diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs
index effc9a77c1d7..e7844101c5fc 100644
--- a/src/libstd/macros.rs
+++ b/src/libstd/macros.rs
@@ -9,9 +9,6 @@
 // except according to those terms.
 #[macro_escape];
 
-#[macro_export]
-macro_rules! ignore (($($x:tt)*) => (()))
-
 #[macro_export]
 macro_rules! log(
     ($lvl:expr, $($arg:tt)+) => ({