Use AddHttpContextAccessor

src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpAspNetCoreMvcModule.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc.ApplicationParts;
 using Microsoft.AspNetCore.Mvc.Razor;
 using Microsoft.Extensions.DependencyInjection;
@@ -93,7 +92,6 @@ namespace Volo.Abp.AspNetCore.Mvc
 
             //TODO: AddViewLocalization by default..?
 
-            services.TryAddSingleton<IHttpContextAccessor, HttpContextAccessor>();
             services.TryAddSingleton<IActionContextAccessor, ActionContextAccessor>();
 
             //Use DI to create controllers

src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/AbpAspNetCoreModule.cs

@@ -24,7 +24,7 @@ namespace Volo.Abp.AspNetCore
 
         private static void AddAspNetServices(IServiceCollection services)
         {
-            services.TryAddSingleton<IHttpContextAccessor, HttpContextAccessor>();
+            services.AddHttpContextAccessor();
         }
     }
 }