3 files changed, 5 insertions, 0 deletions
diff --git a/src/libserialize/lib.rs b/src/libserialize/lib.rs
index 67a48ca4af9..e45d56c320c 100644
--- a/src/libserialize/lib.rs
+++ b/src/libserialize/lib.rs
@@ -15,6 +15,7 @@ Core encoding and decoding interfaces.
 #![feature(nll)]
 #![feature(associated_type_bounds)]
 #![cfg_attr(test, feature(test))]
+#![allow(rustc::internal)]
 
 pub use self::serialize::{Decoder, Encoder, Decodable, Encodable};
 
diff --git a/src/libserialize/tests/json.rs b/src/libserialize/tests/json.rs
index 3fb6bda679b..898168252e5 100644
--- a/src/libserialize/tests/json.rs
+++ b/src/libserialize/tests/json.rs
@@ -1,3 +1,5 @@
+#![allow(rustc::internal)]
+
 extern crate serialize as rustc_serialize;
 
 use rustc_serialize::{Encodable, Decodable};
diff --git a/src/libserialize/tests/opaque.rs b/src/libserialize/tests/opaque.rs
index fff6fc69e78..592bc090399 100644
--- a/src/libserialize/tests/opaque.rs
+++ b/src/libserialize/tests/opaque.rs
@@ -1,3 +1,5 @@
+#![allow(rustc::internal)]
+
 extern crate serialize as rustc_serialize;
 
 use rustc_serialize::{Encodable, Decodable};