diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
index d0c0460ddfe..fa3a7049f4a 100644
--- a/compiler/rustc_feature/src/unstable.rs
+++ b/compiler/rustc_feature/src/unstable.rs
@@ -204,7 +204,7 @@ pub fn internal(&self, feature: Symbol) -> bool {
     /// Changes `impl Trait` to capture all lifetimes in scope.
     (unstable, lifetime_capture_rules_2024, "1.76.0", None),
     /// Allows `#[link(..., cfg(..))]`; perma-unstable per #37406
-    (unstable, link_cfg, "1.14.0", None),
+    (internal, link_cfg, "1.14.0", None),
     /// Allows using `?Trait` trait bounds in more contexts.
     (internal, more_maybe_bounds, "1.82.0", None),
     /// Allows the `multiple_supertrait_upcastable` lint.