diff --git a/src/bin/getty.rs b/src/bin/getty.rs
index 3c84e17c96..08a6b3763b 100644
--- a/src/bin/getty.rs
+++ b/src/bin/getty.rs
@@ -1,5 +1,3 @@
-#![feature(question_mark)]
-
 extern crate syscall;
 
 use std::io::Write;
diff --git a/src/bin/login.rs b/src/bin/login.rs
index ba2e9d1d7d..db1a65eef3 100644
--- a/src/bin/login.rs
+++ b/src/bin/login.rs
@@ -1,5 +1,3 @@
-#![feature(question_mark)]
-
 extern crate termion;
 extern crate userutils;
 
diff --git a/src/bin/su.rs b/src/bin/su.rs
index 7c57000d00..0f76db9e42 100644
--- a/src/bin/su.rs
+++ b/src/bin/su.rs
@@ -1,5 +1,3 @@
-#![feature(question_mark)]
-
 extern crate syscall;
 extern crate termion;
 extern crate userutils;
diff --git a/src/lib.rs b/src/lib.rs
index c4dfb70201..f32df51111 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(question_mark)]
-
 extern crate octavo;
 
 use octavo::octavo_digest::Digest;