1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/map.rs b/src/libstd/map.rs
index f2dfb3200f3..9e2770a1f02 100644
--- a/src/libstd/map.rs
+++ b/src/libstd/map.rs
@@ -1,6 +1,7 @@
 //! A map type
 
-#[warn(deprecated_mode)];
+#[forbid(deprecated_mode)];
+#[forbid(deprecated_pattern)];
 
 import io::WriterUtil;
 import to_str::ToStr;