1 files changed, 0 insertions, 1 deletions
diff --git a/src/libstd/util.rs b/src/libstd/util.rs
index c075f9b4ba8..715a10b9112 100644
--- a/src/libstd/util.rs
+++ b/src/libstd/util.rs
@@ -69,7 +69,6 @@ impl Void {
 mod tests {
     use super::*;
     use prelude::*;
-    use mem::size_of;
 
     #[test]
     fn identity_crisis() {