move Stability to rustc_feature

2 files changed, 2 insertions, 10 deletions

diff --git a/src/libsyntax/feature_gate/builtin_attrs.rs b/src/libsyntax/feature_gate/builtin_attrs.rs
index e6f61e8fcbe..70f923c2783 100644
--- a/src/libsyntax/feature_gate/builtin_attrs.rs
+++ b/src/libsyntax/feature_gate/builtin_attrs.rs
@@ -4,8 +4,8 @@ use AttributeType::*;
 use AttributeGate::*;
 
 use super::check::{emit_feature_err, GateIssue};
-use super::check::{Stability, EXPLAIN_ALLOW_INTERNAL_UNSAFE, EXPLAIN_ALLOW_INTERNAL_UNSTABLE};
-use rustc_feature::Features;
+use super::check::{EXPLAIN_ALLOW_INTERNAL_UNSAFE, EXPLAIN_ALLOW_INTERNAL_UNSTABLE};
+use rustc_feature::{Features, Stability};
 
 use crate::ast;
 use crate::attr::AttributeTemplate;
diff --git a/src/libsyntax/feature_gate/check.rs b/src/libsyntax/feature_gate/check.rs
index 7d959756f23..19e615f40fa 100644
--- a/src/libsyntax/feature_gate/check.rs
+++ b/src/libsyntax/feature_gate/check.rs
@@ -22,14 +22,6 @@ use rustc_error_codes::*;
 use std::env;
 use std::num::NonZeroU32;
 
-#[derive(Copy, Clone, Debug)]
-pub enum Stability {
-    Unstable,
-    // First argument is tracking issue link; second argument is an optional
-    // help message, which defaults to "remove this attribute"
-    Deprecated(&'static str, Option<&'static str>),
-}
-
 macro_rules! gate_feature_fn {
     ($cx: expr, $has_feature: expr, $span: expr, $name: expr, $explain: expr, $level: expr) => {{
         let (cx, has_feature, span,