diff --git a/src/lib.rs b/src/lib.rs
index 49d9248..c7ad659 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -48,15 +48,12 @@
 //!     }
 //! }
 //! ```
-#![feature(unique)]
-#![cfg_attr(test, feature(test))]
-
 extern crate libc;
 extern crate libsqlite3_sys as ffi;
 #[macro_use] extern crate bitflags;
 
 use std::mem;
-use std::ptr::{self, Unique};
+use std::ptr;
 use std::fmt;
 use std::path::{Path};
 use std::error;
@@ -153,6 +150,8 @@ pub struct SqliteConnection {
     db: RefCell<InnerSqliteConnection>,
 }
 
+unsafe impl Send for SqliteConnection {}
+
 impl SqliteConnection {
     /// Open a new connection to a SQLite database.
     ///
@@ -419,7 +418,7 @@ impl fmt::Debug for SqliteConnection {
 }
 
 struct InnerSqliteConnection {
-    db: Unique<ffi::Struct_sqlite3>,
+    db: *mut ffi::Struct_sqlite3,
 }
 
 bitflags! {
@@ -463,12 +462,12 @@ impl InnerSqliteConnection {
                 ffi::sqlite3_close(db);
                 return Err(e);
             }
-            Ok(InnerSqliteConnection{ db: Unique::new(db) })
+            Ok(InnerSqliteConnection{ db: db })
         }
     }
 
     fn db(&self) -> *mut ffi::Struct_sqlite3 {
-        unsafe {self.db.get() as *const _ as *mut _}
+        self.db
     }
 
     fn decode_result(&mut self, code: c_int) -> SqliteResult<()> {
@@ -492,7 +491,7 @@ impl InnerSqliteConnection {
     fn close(&mut self) -> SqliteResult<()> {
         unsafe {
             let r = ffi::sqlite3_close(self.db());
-            self.db = Unique::new(ptr::null_mut());
+            self.db = ptr::null_mut();
             self.decode_result(r)
         }
     }
diff --git a/src/transaction.rs b/src/transaction.rs
index a994532..1882539 100644
--- a/src/transaction.rs
+++ b/src/transaction.rs
@@ -158,7 +158,6 @@ impl<'conn> Drop for SqliteTransaction<'conn> {
 
 #[cfg(test)]
 mod test {
-    extern crate test;
     use SqliteConnection;
 
     fn checked_memory_handle() -> SqliteConnection {
@@ -231,32 +230,4 @@ mod test {
         }
         assert_eq!(3i32, db.query_row("SELECT SUM(x) FROM foo", &[], |r| r.get(0)));
     }
-
-    #[bench]
-    fn test_no_transaction_insert(bencher: &mut test::Bencher) {
-        let db = checked_memory_handle();
-
-        let mut stmt = db.prepare("INSERT INTO foo VALUES(1)").unwrap();
-
-        bencher.iter(|| {
-            for _ in 0i32 .. 1000 {
-                stmt.execute(&[]).unwrap();
-            }
-        })
-    }
-
-    #[bench]
-    fn test_transaction_insert(bencher: &mut test::Bencher) {
-        let db = checked_memory_handle();
-
-        let mut stmt = db.prepare("INSERT INTO foo VALUES(1)").unwrap();
-
-        bencher.iter(|| {
-            let mut tx = db.transaction().unwrap();
-            tx.set_commit();
-            for _ in 0i32 .. 1000 {
-                stmt.execute(&[]).unwrap();
-            }
-        })
-    }
 }