1 files changed, 0 insertions, 1 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index fc201a6fe62..dab270e3582 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -135,7 +135,6 @@
 #![no_std]
 
 #![allow(trivial_casts)]
-#![allow(trivial_numeric_casts)]
 #![deny(missing_docs)]
 
 #[cfg(test)] extern crate test;