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-rw-r--r--compiler/rustc_data_structures/src/sync.rs3
-rw-r--r--src/doc/rustc-dev-guide/src/parallel-rustc.md1
2 files changed, 1 insertions, 3 deletions
diff --git a/compiler/rustc_data_structures/src/sync.rs b/compiler/rustc_data_structures/src/sync.rs
index 6ea7360bced..37f2e1f096e 100644
--- a/compiler/rustc_data_structures/src/sync.rs
+++ b/compiler/rustc_data_structures/src/sync.rs
@@ -18,7 +18,6 @@
 //!
 //! | Type                    | Serial version      | Parallel version                |
 //! | ----------------------- | ------------------- | ------------------------------- |
-//! |` Weak<T>`               | `rc::Weak<T>`       | `sync::Weak<T>`                 |
 //! | `LRef<'a, T>` [^2]      | `&'a mut T`         | `&'a T`                         |
 //! |                         |                     |                                 |
 //! | `AtomicBool`            | `Cell<bool>`        | `atomic::AtomicBool`            |
@@ -104,11 +103,11 @@ mod mode {
 // FIXME(parallel_compiler): Get rid of these aliases across the compiler.
 
 pub use std::marker::{Send, Sync};
+pub use std::sync::OnceLock;
 // Use portable AtomicU64 for targets without native 64-bit atomics
 #[cfg(target_has_atomic = "64")]
 pub use std::sync::atomic::AtomicU64;
 pub use std::sync::atomic::{AtomicBool, AtomicU32, AtomicUsize};
-pub use std::sync::{OnceLock, Weak};
 
 pub use mode::{is_dyn_thread_safe, set_dyn_thread_safe_mode};
 pub use parking_lot::{
diff --git a/src/doc/rustc-dev-guide/src/parallel-rustc.md b/src/doc/rustc-dev-guide/src/parallel-rustc.md
index 49c52976c9c..4fb91da682b 100644
--- a/src/doc/rustc-dev-guide/src/parallel-rustc.md
+++ b/src/doc/rustc-dev-guide/src/parallel-rustc.md
@@ -46,7 +46,6 @@ are implemented differently depending on whether `parallel-compiler` is true.
 
 | data structure                   | parallel                                            | non-parallel |
 | -------------------------------- | --------------------------------------------------- | ------------ |
-| Weak                             | std::sync::Weak                                     | std::rc::Weak |
 | Atomic{Bool}/{Usize}/{U32}/{U64} | std::sync::atomic::Atomic{Bool}/{Usize}/{U32}/{U64} | (std::cell::Cell<bool/usize/u32/u64>) |
 | OnceCell                         | std::sync::OnceLock                                 | std::cell::OnceCell |
 | Lock\<T> | (parking_lot::Mutex\<T>) | (std::cell::RefCell) |