diff --git a/contrib/src/lib.rs b/contrib/src/lib.rs
index c8554271b..d0503b917 100644
--- a/contrib/src/lib.rs
+++ b/contrib/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(use_extern_macros)]
-
 // TODO: Version URLs.
 #![doc(html_root_url = "https://api.rocket.rs")]