diff --git a/src/Microsoft.AspNetCore.Mvc.Core/Internal/MiddlewareFilter.cs b/src/Microsoft.AspNetCore.Mvc.Core/Internal/MiddlewareFilter.cs
index d346acc27e..1ecaa98f0f 100644
--- a/src/Microsoft.AspNetCore.Mvc.Core/Internal/MiddlewareFilter.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Core/Internal/MiddlewareFilter.cs
@@ -11,7 +11,7 @@ namespace Microsoft.AspNetCore.Mvc.Internal
     /// <summary>
     /// A filter which executes a user configured middleware pipeline.
     /// </summary>
-    public class MiddlewareFilter : IAsyncResourceFilter
+    internal class MiddlewareFilter : IAsyncResourceFilter
     {
         private readonly RequestDelegate _middlewarePipeline;