3 files changed, 7 insertions, 0 deletions
diff --git a/compiler/rustc_serialize/src/lib.rs b/compiler/rustc_serialize/src/lib.rs
index 13c1a273eb8..8672278d0f1 100644
--- a/compiler/rustc_serialize/src/lib.rs
+++ b/compiler/rustc_serialize/src/lib.rs
@@ -3,6 +3,8 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
 #![allow(rustc::internal)]
+// FIXME
+#![allow(unused_crate_dependencies)]
 #![cfg_attr(test, feature(test))]
 #![doc(
     html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
diff --git a/compiler/rustc_serialize/tests/leb128.rs b/compiler/rustc_serialize/tests/leb128.rs
index aef55d15e60..11402cbbf3b 100644
--- a/compiler/rustc_serialize/tests/leb128.rs
+++ b/compiler/rustc_serialize/tests/leb128.rs
@@ -1,3 +1,6 @@
+// FIXME
+#![allow(unused_crate_dependencies)]
+
 use rustc_serialize::Decoder;
 use rustc_serialize::leb128::*;
 use rustc_serialize::opaque::{MAGIC_END_BYTES, MemDecoder};
diff --git a/compiler/rustc_serialize/tests/opaque.rs b/compiler/rustc_serialize/tests/opaque.rs
index 5aeedbdcd4e..418c8ede50b 100644
--- a/compiler/rustc_serialize/tests/opaque.rs
+++ b/compiler/rustc_serialize/tests/opaque.rs
@@ -1,4 +1,6 @@
 #![allow(rustc::internal)]
+// FIXME
+#![allow(unused_crate_dependencies)]
 
 use std::fmt::Debug;
 use std::fs;