diff --git a/samples/client/petstore/csharp/src/main/csharp/io/swagger/Model/ApiResponse.cs b/samples/client/petstore/csharp/src/main/csharp/io/swagger/Model/ApiResponse.cs
deleted file mode 100644
index 7b23e25cb55..00000000000
--- a/samples/client/petstore/csharp/src/main/csharp/io/swagger/Model/ApiResponse.cs
+++ /dev/null
@@ -1,61 +0,0 @@
-using System;
-using System.Text;
-using System.Collections;
-using System.Collections.Generic;
-using System.Runtime.Serialization;
-using Newtonsoft.Json;
-
-namespace IO.Swagger.Model {
-
-  /// <summary>
-  /// 
-  /// </summary>
-  [DataContract]
-  public class ApiResponse {
-    
-    
-    [DataMember(Name="code", EmitDefaultValue=false)]
-    public int? Code { get; set; }
-
-    
-    
-    [DataMember(Name="type", EmitDefaultValue=false)]
-    public string Type { get; set; }
-
-    
-    
-    [DataMember(Name="message", EmitDefaultValue=false)]
-    public string Message { get; set; }
-
-    
-
-    /// <summary>
-    /// Get the string presentation of the object
-    /// </summary>
-    /// <returns>String presentation of the object</returns>
-    public override string ToString()  {
-      var sb = new StringBuilder();
-      sb.Append("class ApiResponse {\n");
-      
-      sb.Append("  Code: ").Append(Code).Append("\n");
-      
-      sb.Append("  Type: ").Append(Type).Append("\n");
-      
-      sb.Append("  Message: ").Append(Message).Append("\n");
-      
-      sb.Append("}\n");
-      return sb.ToString();
-    }
-
-    /// <summary>
-    /// Get the JSON string presentation of the object
-    /// </summary>
-    /// <returns>JSON string presentation of the object</returns>
-    public string ToJson() {
-      return JsonConvert.SerializeObject(this, Formatting.Indented);
-    }
-
-}
-  
-  
-}
diff --git a/samples/client/petstore/java/src/main/java/io/swagger/client/model/ApiResponse.java b/samples/client/petstore/java/src/main/java/io/swagger/client/model/ApiResponse.java
deleted file mode 100644
index 802fa4743f7..00000000000
--- a/samples/client/petstore/java/src/main/java/io/swagger/client/model/ApiResponse.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package io.swagger.client.model;
-
-
-import io.swagger.annotations.*;
-import com.fasterxml.jackson.annotation.JsonProperty;
-
-
-@ApiModel(description = "")
-public class ApiResponse  {
-  
-  private Integer code = null;
-  private String type = null;
-  private String message = null;
-
-  
-  /**
-   **/
-  @ApiModelProperty(value = "")
-  @JsonProperty("code")
-  public Integer getCode() {
-    return code;
-  }
-  public void setCode(Integer code) {
-    this.code = code;
-  }
-
-  
-  /**
-   **/
-  @ApiModelProperty(value = "")
-  @JsonProperty("type")
-  public String getType() {
-    return type;
-  }
-  public void setType(String type) {
-    this.type = type;
-  }
-
-  
-  /**
-   **/
-  @ApiModelProperty(value = "")
-  @JsonProperty("message")
-  public String getMessage() {
-    return message;
-  }
-  public void setMessage(String message) {
-    this.message = message;
-  }
-
-  
-
-  @Override
-  public String toString()  {
-    StringBuilder sb = new StringBuilder();
-    sb.append("class ApiResponse {\n");
-    
-    sb.append("  code: ").append(code).append("\n");
-    sb.append("  type: ").append(type).append("\n");
-    sb.append("  message: ").append(message).append("\n");
-    sb.append("}\n");
-    return sb.toString();
-  }
-}
diff --git a/samples/client/petstore/objc/client/SWGApiResponse.h b/samples/client/petstore/objc/client/SWGApiResponse.h
deleted file mode 100644
index 38525ad185d..00000000000
--- a/samples/client/petstore/objc/client/SWGApiResponse.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#import <Foundation/Foundation.h>
-#import "SWGObject.h"
-
-
-@protocol SWGApiResponse
-@end
-  
-@interface SWGApiResponse : SWGObject
-
-
-@property(nonatomic) NSNumber* code;
-
-@property(nonatomic) NSString* type;
-
-@property(nonatomic) NSString* message;
-
-@end
diff --git a/samples/client/petstore/objc/client/SWGApiResponse.m b/samples/client/petstore/objc/client/SWGApiResponse.m
deleted file mode 100644
index 08d8f7dae18..00000000000
--- a/samples/client/petstore/objc/client/SWGApiResponse.m
+++ /dev/null
@@ -1,22 +0,0 @@
-#import "SWGApiResponse.h"
-
-@implementation SWGApiResponse
-  
-+ (JSONKeyMapper *)keyMapper
-{
-  return [[JSONKeyMapper alloc] initWithDictionary:@{ @"code": @"code", @"type": @"type", @"message": @"message" }];
-}
-
-+ (BOOL)propertyIsOptional:(NSString *)propertyName
-{
-  NSArray *optionalProperties = @[@"code", @"type", @"message"];
-
-  if ([optionalProperties containsObject:propertyName]) {
-    return YES;
-  }
-  else {
-    return NO;
-  }
-}
-
-@end