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-rw-r--r--src/libproc_macro/lib.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/libproc_macro/lib.rs b/src/libproc_macro/lib.rs
index 6aa5572721d..dafdacfdd72 100644
--- a/src/libproc_macro/lib.rs
+++ b/src/libproc_macro/lib.rs
@@ -24,7 +24,6 @@
 //! See [the book](../book/first-edition/procedural-macros.html) for more.
 
 #![stable(feature = "proc_macro_lib", since = "1.15.0")]
-#![deny(warnings)]
 #![deny(missing_docs)]
 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",