diff --git a/src/Http/Routing/src/Builder/EndpointRouteBuilderExtensions.cs b/src/Http/Routing/src/Builder/EndpointRouteBuilderExtensions.cs
index 058304686084..178646a77a0b 100644
--- a/src/Http/Routing/src/Builder/EndpointRouteBuilderExtensions.cs
+++ b/src/Http/Routing/src/Builder/EndpointRouteBuilderExtensions.cs
@@ -51,8 +51,8 @@ public static GroupRouteBuilder MapGroup(this IEndpointRouteBuilder endpoints, s
     /// </returns>
     public static GroupRouteBuilder MapGroup(this IEndpointRouteBuilder endpoints, RoutePattern prefix)
     {
-        ArgumentNullException.ThrowIfNull(endpoints, nameof(endpoints));
-        ArgumentNullException.ThrowIfNull(prefix, nameof(prefix));
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(prefix);
 
         return new(endpoints, prefix);
     }
@@ -158,10 +158,7 @@ public static IEndpointConventionBuilder MapMethods(
        IEnumerable<string> httpMethods,
        RequestDelegate requestDelegate)
     {
-        if (httpMethods == null)
-        {
-            throw new ArgumentNullException(nameof(httpMethods));
-        }
+        ArgumentNullException.ThrowIfNull(httpMethods);
 
         var builder = endpoints.Map(RoutePatternFactory.Parse(pattern), requestDelegate);
         builder.WithDisplayName($"{pattern} HTTP: {string.Join(", ", httpMethods)}");
@@ -198,20 +195,9 @@ public static IEndpointConventionBuilder Map(
         RoutePattern pattern,
         RequestDelegate requestDelegate)
     {
-        if (endpoints == null)
-        {
-            throw new ArgumentNullException(nameof(endpoints));
-        }
-
-        if (pattern == null)
-        {
-            throw new ArgumentNullException(nameof(pattern));
-        }
-
-        if (requestDelegate == null)
-        {
-            throw new ArgumentNullException(nameof(requestDelegate));
-        }
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(pattern);
+        ArgumentNullException.ThrowIfNull(requestDelegate);
 
         const int defaultOrder = 0;
 
@@ -346,10 +332,7 @@ public static RouteHandlerBuilder MapMethods(
        IEnumerable<string> httpMethods,
        Delegate handler)
     {
-        if (httpMethods is null)
-        {
-            throw new ArgumentNullException(nameof(httpMethods));
-        }
+        ArgumentNullException.ThrowIfNull(httpMethods);
 
         var disableInferredBody = false;
         foreach (var method in httpMethods)
@@ -437,15 +420,8 @@ public static RouteHandlerBuilder Map(
     [RequiresUnreferencedCode(MapEndpointTrimmerWarning)]
     public static RouteHandlerBuilder MapFallback(this IEndpointRouteBuilder endpoints, Delegate handler)
     {
-        if (endpoints == null)
-        {
-            throw new ArgumentNullException(nameof(endpoints));
-        }
-
-        if (handler == null)
-        {
-            throw new ArgumentNullException(nameof(handler));
-        }
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(handler);
 
         return endpoints.MapFallback("{*path:nonfile}", handler);
     }
@@ -477,20 +453,9 @@ public static RouteHandlerBuilder MapFallback(
         string pattern,
         Delegate handler)
     {
-        if (endpoints == null)
-        {
-            throw new ArgumentNullException(nameof(endpoints));
-        }
-
-        if (pattern == null)
-        {
-            throw new ArgumentNullException(nameof(pattern));
-        }
-
-        if (handler == null)
-        {
-            throw new ArgumentNullException(nameof(handler));
-        }
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(pattern);
+        ArgumentNullException.ThrowIfNull(handler);
 
         var conventionBuilder = endpoints.Map(pattern, handler);
         conventionBuilder.WithDisplayName("Fallback " + pattern);
@@ -506,20 +471,9 @@ private static RouteHandlerBuilder Map(
         bool disableInferBodyFromParameters,
         IEnumerable<object>? initialEndpointMetadata = null)
     {
-        if (endpoints is null)
-        {
-            throw new ArgumentNullException(nameof(endpoints));
-        }
-
-        if (pattern is null)
-        {
-            throw new ArgumentNullException(nameof(pattern));
-        }
-
-        if (handler is null)
-        {
-            throw new ArgumentNullException(nameof(handler));
-        }
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(pattern);
+        ArgumentNullException.ThrowIfNull(handler);
 
         const int defaultOrder = 0;
 
diff --git a/src/Http/Routing/src/Builder/EndpointRoutingApplicationBuilderExtensions.cs b/src/Http/Routing/src/Builder/EndpointRoutingApplicationBuilderExtensions.cs
index 69c7da5e8eed..6d14b6bd980e 100644
--- a/src/Http/Routing/src/Builder/EndpointRoutingApplicationBuilderExtensions.cs
+++ b/src/Http/Routing/src/Builder/EndpointRoutingApplicationBuilderExtensions.cs
@@ -37,10 +37,7 @@ public static class EndpointRoutingApplicationBuilderExtensions
     /// </remarks>
     public static IApplicationBuilder UseRouting(this IApplicationBuilder builder)
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
 
         VerifyRoutingServicesAreRegistered(builder);
 
@@ -85,15 +82,8 @@ public static IApplicationBuilder UseRouting(this IApplicationBuilder builder)
     /// </remarks>
     public static IApplicationBuilder UseEndpoints(this IApplicationBuilder builder, Action<IEndpointRouteBuilder> configure)
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
-
-        if (configure == null)
-        {
-            throw new ArgumentNullException(nameof(configure));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
+        ArgumentNullException.ThrowIfNull(configure);
 
         VerifyRoutingServicesAreRegistered(builder);
 
diff --git a/src/Http/Routing/src/Builder/FallbackEndpointRouteBuilderExtensions.cs b/src/Http/Routing/src/Builder/FallbackEndpointRouteBuilderExtensions.cs
index 25082d9de5d0..8dd7c1e90aa3 100644
--- a/src/Http/Routing/src/Builder/FallbackEndpointRouteBuilderExtensions.cs
+++ b/src/Http/Routing/src/Builder/FallbackEndpointRouteBuilderExtensions.cs
@@ -37,15 +37,8 @@ public static class FallbackEndpointRouteBuilderExtensions
     /// </remarks>
     public static IEndpointConventionBuilder MapFallback(this IEndpointRouteBuilder endpoints, RequestDelegate requestDelegate)
     {
-        if (endpoints == null)
-        {
-            throw new ArgumentNullException(nameof(endpoints));
-        }
-
-        if (requestDelegate == null)
-        {
-            throw new ArgumentNullException(nameof(requestDelegate));
-        }
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(requestDelegate);
 
         return endpoints.MapFallback("{*path:nonfile}", requestDelegate);
     }
@@ -76,20 +69,9 @@ public static IEndpointConventionBuilder MapFallback(
         string pattern,
         RequestDelegate requestDelegate)
     {
-        if (endpoints == null)
-        {
-            throw new ArgumentNullException(nameof(endpoints));
-        }
-
-        if (pattern == null)
-        {
-            throw new ArgumentNullException(nameof(pattern));
-        }
-
-        if (requestDelegate == null)
-        {
-            throw new ArgumentNullException(nameof(requestDelegate));
-        }
+        ArgumentNullException.ThrowIfNull(endpoints);
+        ArgumentNullException.ThrowIfNull(pattern);
+        ArgumentNullException.ThrowIfNull(requestDelegate);
 
         var conventionBuilder = endpoints.Map(pattern, requestDelegate);
         conventionBuilder.WithDisplayName("Fallback " + pattern);
diff --git a/src/Http/Routing/src/Builder/RoutingBuilderExtensions.cs b/src/Http/Routing/src/Builder/RoutingBuilderExtensions.cs
index 3dcbef76c9cd..6dd8316c0fa6 100644
--- a/src/Http/Routing/src/Builder/RoutingBuilderExtensions.cs
+++ b/src/Http/Routing/src/Builder/RoutingBuilderExtensions.cs
@@ -19,15 +19,8 @@ public static class RoutingBuilderExtensions
     /// <returns>A reference to this instance after the operation has completed.</returns>
     public static IApplicationBuilder UseRouter(this IApplicationBuilder builder, IRouter router)
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
-
-        if (router == null)
-        {
-            throw new ArgumentNullException(nameof(router));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
+        ArgumentNullException.ThrowIfNull(router);
 
         if (builder.ApplicationServices.GetService(typeof(RoutingMarkerService)) == null)
         {
@@ -49,15 +42,8 @@ public static IApplicationBuilder UseRouter(this IApplicationBuilder builder, IR
     /// <returns>A reference to this instance after the operation has completed.</returns>
     public static IApplicationBuilder UseRouter(this IApplicationBuilder builder, Action<IRouteBuilder> action)
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
-
-        if (action == null)
-        {
-            throw new ArgumentNullException(nameof(action));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
+        ArgumentNullException.ThrowIfNull(action);
 
         if (builder.ApplicationServices.GetService(typeof(RoutingMarkerService)) == null)
         {
diff --git a/src/Http/Routing/src/Builder/RoutingEndpointConventionBuilderExtensions.cs b/src/Http/Routing/src/Builder/RoutingEndpointConventionBuilderExtensions.cs
index e2b64bab0303..258391f87b60 100644
--- a/src/Http/Routing/src/Builder/RoutingEndpointConventionBuilderExtensions.cs
+++ b/src/Http/Routing/src/Builder/RoutingEndpointConventionBuilderExtensions.cs
@@ -22,15 +22,8 @@ public static class RoutingEndpointConventionBuilderExtensions
     /// <returns>A reference to this instance after the operation has completed.</returns>
     public static TBuilder RequireHost<TBuilder>(this TBuilder builder, params string[] hosts) where TBuilder : IEndpointConventionBuilder
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
-
-        if (hosts == null)
-        {
-            throw new ArgumentNullException(nameof(hosts));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
+        ArgumentNullException.ThrowIfNull(hosts);
 
         builder.Add(endpointBuilder =>
         {
@@ -48,10 +41,7 @@ public static TBuilder RequireHost<TBuilder>(this TBuilder builder, params strin
     /// <returns>The <see cref="IEndpointConventionBuilder"/>.</returns>
     public static TBuilder WithDisplayName<TBuilder>(this TBuilder builder, string displayName) where TBuilder : IEndpointConventionBuilder
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
 
         builder.Add(b =>
         {
@@ -70,15 +60,8 @@ public static TBuilder WithDisplayName<TBuilder>(this TBuilder builder, string d
     /// <returns>The <see cref="IEndpointConventionBuilder"/>.</returns>
     public static TBuilder WithDisplayName<TBuilder>(this TBuilder builder, Func<EndpointBuilder, string> func) where TBuilder : IEndpointConventionBuilder
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
-
-        if (func == null)
-        {
-            throw new ArgumentNullException(nameof(func));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
+        ArgumentNullException.ThrowIfNull(func);
 
         builder.Add(b =>
         {
@@ -97,15 +80,8 @@ public static TBuilder WithDisplayName<TBuilder>(this TBuilder builder, Func<End
     /// <returns>The <see cref="IEndpointConventionBuilder"/>.</returns>
     public static TBuilder WithMetadata<TBuilder>(this TBuilder builder, params object[] items) where TBuilder : IEndpointConventionBuilder
     {
-        if (builder == null)
-        {
-            throw new ArgumentNullException(nameof(builder));
-        }
-
-        if (items == null)
-        {
-            throw new ArgumentNullException(nameof(items));
-        }
+        ArgumentNullException.ThrowIfNull(builder);
+        ArgumentNullException.ThrowIfNull(items);
 
         builder.Add(b =>
         {