diff --git a/src/lib.rs b/src/lib.rs
index af1b1be5b1756077388633a598bbeeb58b9ddf8e..58f3d2f07f3d91cf4e8d8cafd107fc802690acb6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(unsafe_destructor, core, io, std_misc, libc, hash, path, collections)]
+#![feature(unsafe_destructor, core, io, std_misc, libc, hash, path)]
 #![crate_name="openssl"]
 #![crate_type="rlib"]
 #![crate_type="dylib"]