diff --git a/modules/swagger-codegen/src/main/resources/csharp/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/csharp/ApiClient.mustache
index 19b60adae9f..45316e679fa 100644
--- a/modules/swagger-codegen/src/main/resources/csharp/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/csharp/ApiClient.mustache
@@ -7,7 +7,6 @@ using System.Web;
 using System.Linq;
 using System.Net;
 using System.Text;
-using System.Threading.Tasks;
 using Newtonsoft.Json;
 using RestSharp;
 using RestSharp.Extensions;
@@ -111,7 +110,7 @@ namespace {{packageName}}.Client
         /// <param name="fileParams">File parameters.</param>
         /// <param name="authSettings">Authentication settings.</param>
         /// <returns>The Task instance.</returns>
-        public async Task<Object> CallApiAsync(String path, RestSharp.Method method, Dictionary<String, String> queryParams, String postBody,
+        public async System.Threading.Tasks.Task<Object> CallApiAsync(String path, RestSharp.Method method, Dictionary<String, String> queryParams, String postBody,
             Dictionary<String, String> headerParams, Dictionary<String, String> formParams, Dictionary<String, FileParameter> fileParams, String[] authSettings)
         {
     
diff --git a/modules/swagger-codegen/src/main/resources/csharp/api.mustache b/modules/swagger-codegen/src/main/resources/csharp/api.mustache
index 8ca15af026b..ceac07ddfd1 100644
--- a/modules/swagger-codegen/src/main/resources/csharp/api.mustache
+++ b/modules/swagger-codegen/src/main/resources/csharp/api.mustache
@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Collections.Generic;
-using System.Threading.Tasks;
 using RestSharp;
 using {{packageName}}.Client;
 {{#hasImport}}using {{packageName}}.Model;
@@ -25,7 +24,7 @@ namespace {{packageName}}.Api
         /// </summary>
         {{#allParams}}/// <param name="{{paramName}}">{{description}}</param>
         {{/allParams}}/// <returns>{{#returnType}}{{{returnType}}}{{/returnType}}</returns>
-        {{#returnType}}Task<{{{returnType}}}>{{/returnType}}{{^returnType}}Task{{/returnType}} {{nickname}}Async ({{#allParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
+        {{#returnType}}System.Threading.Tasks.Task<{{{returnType}}}>{{/returnType}}{{^returnType}}System.Threading.Tasks.Task{{/returnType}} {{nickname}}Async ({{#allParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
         {{/operation}}
     }
   
@@ -134,7 +133,7 @@ namespace {{packageName}}.Api
         /// </summary>
         {{#allParams}}/// <param name="{{paramName}}">{{description}}</param>
         {{/allParams}}/// <returns>{{#returnType}}{{{returnType}}}{{/returnType}}</returns>
-        {{#returnType}}public async Task<{{{returnType}}}>{{/returnType}}{{^returnType}}public async Task{{/returnType}} {{nickname}}Async ({{#allParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+        {{#returnType}}public async System.Threading.Tasks.Task<{{{returnType}}}>{{/returnType}}{{^returnType}}public async System.Threading.Tasks.Task{{/returnType}} {{nickname}}Async ({{#allParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
         {
             {{#allParams}}{{#required}}// verify the required parameter '{{paramName}}' is set
             if ({{paramName}} == null) throw new ApiException(400, "Missing required parameter '{{paramName}}' when calling {{nickname}}");
diff --git a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/PetApi.cs b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/PetApi.cs
index 91790cb7e06..166d40b5656 100644
--- a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/PetApi.cs
+++ b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/PetApi.cs
@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Collections.Generic;
-using System.Threading.Tasks;
 using RestSharp;
 using IO.Swagger.Client;
 using IO.Swagger.Model;
@@ -24,7 +23,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">Pet object that needs to be added to the store</param>
         /// <returns></returns>
-        Task UpdatePetAsync (Pet body);
+        System.Threading.Tasks.Task UpdatePetAsync (Pet body);
         
         /// <summary>
         /// Add a new pet to the store 
@@ -38,7 +37,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">Pet object that needs to be added to the store</param>
         /// <returns></returns>
-        Task AddPetAsync (Pet body);
+        System.Threading.Tasks.Task AddPetAsync (Pet body);
         
         /// <summary>
         /// Finds Pets by status Multiple status values can be provided with comma seperated strings
@@ -52,7 +51,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="status">Status values that need to be considered for filter</param>
         /// <returns>List<Pet></returns>
-        Task<List<Pet>> FindPetsByStatusAsync (List<string> status);
+        System.Threading.Tasks.Task<List<Pet>> FindPetsByStatusAsync (List<string> status);
         
         /// <summary>
         /// Finds Pets by tags Muliple tags can be provided with comma seperated strings. Use tag1, tag2, tag3 for testing.
@@ -66,7 +65,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="tags">Tags to filter by</param>
         /// <returns>List<Pet></returns>
-        Task<List<Pet>> FindPetsByTagsAsync (List<string> tags);
+        System.Threading.Tasks.Task<List<Pet>> FindPetsByTagsAsync (List<string> tags);
         
         /// <summary>
         /// Find pet by ID Returns a pet when ID &lt; 10.  ID &gt; 10 or nonintegers will simulate API error conditions
@@ -80,7 +79,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="petId">ID of pet that needs to be fetched</param>
         /// <returns>Pet</returns>
-        Task<Pet> GetPetByIdAsync (long? petId);
+        System.Threading.Tasks.Task<Pet> GetPetByIdAsync (long? petId);
         
         /// <summary>
         /// Updates a pet in the store with form data 
@@ -98,7 +97,7 @@ namespace IO.Swagger.Api
         /// <param name="name">Updated name of the pet</param>
         /// <param name="status">Updated status of the pet</param>
         /// <returns></returns>
-        Task UpdatePetWithFormAsync (string petId, string name, string status);
+        System.Threading.Tasks.Task UpdatePetWithFormAsync (string petId, string name, string status);
         
         /// <summary>
         /// Deletes a pet 
@@ -114,7 +113,7 @@ namespace IO.Swagger.Api
         /// <param name="apiKey"></param>
         /// <param name="petId">Pet id to delete</param>
         /// <returns></returns>
-        Task DeletePetAsync (string apiKey, long? petId);
+        System.Threading.Tasks.Task DeletePetAsync (string apiKey, long? petId);
         
         /// <summary>
         /// uploads an image 
@@ -132,7 +131,7 @@ namespace IO.Swagger.Api
         /// <param name="additionalMetadata">Additional data to pass to server</param>
         /// <param name="file">file to upload</param>
         /// <returns></returns>
-        Task UploadFileAsync (long? petId, string additionalMetadata, Stream file);
+        System.Threading.Tasks.Task UploadFileAsync (long? petId, string additionalMetadata, Stream file);
         
     }
   
@@ -234,7 +233,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">Pet object that needs to be added to the store</param>
         /// <returns></returns>
-        public async Task UpdatePetAsync (Pet body)
+        public async System.Threading.Tasks.Task UpdatePetAsync (Pet body)
         {
             
     
@@ -310,7 +309,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">Pet object that needs to be added to the store</param>
         /// <returns></returns>
-        public async Task AddPetAsync (Pet body)
+        public async System.Threading.Tasks.Task AddPetAsync (Pet body)
         {
             
     
@@ -386,7 +385,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="status">Status values that need to be considered for filter</param>
         /// <returns>List<Pet></returns>
-        public async Task<List<Pet>> FindPetsByStatusAsync (List<string> status)
+        public async System.Threading.Tasks.Task<List<Pet>> FindPetsByStatusAsync (List<string> status)
         {
             
     
@@ -461,7 +460,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="tags">Tags to filter by</param>
         /// <returns>List<Pet></returns>
-        public async Task<List<Pet>> FindPetsByTagsAsync (List<string> tags)
+        public async System.Threading.Tasks.Task<List<Pet>> FindPetsByTagsAsync (List<string> tags)
         {
             
     
@@ -539,7 +538,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="petId">ID of pet that needs to be fetched</param>
         /// <returns>Pet</returns>
-        public async Task<Pet> GetPetByIdAsync (long? petId)
+        public async System.Threading.Tasks.Task<Pet> GetPetByIdAsync (long? petId)
         {
             // verify the required parameter 'petId' is set
             if (petId == null) throw new ApiException(400, "Missing required parameter 'petId' when calling GetPetById");
@@ -625,7 +624,7 @@ namespace IO.Swagger.Api
         /// <param name="name">Updated name of the pet</param>
         /// <param name="status">Updated status of the pet</param>
         /// <returns></returns>
-        public async Task UpdatePetWithFormAsync (string petId, string name, string status)
+        public async System.Threading.Tasks.Task UpdatePetWithFormAsync (string petId, string name, string status)
         {
             // verify the required parameter 'petId' is set
             if (petId == null) throw new ApiException(400, "Missing required parameter 'petId' when calling UpdatePetWithForm");
@@ -711,7 +710,7 @@ namespace IO.Swagger.Api
         /// <param name="apiKey"></param>
         /// <param name="petId">Pet id to delete</param>
         /// <returns></returns>
-        public async Task DeletePetAsync (string apiKey, long? petId)
+        public async System.Threading.Tasks.Task DeletePetAsync (string apiKey, long? petId)
         {
             // verify the required parameter 'petId' is set
             if (petId == null) throw new ApiException(400, "Missing required parameter 'petId' when calling DeletePet");
@@ -799,7 +798,7 @@ namespace IO.Swagger.Api
         /// <param name="additionalMetadata">Additional data to pass to server</param>
         /// <param name="file">file to upload</param>
         /// <returns></returns>
-        public async Task UploadFileAsync (long? petId, string additionalMetadata, Stream file)
+        public async System.Threading.Tasks.Task UploadFileAsync (long? petId, string additionalMetadata, Stream file)
         {
             // verify the required parameter 'petId' is set
             if (petId == null) throw new ApiException(400, "Missing required parameter 'petId' when calling UploadFile");
diff --git a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/StoreApi.cs b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/StoreApi.cs
index 014a44cddd7..74d14e7ffe2 100644
--- a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/StoreApi.cs
+++ b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/StoreApi.cs
@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Collections.Generic;
-using System.Threading.Tasks;
 using RestSharp;
 using IO.Swagger.Client;
 using IO.Swagger.Model;
@@ -22,7 +21,7 @@ namespace IO.Swagger.Api
         /// Returns pet inventories by status Returns a map of status codes to quantities
         /// </summary>
         /// <returns>Dictionary<String, int?></returns>
-        Task<Dictionary<String, int?>> GetInventoryAsync ();
+        System.Threading.Tasks.Task<Dictionary<String, int?>> GetInventoryAsync ();
         
         /// <summary>
         /// Place an order for a pet 
@@ -36,7 +35,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">order placed for purchasing the pet</param>
         /// <returns>Order</returns>
-        Task<Order> PlaceOrderAsync (Order body);
+        System.Threading.Tasks.Task<Order> PlaceOrderAsync (Order body);
         
         /// <summary>
         /// Find purchase order by ID For valid response try integer IDs with value &lt;= 5 or &gt; 10. Other values will generated exceptions
@@ -50,7 +49,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="orderId">ID of pet that needs to be fetched</param>
         /// <returns>Order</returns>
-        Task<Order> GetOrderByIdAsync (string orderId);
+        System.Threading.Tasks.Task<Order> GetOrderByIdAsync (string orderId);
         
         /// <summary>
         /// Delete purchase order by ID For valid response try integer IDs with value &lt; 1000. Anything above 1000 or nonintegers will generate API errors
@@ -64,7 +63,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="orderId">ID of the order that needs to be deleted</param>
         /// <returns></returns>
-        Task DeleteOrderAsync (string orderId);
+        System.Threading.Tasks.Task DeleteOrderAsync (string orderId);
         
     }
   
@@ -163,7 +162,7 @@ namespace IO.Swagger.Api
         /// Returns pet inventories by status Returns a map of status codes to quantities
         /// </summary>
         /// <returns>Dictionary<String, int?></returns>
-        public async Task<Dictionary<String, int?>> GetInventoryAsync ()
+        public async System.Threading.Tasks.Task<Dictionary<String, int?>> GetInventoryAsync ()
         {
             
     
@@ -237,7 +236,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">order placed for purchasing the pet</param>
         /// <returns>Order</returns>
-        public async Task<Order> PlaceOrderAsync (Order body)
+        public async System.Threading.Tasks.Task<Order> PlaceOrderAsync (Order body)
         {
             
     
@@ -315,7 +314,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="orderId">ID of pet that needs to be fetched</param>
         /// <returns>Order</returns>
-        public async Task<Order> GetOrderByIdAsync (string orderId)
+        public async System.Threading.Tasks.Task<Order> GetOrderByIdAsync (string orderId)
         {
             // verify the required parameter 'orderId' is set
             if (orderId == null) throw new ApiException(400, "Missing required parameter 'orderId' when calling GetOrderById");
@@ -395,7 +394,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="orderId">ID of the order that needs to be deleted</param>
         /// <returns></returns>
-        public async Task DeleteOrderAsync (string orderId)
+        public async System.Threading.Tasks.Task DeleteOrderAsync (string orderId)
         {
             // verify the required parameter 'orderId' is set
             if (orderId == null) throw new ApiException(400, "Missing required parameter 'orderId' when calling DeleteOrder");
diff --git a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/UserApi.cs b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/UserApi.cs
index 227ebd3a4b5..b69bd7be58b 100644
--- a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/UserApi.cs
+++ b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/UserApi.cs
@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Collections.Generic;
-using System.Threading.Tasks;
 using RestSharp;
 using IO.Swagger.Client;
 using IO.Swagger.Model;
@@ -24,7 +23,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">Created user object</param>
         /// <returns></returns>
-        Task CreateUserAsync (User body);
+        System.Threading.Tasks.Task CreateUserAsync (User body);
         
         /// <summary>
         /// Creates list of users with given input array 
@@ -38,7 +37,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">List of user object</param>
         /// <returns></returns>
-        Task CreateUsersWithArrayInputAsync (List<User> body);
+        System.Threading.Tasks.Task CreateUsersWithArrayInputAsync (List<User> body);
         
         /// <summary>
         /// Creates list of users with given input array 
@@ -52,7 +51,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">List of user object</param>
         /// <returns></returns>
-        Task CreateUsersWithListInputAsync (List<User> body);
+        System.Threading.Tasks.Task CreateUsersWithListInputAsync (List<User> body);
         
         /// <summary>
         /// Logs user into the system 
@@ -68,7 +67,7 @@ namespace IO.Swagger.Api
         /// <param name="username">The user name for login</param>
         /// <param name="password">The password for login in clear text</param>
         /// <returns>string</returns>
-        Task<string> LoginUserAsync (string username, string password);
+        System.Threading.Tasks.Task<string> LoginUserAsync (string username, string password);
         
         /// <summary>
         /// Logs out current logged in user session 
@@ -80,7 +79,7 @@ namespace IO.Swagger.Api
         /// Logs out current logged in user session 
         /// </summary>
         /// <returns></returns>
-        Task LogoutUserAsync ();
+        System.Threading.Tasks.Task LogoutUserAsync ();
         
         /// <summary>
         /// Get user by user name 
@@ -94,7 +93,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="username">The name that needs to be fetched. Use user1 for testing. </param>
         /// <returns>User</returns>
-        Task<User> GetUserByNameAsync (string username);
+        System.Threading.Tasks.Task<User> GetUserByNameAsync (string username);
         
         /// <summary>
         /// Updated user This can only be done by the logged in user.
@@ -110,7 +109,7 @@ namespace IO.Swagger.Api
         /// <param name="username">name that need to be deleted</param>
         /// <param name="body">Updated user object</param>
         /// <returns></returns>
-        Task UpdateUserAsync (string username, User body);
+        System.Threading.Tasks.Task UpdateUserAsync (string username, User body);
         
         /// <summary>
         /// Delete user This can only be done by the logged in user.
@@ -124,7 +123,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="username">The name that needs to be deleted</param>
         /// <returns></returns>
-        Task DeleteUserAsync (string username);
+        System.Threading.Tasks.Task DeleteUserAsync (string username);
         
     }
   
@@ -226,7 +225,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">Created user object</param>
         /// <returns></returns>
-        public async Task CreateUserAsync (User body)
+        public async System.Threading.Tasks.Task CreateUserAsync (User body)
         {
             
     
@@ -302,7 +301,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">List of user object</param>
         /// <returns></returns>
-        public async Task CreateUsersWithArrayInputAsync (List<User> body)
+        public async System.Threading.Tasks.Task CreateUsersWithArrayInputAsync (List<User> body)
         {
             
     
@@ -378,7 +377,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="body">List of user object</param>
         /// <returns></returns>
-        public async Task CreateUsersWithListInputAsync (List<User> body)
+        public async System.Threading.Tasks.Task CreateUsersWithListInputAsync (List<User> body)
         {
             
     
@@ -457,7 +456,7 @@ namespace IO.Swagger.Api
         /// <param name="username">The user name for login</param>
         /// <param name="password">The password for login in clear text</param>
         /// <returns>string</returns>
-        public async Task<string> LoginUserAsync (string username, string password)
+        public async System.Threading.Tasks.Task<string> LoginUserAsync (string username, string password)
         {
             
     
@@ -530,7 +529,7 @@ namespace IO.Swagger.Api
         /// Logs out current logged in user session 
         /// </summary>
         /// <returns></returns>
-        public async Task LogoutUserAsync ()
+        public async System.Threading.Tasks.Task LogoutUserAsync ()
         {
             
     
@@ -608,7 +607,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="username">The name that needs to be fetched. Use user1 for testing. </param>
         /// <returns>User</returns>
-        public async Task<User> GetUserByNameAsync (string username)
+        public async System.Threading.Tasks.Task<User> GetUserByNameAsync (string username)
         {
             // verify the required parameter 'username' is set
             if (username == null) throw new ApiException(400, "Missing required parameter 'username' when calling GetUserByName");
@@ -691,7 +690,7 @@ namespace IO.Swagger.Api
         /// <param name="username">name that need to be deleted</param>
         /// <param name="body">Updated user object</param>
         /// <returns></returns>
-        public async Task UpdateUserAsync (string username, User body)
+        public async System.Threading.Tasks.Task UpdateUserAsync (string username, User body)
         {
             // verify the required parameter 'username' is set
             if (username == null) throw new ApiException(400, "Missing required parameter 'username' when calling UpdateUser");
@@ -773,7 +772,7 @@ namespace IO.Swagger.Api
         /// </summary>
         /// <param name="username">The name that needs to be deleted</param>
         /// <returns></returns>
-        public async Task DeleteUserAsync (string username)
+        public async System.Threading.Tasks.Task DeleteUserAsync (string username)
         {
             // verify the required parameter 'username' is set
             if (username == null) throw new ApiException(400, "Missing required parameter 'username' when calling DeleteUser");
diff --git a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Client/ApiClient.cs b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Client/ApiClient.cs
index a33675bb5c9..117cd598008 100644
--- a/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Client/ApiClient.cs
+++ b/samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/src/main/csharp/IO/Swagger/Client/ApiClient.cs
@@ -7,7 +7,6 @@ using System.Web;
 using System.Linq;
 using System.Net;
 using System.Text;
-using System.Threading.Tasks;
 using Newtonsoft.Json;
 using RestSharp;
 using RestSharp.Extensions;
@@ -111,7 +110,7 @@ namespace IO.Swagger.Client
         /// <param name="fileParams">File parameters.</param>
         /// <param name="authSettings">Authentication settings.</param>
         /// <returns>The Task instance.</returns>
-        public async Task<Object> CallApiAsync(String path, RestSharp.Method method, Dictionary<String, String> queryParams, String postBody,
+        public async System.Threading.Tasks.Task<Object> CallApiAsync(String path, RestSharp.Method method, Dictionary<String, String> queryParams, String postBody,
             Dictionary<String, String> headerParams, Dictionary<String, String> formParams, Dictionary<String, FileParameter> fileParams, String[] authSettings)
         {
     
diff --git a/samples/client/petstore/csharp/SwaggerClientTest/bin/Debug/SwaggerClientTest.dll.mdb b/samples/client/petstore/csharp/SwaggerClientTest/bin/Debug/SwaggerClientTest.dll.mdb
index 3ca8f9fa3f2..0e1d0d209c3 100644
Binary files a/samples/client/petstore/csharp/SwaggerClientTest/bin/Debug/SwaggerClientTest.dll.mdb and b/samples/client/petstore/csharp/SwaggerClientTest/bin/Debug/SwaggerClientTest.dll.mdb differ
diff --git a/samples/client/petstore/csharp/SwaggerClientTest/obj/Debug/SwaggerClientTest.dll.mdb b/samples/client/petstore/csharp/SwaggerClientTest/obj/Debug/SwaggerClientTest.dll.mdb
index 3ca8f9fa3f2..0e1d0d209c3 100644
Binary files a/samples/client/petstore/csharp/SwaggerClientTest/obj/Debug/SwaggerClientTest.dll.mdb and b/samples/client/petstore/csharp/SwaggerClientTest/obj/Debug/SwaggerClientTest.dll.mdb differ