diff --git a/tests/run-pass/needless_lifetimes_impl_trait.rs b/tests/run-pass/needless_lifetimes_impl_trait.rs
index 0ebc1bf3c6c1..8cf2287c0ead 100644
--- a/tests/run-pass/needless_lifetimes_impl_trait.rs
+++ b/tests/run-pass/needless_lifetimes_impl_trait.rs
@@ -1,5 +1,5 @@
 
-
+#![allow(stable_features)]
 #![feature(conservative_impl_trait)]
 #![deny(needless_lifetimes)]
 #![allow(dead_code)]