diff --git a/eng/BannedSymbols.txt b/eng/BannedSymbols.txt
index 58c061812120..4c25dda60acb 100644
--- a/eng/BannedSymbols.txt
+++ b/eng/BannedSymbols.txt
@@ -1,21 +1,15 @@
 M:Android.Content.Res.ColorStateList.#ctor(System.Int32[][],System.Int32[]);Use Microsoft.Maui.PlatformInterop.Get*ColorStateList() Java methods instead
 M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddScoped(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Type,System.Type);Use a Factory method to register the service instead
-M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddScoped`1(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddScoped`2(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddSingleton(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Type,System.Type);Use a Factory method to register the service instead
-M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddSingleton`1(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddSingleton`2(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddTransient(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Type,System.Type);Use a Factory method to register the service instead
-M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddTransient`1(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.Extensions.ServiceCollectionDescriptorExtensions.TryAddTransient`2(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddScoped(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Type,System.Type);Use a Factory method to register the service instead
-M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddScoped`1(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddScoped`2(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddSingleton(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Type,System.Type);Use a Factory method to register the service instead
-M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddSingleton`1(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddSingleton`2(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Type,System.Type);Use a Factory method to register the service instead
-M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient`1(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient`2(Microsoft.Extensions.DependencyInjection.IServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Maui.Hosting.ImageSourceServiceCollectionExtensions.AddService`2(Microsoft.Maui.Hosting.IImageSourceServiceCollection);Use a Factory method to register the service instead
 M:Microsoft.Maui.Hosting.MauiHandlersCollectionExtensions.AddHandler(Microsoft.Maui.Hosting.IMauiHandlersCollection,System.Type,System.Type);Use a Factory method to register the service instead
diff --git a/src/BlazorWebView/src/SharedSource/BlazorWebViewServiceCollectionExtensions.cs b/src/BlazorWebView/src/SharedSource/BlazorWebViewServiceCollectionExtensions.cs
index b7b0c748177d..25dfac32b907 100644
--- a/src/BlazorWebView/src/SharedSource/BlazorWebViewServiceCollectionExtensions.cs
+++ b/src/BlazorWebView/src/SharedSource/BlazorWebViewServiceCollectionExtensions.cs
@@ -42,14 +42,14 @@ public static IMauiBlazorWebViewBuilder AddMauiBlazorWebView(this IServiceCollec
 			services.AddBlazorWebView();
 			services.TryAddSingleton(new BlazorWebViewDeveloperTools { Enabled = false });
 #if WEBVIEW2_MAUI
-			services.TryAddSingleton(_ => new MauiBlazorMarkerService());
+			services.TryAddSingleton<MauiBlazorMarkerService>();
 			services.ConfigureMauiHandlers(static handlers => handlers.AddHandler<IBlazorWebView>(_ => new BlazorWebViewHandler()));
 			return new MauiBlazorWebViewBuilder(services);
 #elif WEBVIEW2_WINFORMS
-			services.TryAddSingleton(_ => new WindowsFormsBlazorMarkerService());
+			services.TryAddSingleton<WindowsFormsBlazorMarkerService>();
 			return new WindowsFormsBlazorWebViewBuilder(services);
 #elif WEBVIEW2_WPF
-			services.TryAddSingleton(_ => new WpfBlazorMarkerService());
+			services.TryAddSingleton<WpfBlazorMarkerService>();
 			return new WpfBlazorWebViewBuilder(services);
 #endif
 		}
diff --git a/src/Controls/src/Core/Hosting/Effects/AppHostBuilderExtensions.cs b/src/Controls/src/Core/Hosting/Effects/AppHostBuilderExtensions.cs
index b07d070b0054..75b6b3aaacfb 100644
--- a/src/Controls/src/Core/Hosting/Effects/AppHostBuilderExtensions.cs
+++ b/src/Controls/src/Core/Hosting/Effects/AppHostBuilderExtensions.cs
@@ -42,7 +42,7 @@ public static partial class AppHostBuilderExtensions
 	{
 		public static MauiAppBuilder ConfigureEffects(this MauiAppBuilder builder, Action<IEffectsBuilder> configureDelegate)
 		{
-			builder.Services.TryAddSingleton(svc => new EffectsFactory(svc.GetServices<EffectsRegistration>()));
+			builder.Services.TryAddSingleton<EffectsFactory>();
 			if (configureDelegate != null)
 			{
 				builder.Services.AddSingleton<EffectsRegistration>(new EffectsRegistration(configureDelegate));
diff --git a/src/Controls/src/Xaml/Hosting/AppHostBuilderExtensions.cs b/src/Controls/src/Xaml/Hosting/AppHostBuilderExtensions.cs
index adaf4540b2bc..4004dc8fd036 100644
--- a/src/Controls/src/Xaml/Hosting/AppHostBuilderExtensions.cs
+++ b/src/Controls/src/Xaml/Hosting/AppHostBuilderExtensions.cs
@@ -192,7 +192,7 @@ static MauiAppBuilder SetupDefaults(this MauiAppBuilder builder)
 			DependencyService.Register<FontNamedSizeService>();
 #pragma warning restore CS0612, CA1416 // Type or member is obsolete
 #endif
-			builder.Services.AddScoped(_ => new HideSoftInputOnTappedChangedManager());
+			builder.Services.AddScoped<HideSoftInputOnTappedChangedManager>();
 			builder.ConfigureImageSourceHandlers();
 			builder
 				.ConfigureMauiHandlers(handlers =>