diff --git a/src/lib.rs b/src/lib.rs
index fae71fef9e676..8edb883ccb5f9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,7 +11,6 @@
 #![warn(rust_2018_idioms)]
 #![warn(unused_lifetimes)]
 #![warn(unreachable_pub)]
-#![feature(box_patterns)]
 
 extern crate snap;
 #[macro_use]