diff --git a/examples/intrinsics.rs b/examples/intrinsics.rs
index 19bb569b..54b703df 100644
--- a/examples/intrinsics.rs
+++ b/examples/intrinsics.rs
@@ -5,6 +5,7 @@
 
 #![allow(unused_features)]
 #![allow(stable_features)] // bench_black_box feature is stable, leaving for backcompat
+#![allow(internal_features)]
 #![cfg_attr(thumb, no_main)]
 #![deny(dead_code)]
 #![feature(bench_black_box)]
diff --git a/src/lib.rs b/src/lib.rs
index 73cb3d50..2ef28fc6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,6 +14,7 @@
 #![no_builtins]
 #![no_std]
 #![allow(unused_features)]
+#![allow(internal_features)]
 // We use `u128` in a whole bunch of places which we currently agree with the
 // compiler on ABIs and such, so we should be "good enough" for now and changes
 // to the `u128` ABI will be reflected here.