diff --git a/lib/swagger.js b/lib/swagger.js
index 9fb9fcb2..80e25b12 100644
--- a/lib/swagger.js
+++ b/lib/swagger.js
@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.3.3
+// Generated by CoffeeScript 1.4.0
 (function() {
   var SwaggerApi, SwaggerModel, SwaggerModelProperty, SwaggerOperation, SwaggerRequest, SwaggerResource,
     __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
@@ -235,9 +235,11 @@
       var model, modelName, swaggerModel, _i, _len, _ref, _results;
       if (models != null) {
         for (modelName in models) {
-          swaggerModel = new SwaggerModel(modelName, models[modelName]);
-          this.modelsArray.push(swaggerModel);
-          this.models[modelName] = swaggerModel;
+          if (!(this.models[modelName] != null)) {
+            swaggerModel = new SwaggerModel(modelName, models[modelName]);
+            this.modelsArray.push(swaggerModel);
+            this.models[modelName] = swaggerModel;
+          }
         }
         _ref = this.modelsArray;
         _results = [];
@@ -255,7 +257,7 @@
         _results = [];
         for (_i = 0, _len = ops.length; _i < _len; _i++) {
           o = ops[_i];
-          op = new SwaggerOperation(o.nickname, resource_path, o.httpMethod, o.parameters, o.summary, o.notes, o.responseClass, o.errorResponses, this, o.supportedContentTypes);
+          op = new SwaggerOperation(o.nickname, resource_path, o.httpMethod, o.parameters, o.summary, o.notes, o.responseClass, o.errorResponses, this);
           this.operations[op.nickname] = op;
           _results.push(this.operationsArray.push(op));
         }
@@ -413,7 +415,7 @@
 
   SwaggerOperation = (function() {
 
-    function SwaggerOperation(nickname, path, httpMethod, parameters, summary, notes, responseClass, errorResponses, resource, supportedContentTypes) {
+    function SwaggerOperation(nickname, path, httpMethod, parameters, summary, notes, responseClass, errorResponses, resource) {
       var parameter, v, _i, _j, _len, _len1, _ref, _ref1, _ref2,
         _this = this;
       this.nickname = nickname;
@@ -425,7 +427,6 @@
       this.responseClass = responseClass;
       this.errorResponses = errorResponses;
       this.resource = resource;
-      this.supportedContentTypes = supportedContentTypes;
       this["do"] = __bind(this["do"], this);
 
       if (this.nickname == null) {
@@ -446,7 +447,6 @@
       }
       if (this.responseClass != null) {
         this.responseClassSignature = this.getSignature(this.responseClass, this.resource.models);
-        this.responseSampleJSON = this.getSampleJSON(this.responseClass, this.resource.models);
       }
       this.errorResponses = this.errorResponses || [];
       _ref1 = this.parameters;