diff --git a/drivers/ahcid/src/main.rs b/drivers/ahcid/src/main.rs
index 880177b65..fba2503d8 100644
--- a/drivers/ahcid/src/main.rs
+++ b/drivers/ahcid/src/main.rs
@@ -1,5 +1,4 @@
 #![feature(asm)]
-#![feature(question_mark)]
 
 #[macro_use]
 extern crate bitflags;
diff --git a/drivers/e1000d/src/main.rs b/drivers/e1000d/src/main.rs
index 3b097dfa9..00b31db24 100644
--- a/drivers/e1000d/src/main.rs
+++ b/drivers/e1000d/src/main.rs
@@ -1,5 +1,4 @@
 #![feature(asm)]
-#![feature(question_mark)]
 
 extern crate dma;
 extern crate event;