diff --git a/src/lib.rs b/src/lib.rs
index 7674eec..c8e8e50 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,4 @@
 #![feature(core,
-           std_misc,
            collections)]
 
 //! **petgraph** is a graph data structure library.