diff --git a/components/script/body.rs b/components/script/body.rs
index 7777ef62a4e..f607841c982 100644
--- a/components/script/body.rs
+++ b/components/script/body.rs
@@ -25,7 +25,6 @@ use style::refcell::Ref;
 use url::form_urlencoded;
 
 pub enum BodyType {
-    ArrayBuffer,
     Blob,
     FormData,
     Json,
@@ -92,7 +91,6 @@ fn run_package_data_algorithm<T: BodyOperations + Reflectable>(object: &T,
         BodyType::Json => run_json_data_algorithm(cx, bytes),
         BodyType::Blob => run_blob_data_algorithm(object.global().r(), bytes, mime),
         BodyType::FormData => run_form_data_algorithm(object.global().r(), bytes, mime),
-        _ => Err(Error::Type("Unable to process body type".to_string()))
     }
 }
 
diff --git a/components/script/fetch.rs b/components/script/fetch.rs
index 0fc0fef1f89..d60d174daad 100644
--- a/components/script/fetch.rs
+++ b/components/script/fetch.rs
@@ -153,12 +153,12 @@ impl FetchResponseListener for FetchContext {
         self.fetch_promise = Some(TrustedPromise::new(promise));
     }
 
-    fn process_response_chunk(&mut self, mut chunk: Vec<u8>) {
+    fn process_response_chunk(&mut self, _chunk: Vec<u8>) {
         // TODO when body is implemented
         // ... this will append the chunk to Response's body.
     }
 
-    fn process_response_eof(&mut self, response: Result<(), NetworkError>) {
+    fn process_response_eof(&mut self, _response: Result<(), NetworkError>) {
         // TODO
         // ... trailerObject is not supported in Servo yet.
     }