1 files changed, 0 insertions, 2 deletions
diff --git a/src/lib.rs b/src/lib.rs
index a0bec32..ca35d85 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,8 +13,6 @@
 //! about message priorization.
 //! Also check out the examples to learn how to use this crate.
 
-#![feature(map_first_last)]
-
 pub mod error;
 pub mod util;