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-rw-r--r--src/libsyntax/feature_gate/active.rs6
1 files changed, 0 insertions, 6 deletions
diff --git a/src/libsyntax/feature_gate/active.rs b/src/libsyntax/feature_gate/active.rs
index c947b09fdcb..86979bdb1fb 100644
--- a/src/libsyntax/feature_gate/active.rs
+++ b/src/libsyntax/feature_gate/active.rs
@@ -120,12 +120,6 @@ declare_features! (
     /// macros disappear).
     (active, allow_internal_unsafe, "1.0.0", None, None),
 
-    /// Allows using the macros:
-    /// + `__diagnostic_used`
-    /// + `__register_diagnostic`
-    /// +`__build_diagnostic_array`
-    (active, rustc_diagnostic_macros, "1.0.0", None, None),
-
     /// Allows using `#[rustc_const_unstable(feature = "foo", ..)]` which
     /// lets a function to be `const` when opted into with `#![feature(foo)]`.
     (active, rustc_const_unstable, "1.0.0", None, None),