diff --git a/schema/swagger-extensions.json b/schema/swagger-extensions.json
index e292b98f0c..dacfbe44f8 100644
--- a/schema/swagger-extensions.json
+++ b/schema/swagger-extensions.json
@@ -1107,15 +1107,7 @@
           "default": {}
         },
         "type": {
-          "oneOf": [
-            {
-              "$ref": "http://json-schema.org/draft-04/schema#/properties/type"
-            }, 
-            {
-              "type" : "string",
-              "enum" : ["file"]
-            }
-          ]
+          "$ref": "http://json-schema.org/draft-04/schema#/properties/type"
         },
         "items": {
           "anyOf": [