diff --git a/src/Security/samples/Identity.ExternalClaims/Startup.cs b/src/Security/samples/Identity.ExternalClaims/Startup.cs
index 68ea7bab3c..e1f8821669 100644
--- a/src/Security/samples/Identity.ExternalClaims/Startup.cs
+++ b/src/Security/samples/Identity.ExternalClaims/Startup.cs
@@ -81,8 +81,6 @@ namespace Identity.ExternalClaims
 
             app.UseStaticFiles();
 
-            app.UseAuthentication();
-
             app.UseRouting();
 
             app.UseAuthentication();