2 files changed, 0 insertions, 9 deletions
diff --git a/compiler/rustc_data_structures/src/captures.rs b/compiler/rustc_data_structures/src/captures.rs
deleted file mode 100644
index 677ccb31454..00000000000
--- a/compiler/rustc_data_structures/src/captures.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-/// "Signaling" trait used in impl trait to tag lifetimes that you may
-/// need to capture but don't really need for other reasons.
-/// Basically a workaround; see [this comment] for details.
-///
-/// [this comment]: https://github.com/rust-lang/rust/issues/34511#issuecomment-373423999
-pub trait Captures<'a> {}
-
-impl<'a, T: ?Sized> Captures<'a> for T {}
diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs
index 66d3834d857..a3b62b46919 100644
--- a/compiler/rustc_data_structures/src/lib.rs
+++ b/compiler/rustc_data_structures/src/lib.rs
@@ -48,7 +48,6 @@ pub use rustc_index::static_assert_size;
 pub mod aligned;
 pub mod base_n;
 pub mod binary_search_util;
-pub mod captures;
 pub mod fingerprint;
 pub mod flat_map_in_place;
 pub mod flock;