diff --git a/samples/CookieSample/Startup.cs b/samples/CookieSample/Startup.cs
index c2593c9090..768415f0ce 100644
--- a/samples/CookieSample/Startup.cs
+++ b/samples/CookieSample/Startup.cs
@@ -45,7 +45,6 @@ namespace CookieSample
         public static void Main(string[] args)
         {
             var host = new WebHostBuilder()
-                .UseDefaultHostingConfiguration(args)
                 .UseKestrel()
                 .UseIISIntegration()
                 .UseStartup<Startup>()
diff --git a/samples/CookieSessionSample/Startup.cs b/samples/CookieSessionSample/Startup.cs
index 423c961206..4d3ea3aa67 100644
--- a/samples/CookieSessionSample/Startup.cs
+++ b/samples/CookieSessionSample/Startup.cs
@@ -55,7 +55,6 @@ namespace CookieSessionSample
         public static void Main(string[] args)
         {
             var host = new WebHostBuilder()
-                .UseDefaultHostingConfiguration(args)
                 .UseKestrel()
                 .UseIISIntegration()
                 .UseStartup<Startup>()
diff --git a/samples/JwtBearerSample/Startup.cs b/samples/JwtBearerSample/Startup.cs
index c2dbfb7a9d..b2df5033e4 100644
--- a/samples/JwtBearerSample/Startup.cs
+++ b/samples/JwtBearerSample/Startup.cs
@@ -111,7 +111,6 @@ namespace JwtBearerSample
         public static void Main(string[] args)
         {
             var host = new WebHostBuilder()
-                .UseDefaultHostingConfiguration(args)
                 .UseKestrel()
                 .UseIISIntegration()
                 .UseStartup<Startup>()
diff --git a/samples/OpenIdConnect.AzureAdSample/Startup.cs b/samples/OpenIdConnect.AzureAdSample/Startup.cs
index 938a19c201..7d8cf23461 100644
--- a/samples/OpenIdConnect.AzureAdSample/Startup.cs
+++ b/samples/OpenIdConnect.AzureAdSample/Startup.cs
@@ -154,7 +154,6 @@ namespace OpenIdConnect.AzureAdSample
         public static void Main(string[] args)
         {
             var host = new WebHostBuilder()
-                .UseDefaultHostingConfiguration(args)
                 .UseKestrel()
                 .UseIISIntegration()
                 .UseStartup<Startup>()
diff --git a/samples/OpenIdConnectSample/Startup.cs b/samples/OpenIdConnectSample/Startup.cs
index 097ce771bc..ff68b471fa 100644
--- a/samples/OpenIdConnectSample/Startup.cs
+++ b/samples/OpenIdConnectSample/Startup.cs
@@ -100,7 +100,6 @@ namespace OpenIdConnectSample
         public static void Main(string[] args)
         {
             var host = new WebHostBuilder()
-                .UseDefaultHostingConfiguration(args)
                 .UseKestrel()
                 .UseIISIntegration()
                 .UseStartup<Startup>()
diff --git a/samples/SocialSample/Startup.cs b/samples/SocialSample/Startup.cs
index f109d65feb..bf09b3f6f2 100644
--- a/samples/SocialSample/Startup.cs
+++ b/samples/SocialSample/Startup.cs
@@ -332,7 +332,6 @@ namespace SocialSample
         public static void Main(string[] args)
         {
             var host = new WebHostBuilder()
-                .UseDefaultHostingConfiguration(args)
                 .UseKestrel(options =>
                 {
                     //Configure SSL