diff --git a/types/twilio/index.d.ts b/types/twilio/index.d.ts
index f4684bfa99..f57b01c5ea 100644
--- a/types/twilio/index.d.ts
+++ b/types/twilio/index.d.ts
@@ -1,6 +1,8 @@
-// Type definitions for twilio
+// Type definitions for twilio 2.11
 // Project: https://github.com/twilio/twilio-node
-// Definitions by: nickiannone <https://github.com/nickiannone>, Ashley Brener <https://github.com/ashleybrener>
+// Definitions by: nickiannone <https://github.com/nickiannone>
+//                 Ashley Brener <https://github.com/ashleybrener>
+//                 Anthony Messerschmidt <https://github.com/CatGuardian>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -51,7 +53,7 @@ declare namespace twilio {
     toPayload(): GrantPayload;
   }
 
-  export interface RequestCallback { (err: any, data: any, response: Http.IncomingMessage): void; }
+  export interface RequestCallback { (err: any, data: any): void; }
 
   export interface RestMethod {
     (callback: RequestCallback): Q.Promise<any>;
diff --git a/types/twilio/twilio-tests.ts b/types/twilio/twilio-tests.ts
index 2e7682d3b2..90a560ff0f 100644
--- a/types/twilio/twilio-tests.ts
+++ b/types/twilio/twilio-tests.ts
@@ -64,7 +64,7 @@ client.sms.messages.post({
 
 // Delete a TwiML application
 // DELETE /2010-04-01/Accounts/ACCOUNT_SID/Applications/APP...
-client.applications('APP...').delete(function(err, response, nodeResponse) {
+client.applications('APP...').delete(function(err, response) {
     //DELETE requests do not return data - if there was no error, it worked.
     err ? console.log('There was an error') : console.log('it worked!');
 });