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-rw-r--r--src/libsyntax_pos/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_pos/lib.rs b/src/libsyntax_pos/lib.rs
index 491ce720f36..61af70af47d 100644
--- a/src/libsyntax_pos/lib.rs
+++ b/src/libsyntax_pos/lib.rs
@@ -19,10 +19,10 @@
       html_root_url = "https://doc.rust-lang.org/nightly/")]
 
 #![feature(const_fn)]
+#![feature(crate_visibility_modifier)]
 #![feature(custom_attribute)]
 #![feature(non_exhaustive)]
 #![feature(optin_builtin_traits)]
-#![allow(unused_attributes)]
 #![feature(specialization)]
 #![feature(stdsimd)]