diff --git a/benches/bench.rs b/benches/bench.rs
index 9c1b1b7..7735087 100644
--- a/benches/bench.rs
+++ b/benches/bench.rs
@@ -10,9 +10,6 @@
 
 #![feature(test)]
 
-extern crate bit_set;
-extern crate bit_vec;
-extern crate rand;
 extern crate test;
 
 use bit_set::BitSet;
diff --git a/src/lib.rs b/src/lib.rs
index 4f46df8..6a17bc5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -237,9 +237,6 @@ impl BitSet<u32> {
     /// # Examples
     ///
     /// ```
-    /// extern crate bit_vec;
-    /// extern crate bit_set;
-    ///
     /// fn main() {
     ///     use bit_vec::BitVec;
     ///     use bit_set::BitSet;