diff --git a/benches/bench.rs b/benches/bench.rs
index 3f529ec..a977156 100644
--- a/benches/bench.rs
+++ b/benches/bench.rs
@@ -1,5 +1,5 @@
 #![feature(test)]
-#![feature(iterator_step_by)]
+
 extern crate test;
 extern crate unicode_normalization;