diff --git a/src/libstd/rt/io/timer.rs b/src/libstd/rt/io/timer.rs
index b0cf7dee10ab..48e0182354a9 100644
--- a/src/libstd/rt/io/timer.rs
+++ b/src/libstd/rt/io/timer.rs
@@ -111,8 +111,6 @@ mod test {
     use prelude::*;
     use super::*;
     use rt::test::*;
-    use cell::Cell;
-    use task;
 
     #[test]
     fn test_io_timer_sleep_simple() {