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-rw-r--r--src/libsyntax/lib.rs4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs
index 32dafcdb582..a8338fccb6b 100644
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -27,10 +27,6 @@
 #![feature(rustc_diagnostic_macros)]
 #![feature(i128_type)]
 
-#![cfg_attr(stage0, unstable(feature = "rustc_private", issue = "27812"))]
-#![cfg_attr(stage0, feature(rustc_private))]
-#![cfg_attr(stage0, feature(staged_api))]
-
 extern crate serialize;
 #[macro_use] extern crate log;
 #[macro_use] extern crate bitflags;