diff --git a/openssl/src/lib.rs b/openssl/src/lib.rs
index beafdd91..38314723 100644
--- a/openssl/src/lib.rs
+++ b/openssl/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(unsafe_destructor, core, io, std_misc, unique, collections)]
+#![feature(core, io, std_misc, unique, collections)]
 #![doc(html_root_url="https://sfackler.github.io/rust-openssl/doc/openssl")]
 
 #[macro_use]
diff --git a/openssl/src/x509/mod.rs b/openssl/src/x509/mod.rs
index 54f1d827..fd5b4200 100644
--- a/openssl/src/x509/mod.rs
+++ b/openssl/src/x509/mod.rs
@@ -434,7 +434,6 @@ impl<'ctx> X509<'ctx> {
     }
 }
 
-#[unsafe_destructor]
 impl<'ctx> Drop for X509<'ctx> {
     fn drop(&mut self) {
         if self.owned {