diff --git a/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netcoreapp3.0.cs b/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netcoreapp3.0.cs
index a19e7c1ba3..ca0535937a 100644
--- a/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netcoreapp3.0.cs
+++ b/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netcoreapp3.0.cs
@@ -57,7 +57,7 @@ namespace Microsoft.AspNetCore.Components.Authorization
         public CascadingAuthenticationState() { }
         [Microsoft.AspNetCore.Components.ParameterAttribute]
         public Microsoft.AspNetCore.Components.RenderFragment ChildContent { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        protected override void BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder builder) { }
+        protected override void BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder) { }
         protected override void OnInitialized() { }
         void System.IDisposable.Dispose() { }
     }
diff --git a/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netstandard2.0.cs b/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netstandard2.0.cs
index a19e7c1ba3..ca0535937a 100644
--- a/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netstandard2.0.cs
+++ b/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.netstandard2.0.cs
@@ -57,7 +57,7 @@ namespace Microsoft.AspNetCore.Components.Authorization
         public CascadingAuthenticationState() { }
         [Microsoft.AspNetCore.Components.ParameterAttribute]
         public Microsoft.AspNetCore.Components.RenderFragment ChildContent { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
-        protected override void BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder builder) { }
+        protected override void BuildRenderTree(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder) { }
         protected override void OnInitialized() { }
         void System.IDisposable.Dispose() { }
     }