diff --git a/src/Ocelot/Authentication/Handler/Creator/AuthenticationHandlerCreator.cs b/src/Ocelot/Authentication/Handler/Creator/AuthenticationHandlerCreator.cs
index 910b99e4..5015fefa 100644
--- a/src/Ocelot/Authentication/Handler/Creator/AuthenticationHandlerCreator.cs
+++ b/src/Ocelot/Authentication/Handler/Creator/AuthenticationHandlerCreator.cs
@@ -19,7 +19,7 @@ namespace Ocelot.Authentication.Handler.Creator
         {
             var builder = app.New();
 
-            var authenticationConfig = authOptions.Config as IdentityServerConfig;
+            var authenticationConfig = authOptions.Config;
 
             builder.UseIdentityServerAuthentication(new IdentityServerAuthenticationOptions
             {
diff --git a/src/Ocelot/Configuration/AuthenticationOptions.cs b/src/Ocelot/Configuration/AuthenticationOptions.cs
index cfb76fe4..25b65fe9 100644
--- a/src/Ocelot/Configuration/AuthenticationOptions.cs
+++ b/src/Ocelot/Configuration/AuthenticationOptions.cs
@@ -2,9 +2,11 @@
 
 namespace Ocelot.Configuration
 {
+    using Newtonsoft.Json;
+
     public class AuthenticationOptions
     {
-        public AuthenticationOptions(string provider, List<string> allowedScopes, IAuthenticationConfig config)
+        public AuthenticationOptions(string provider, List<string> allowedScopes, IdentityServerConfig config)
         {
             Provider = provider;
             AllowedScopes = allowedScopes;
@@ -15,15 +17,10 @@ namespace Ocelot.Configuration
         
         public List<string> AllowedScopes { get; private set; }
 
-        public IAuthenticationConfig Config { get; }
+        public IdentityServerConfig Config { get; private set; }
     }
 
-
-    public interface IAuthenticationConfig
-    {
-    }
-
-    public class IdentityServerConfig : IAuthenticationConfig
+    public class IdentityServerConfig
     {
         public IdentityServerConfig(string providerRootUrl, string apiName, bool requireHttps, string apiSecret)
         {
diff --git a/src/Ocelot/Configuration/Builder/AuthenticationOptionsBuilder.cs b/src/Ocelot/Configuration/Builder/AuthenticationOptionsBuilder.cs
index bd20717c..3f83d3a3 100644
--- a/src/Ocelot/Configuration/Builder/AuthenticationOptionsBuilder.cs
+++ b/src/Ocelot/Configuration/Builder/AuthenticationOptionsBuilder.cs
@@ -9,7 +9,7 @@ namespace Ocelot.Configuration.Builder
 
         private List<string> _allowedScopes;
 
-        private IAuthenticationConfig _config;
+        private IdentityServerConfig _identityServerConfig;
 
         public AuthenticationOptionsBuilder WithProvider(string provider)
         {
@@ -23,15 +23,15 @@ namespace Ocelot.Configuration.Builder
             return this;
         }
 
-        public AuthenticationOptionsBuilder WithConfiguration(IAuthenticationConfig config)
+        public AuthenticationOptionsBuilder WithIdntityServerConfigConfiguration(IdentityServerConfig config)
         {
-            _config = config;
+            _identityServerConfig = config;
             return this;
         }
 
         public AuthenticationOptions Build()
         {
-            return new AuthenticationOptions(_provider, _allowedScopes, _config);
+            return new AuthenticationOptions(_provider, _allowedScopes, _identityServerConfig);
         }
     }
 
diff --git a/src/Ocelot/Configuration/Creator/AuthenticationOptionsCreator.cs b/src/Ocelot/Configuration/Creator/AuthenticationOptionsCreator.cs
index ac185cdf..7f3f34a3 100644
--- a/src/Ocelot/Configuration/Creator/AuthenticationOptionsCreator.cs
+++ b/src/Ocelot/Configuration/Creator/AuthenticationOptionsCreator.cs
@@ -7,19 +7,19 @@ namespace Ocelot.Configuration.Creator
     {
         public AuthenticationOptions Create(FileReRoute fileReRoute)
         {
-            var authenticationConfig = new AuthenticationConfigCreator().Create(fileReRoute.AuthenticationOptions);
+            var authenticationConfig = new IdentityServerConfigCreator().Create(fileReRoute.AuthenticationOptions);
 
             return new AuthenticationOptionsBuilder()
                 .WithProvider(fileReRoute.AuthenticationOptions?.Provider)
                 .WithAllowedScopes(fileReRoute.AuthenticationOptions?.AllowedScopes)
-                .WithConfiguration(authenticationConfig)
+                .WithIdntityServerConfigConfiguration(authenticationConfig)
                 .Build();
         } 
     }
 
-    public class AuthenticationConfigCreator
+    public class IdentityServerConfigCreator
     {
-        public IAuthenticationConfig Create(FileAuthenticationOptions authenticationOptions)
+        public IdentityServerConfig Create(FileAuthenticationOptions authenticationOptions)
         {
             return new IdentityServerConfigBuilder()
                 .WithApiName(authenticationOptions.IdentityServerConfig?.ApiName)
diff --git a/test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs b/test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs
index 0ab4cc6a..88301610 100644
--- a/test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs
+++ b/test/Ocelot.AcceptanceTests/ConfigurationInConsulTests.cs
@@ -29,7 +29,6 @@ namespace Ocelot.AcceptanceTests
             _steps = new Steps();
         }
 
-
         [Fact]
         public void should_return_response_200_with_simple_url()
         {