diff --git a/src/main.rs b/src/main.rs
index e0092f8..436dc11 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,6 @@
 
 #![deny(warnings)]
 
-#![feature(iter_arith)]
 #![feature(rustc_private)]
 #![feature(rustdoc)]
 #![feature(question_mark)]