrar registrar)
         {
-            builder.Services.AddUnique(_ => registrar);
+            builder.Services.AddUnique(registrar);
         }
 
         /// <summary>
@@ -228,7 +228,7 @@ namespace Umbraco.Core
         /// <param name="registrar">A server messenger.</param>
         public static void SetServerMessenger(this IUmbracoBuilder builder, IServerMessenger registrar)
         {
-            builder.Services.AddUnique(_ => registrar);
+            builder.Services.AddUnique(registrar);
         }
 
         /// <summary>
@@ -250,7 +250,7 @@ namespace Umbraco.Core
         /// <remarks>Use DatabaseServerRegistrarAndMessengerComposer.GetDefaultOptions to get the options that Umbraco would use by default.</remarks>
         public static void SetDatabaseServerMessengerOptions(this IUmbracoBuilder builder, DatabaseServerMessengerCallbacks options)
         {
-            builder.Services.AddUnique(_ => options);
+            builder.Services.AddUnique(options);
         }
 
         /// <summary>
@@ -281,7 +281,7 @@ namespace Umbraco.Core
         /// <param name="helper">A short string helper.</param>
         public static void SetShortStringHelper(this IUmbracoBuilder builder, IShortStringHelper helper)
         {
-            builder.Services.AddUnique(_ => helper);
+            builder.Services.AddUnique(helper);
         }
 
         /// <summary>
@@ -327,7 +327,7 @@ namespace Umbraco.Core
         /// <param name="helper">A log viewer.</param>
         public static void SetLogViewer(this IUmbracoBuilder builder, ILogViewer viewer)
         {
-            builder.Services.AddUnique(_ => viewer);
+            builder.Services.AddUnique(viewer);
         }
 
         #endregion
diff --git a/src/Umbraco.Tests/Cache/DistributedCacheBinderTests.cs b/src/Umbraco.Tests/Cache/DistributedCacheBinderTests.cs
index 603e51c2eb..8d2a6eb217 100644
--- a/src/Umbraco.Tests/Cache/DistributedCacheBinderTests.cs
+++ b/src/Umbraco.Tests/Cache/DistributedCacheBinderTests.cs
@@ -32,7 +32,7 @@ namespace Umbraco.Tests.Cache
             base.Compose(builder);
             // refreshers.HandleEvents wants a UmbracoContext
             // which wants these
-            builder.Services.AddUnique(_ => Mock.Of<IPublishedSnapshotService>());
+            builder.Services.AddUnique(Mock.Of<IPublishedSnapshotService>());
             builder.WithCollectionBuilder<UrlProviderCollectionBuilder>();
         }
 
diff --git a/src/Umbraco.Tests/PublishedContent/PublishedContentLanguageVariantTests.cs b/src/Umbraco.Tests/PublishedContent/PublishedContentLanguageVariantTests.cs
index 485e838a2b..edcd199463 100644
--- a/src/Umbraco.Tests/PublishedContent/PublishedContentLanguageVariantTests.cs
+++ b/src/Umbraco.Tests/PublishedContent/PublishedContentLanguageVariantTests.cs
@@ -24,7 +24,7 @@ namespace Umbraco.Tests.PublishedContent
         {
             base.Compose();
 
-            Builder.Services.AddUnique(_ => GetServiceContext());
+            Builder.Services.AddUnique(GetServiceContext());
         }
 
         protected ServiceContext GetServiceContext()
diff --git a/src/Umbraco.Tests/Routing/UrlRoutingTestBase.cs b/src/Umbraco.Tests/Routing/UrlRoutingTestBase.cs
index 192beee8a8..4c658379cd 100644
--- a/src/Umbraco.Tests/Routing/UrlRoutingTestBase.cs
+++ b/src/Umbraco.Tests/Routing/UrlRoutingTestBase.cs
@@ -34,7 +34,7 @@ namespace Umbraco.Tests.Routing
         {
             base.Compose();
 
-            Builder.Services.AddUnique(_ => GetServiceContext());
+            Builder.Services.AddUnique(GetServiceContext());
         }
 
         protected ServiceContext GetServiceContext()
diff --git a/src/Umbraco.Tests/Routing/UrlsProviderWithDomainsTests.cs b/src/Umbraco.Tests/Routing/UrlsProviderWithDomainsTests.cs
index 49821c4318..80b92b4d1b 100644
--- a/src/Umbraco.Tests/Routing/UrlsProviderWithDomainsTests.cs
+++ b/src/Umbraco.Tests/Routing/UrlsProviderWithDomainsTests.cs
@@ -25,7 +25,7 @@ namespace Umbraco.Tests.Routing
         {
             base.Compose();
 
-            Builder.Services.AddUnique(_ => Mock.Of<IDomainService>());
+            Builder.Services.AddUnique(Mock.Of<IDomainService>());
             Builder.Services.AddTransient<ISiteDomainHelper, SiteDomainHelper>();
         }
 
diff --git a/src/Umbraco.Tests/Routing/UrlsWithNestedDomains.cs b/src/Umbraco.Tests/Routing/UrlsWithNestedDomains.cs
index 5691599f81..10cb8c9ac4 100644
--- a/src/Umbraco.Tests/Routing/UrlsWithNestedDomains.cs
+++ b/src/Umbraco.Tests/Routing/UrlsWithNestedDomains.cs
@@ -27,7 +27,7 @@ namespace Umbraco.Tests.Routing
         protected override void Compose()
         {
             base.Compose();
-            Builder.Services.AddUnique(_ => Mock.Of<IDomainService>());
+            Builder.Services.AddUnique(Mock.Of<IDomainService>());
             Builder.Services.AddTransient<ISiteDomainHelper, SiteDomainHelper>();
         }
 
diff --git a/src/Umbraco.Tests/Testing/UmbracoTestBase.cs b/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
index add1da9bdf..b780665c23 100644
--- a/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
+++ b/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
@@ -307,8 +307,8 @@ namespace Umbraco.Tests.Testing
             Umbraco.Web.Composing.Current.UmbracoContextAccessor = new TestUmbracoContextAccessor();
 
             // web
-            Builder.Services.AddUnique(_ => Umbraco.Web.Composing.Current.UmbracoContextAccessor);
-            Builder.Services.AddUnique<IBackOfficeSecurityAccessor>(_ => new HybridBackofficeSecurityAccessor(AppCaches.NoCache.RequestCache));
+            Builder.Services.AddUnique(Current.UmbracoContextAccessor);
+            Builder.Services.AddUnique<IBackOfficeSecurityAccessor>(new HybridBackofficeSecurityAccessor(AppCaches.NoCache.RequestCache));
             Builder.Services.AddUnique<IPublishedRouter, PublishedRouter>();
             Builder.WithCollectionBuilder<ContentFinderCollectionBuilder>();
 
diff --git a/src/Umbraco.Web/CompositionExtensions.cs b/src/Umbraco.Web/CompositionExtensions.cs
index 7768f3fc1b..957172ccff 100644
--- a/src/Umbraco.Web/CompositionExtensions.cs
+++ b/src/Umbraco.Web/CompositionExtensions.cs
@@ -67,7 +67,7 @@ namespace Umbraco.Web
         /// <param name="finder">A last chance finder.</param>
         public static void SetContentLastChanceFinder(this IUmbracoBuilder builder, IContentLastChanceFinder finder)
         {
-            builder.Services.AddUnique(_ => finder);
+            builder.Services.AddUnique(finder);
         }
 
         /// <summary>
@@ -98,7 +98,7 @@ namespace Umbraco.Web
         /// <param name="helper">A helper.</param>
         public static void SetSiteDomainHelper(this IUmbracoBuilder builder, ISiteDomainHelper helper)
         {
-            builder.Services.AddUnique(_ => helper);
+            builder.Services.AddUnique(helper);
         }
 
         #endregion