diff --git a/src/libcore/time.rs b/src/libcore/time.rs
index 64cb13c7eae7..db5d94808781 100644
--- a/src/libcore/time.rs
+++ b/src/libcore/time.rs
@@ -616,7 +616,6 @@ impl DivAssign<u32> for Duration {
     }
 }
 
-
 macro_rules! sum_durations {
     ($iter:expr) => {{
         let mut total_secs: u64 = 0;