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-rw-r--r--src/liballoc/lib.rs2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index e42d6434725..c0f345443b9 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -62,8 +62,6 @@
 #![warn(missing_docs)]
 #![warn(missing_debug_implementations)]
 #![deny(intra_doc_link_resolution_failure)] // rustdoc is run without -D warnings
-
-#![deny(rust_2018_idioms)]
 #![allow(explicit_outlives_requirements)]
 
 #![cfg_attr(not(test), feature(generator_trait))]