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-rw-r--r--src/libstd/lib.rs4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 3227aa9acff..672723341eb 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -227,10 +227,6 @@
 // Tell the compiler to link to either panic_abort or panic_unwind
 #![needs_panic_runtime]
 
-// Turn warnings into errors, but only after stage0, where it can be useful for
-// code to emit warnings during language transitions
-#![cfg_attr(not(stage0), deny(warnings))]
-
 // std may use features in a platform-specific way
 #![allow(unused_features)]