Simplify no_std implementation (rustwasm#4347)

daxpedda · Dec 19, 2024 · 84e0d6b · 84e0d6b
1 parent 065b845
commit 84e0d6b
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Showing 23 changed files with 136 additions and 290 deletions.
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -566,7 +566,6 @@ jobs:
       run: |
         cargo update -p bumpalo --precise 3.12.0
         cargo update -p log --precise 0.4.18
-        cargo update -p scoped-tls --precise 1.0.0
     - run: cargo build --target ${{ matrix.target }} ${{ matrix.features }}
 
   msrv-lib:

diff --git a/Cargo.toml b/Cargo.toml
@@ -26,7 +26,7 @@ default = ["std", "msrv"]
 enable-interning = ["std"]
 serde-serialize = ["serde", "serde_json", "std"]
 spans = []
-std = ["wasm-bindgen-macro/std", "once_cell/std"]
+std = []
 
 # Opt-in for Rust language features that require a higher MSRV.
 #
@@ -53,9 +53,10 @@ once_cell = { version = "1.12", default-features = false }
 rustversion = { version = "1.0", optional = true }
 serde = { version = "1.0", optional = true }
 serde_json = { version = "1.0", optional = true }
-wasm-bindgen-macro = { path = "crates/macro", version = "=0.2.99", default-features = false }
+wasm-bindgen-macro = { path = "crates/macro", version = "=0.2.99" }
 
 [dev-dependencies]
+once_cell = "1"
 wasm-bindgen-test = { path = 'crates/test' }
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]

diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
@@ -14,9 +14,7 @@ rust-version = "1.57"
 version = "0.2.99"
 
 [features]
-default = ["std"]
 extra-traits = ["syn/extra-traits"]
-std = []
 
 [dependencies]
 bumpalo = "3.0.0"

diff --git a/crates/backend/src/codegen.rs b/crates/backend/src/codegen.rs
@@ -1803,24 +1803,12 @@ fn thread_local_import(
             }
         },
         ast::ThreadLocal::V2 => {
-            #[cfg(feature = "std")]
-            let inner = quote! {
-                #wasm_bindgen::__rt::std::thread_local!(static _VAL: #actual_ty = init(););
-                #wasm_bindgen::JsThreadLocal {
-                    __inner: &_VAL,
-                }
-            };
-            #[cfg(not(feature = "std"))]
-            let inner = quote! {
-                #wasm_bindgen::__wbindgen_thread_local!(#wasm_bindgen, #actual_ty)
-            };
-
             quote! {
                 #vis static #name: #wasm_bindgen::JsThreadLocal<#actual_ty> = {
                     fn init() -> #actual_ty {
                         #init
                     }
-                    #inner
+                    #wasm_bindgen::__wbindgen_thread_local!(#wasm_bindgen, #actual_ty)
                 };
             }
         }

diff --git a/crates/cli/tests/reference/anyref-import-catch.wat b/crates/cli/tests/reference/anyref-import-catch.wat
@@ -6,8 +6,8 @@
   (import "./reference_test_bg.js" "__wbindgen_init_externref_table" (func (;0;) (type 0)))
   (func $__wbindgen_exn_store (;1;) (type 3) (param i32))
   (func $__externref_table_dealloc (;2;) (type 3) (param i32))
-  (func $__externref_table_alloc (;3;) (type 1) (result i32))
-  (func $"exported multivalue shim" (;4;) (type 2) (result i32 i32))
+  (func $"exported multivalue shim" (;3;) (type 2) (result i32 i32))
+  (func $__externref_table_alloc (;4;) (type 1) (result i32))
   (table (;0;) 128 externref)
   (memory (;0;) 17)
   (export "memory" (memory 0))

diff --git a/crates/cli/tests/reference/echo.wat b/crates/cli/tests/reference/echo.wat
@@ -46,53 +46,53 @@
   (func $echo_i64 (;29;) (type 11) (param i64) (result i64))
   (func $echo_f64 (;30;) (type 14) (param f64) (result f64))
   (func $__wbindgen_free (;31;) (type 6) (param i32 i32 i32))
-  (func $__externref_table_alloc (;32;) (type 1) (result i32))
-  (func $__wbg_foo_free (;33;) (type 3) (param i32 i32))
-  (func $"echo_option_u128 multivalue shim" (;34;) (type 9) (param i32 i64 i64) (result i32 i64 i64))
-  (func $"echo_option_i128 multivalue shim" (;35;) (type 9) (param i32 i64 i64) (result i32 i64 i64))
-  (func $"echo_u128 multivalue shim" (;36;) (type 12) (param i64 i64) (result i64 i64))
-  (func $"echo_i128 multivalue shim" (;37;) (type 12) (param i64 i64) (result i64 i64))
-  (func $"echo_string multivalue shim" (;38;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_u8 multivalue shim" (;39;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_i8 multivalue shim" (;40;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_u16 multivalue shim" (;41;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_i16 multivalue shim" (;42;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_u32 multivalue shim" (;43;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_i32 multivalue shim" (;44;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_u64 multivalue shim" (;45;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_i64 multivalue shim" (;46;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_u8 multivalue shim" (;47;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_i8 multivalue shim" (;48;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_u16 multivalue shim" (;49;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_i16 multivalue shim" (;50;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_u32 multivalue shim" (;51;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_i32 multivalue shim" (;52;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_u64 multivalue shim" (;53;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_uninit_i64 multivalue shim" (;54;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_string multivalue shim" (;55;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_vec_struct multivalue shim" (;56;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_u64 multivalue shim" (;57;) (type 8) (param i32 i64) (result i32 i64))
-  (func $"echo_option_i64 multivalue shim" (;58;) (type 8) (param i32 i64) (result i32 i64))
-  (func $"echo_option_f64 multivalue shim" (;59;) (type 10) (param i32 f64) (result i32 f64))
-  (func $"echo_option_string multivalue shim" (;60;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_u8 multivalue shim" (;61;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_i8 multivalue shim" (;62;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_u16 multivalue shim" (;63;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_i16 multivalue shim" (;64;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_u32 multivalue shim" (;65;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_i32 multivalue shim" (;66;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_u64 multivalue shim" (;67;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_i64 multivalue shim" (;68;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_u8 multivalue shim" (;69;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_i8 multivalue shim" (;70;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_u16 multivalue shim" (;71;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_i16 multivalue shim" (;72;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_u32 multivalue shim" (;73;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_i32 multivalue shim" (;74;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_u64 multivalue shim" (;75;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_uninit_i64 multivalue shim" (;76;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_string multivalue shim" (;77;) (type 5) (param i32 i32) (result i32 i32))
-  (func $"echo_option_vec_struct multivalue shim" (;78;) (type 5) (param i32 i32) (result i32 i32))
+  (func $__wbg_foo_free (;32;) (type 3) (param i32 i32))
+  (func $"echo_option_u128 multivalue shim" (;33;) (type 9) (param i32 i64 i64) (result i32 i64 i64))
+  (func $"echo_option_i128 multivalue shim" (;34;) (type 9) (param i32 i64 i64) (result i32 i64 i64))
+  (func $"echo_u128 multivalue shim" (;35;) (type 12) (param i64 i64) (result i64 i64))
+  (func $"echo_i128 multivalue shim" (;36;) (type 12) (param i64 i64) (result i64 i64))
+  (func $"echo_string multivalue shim" (;37;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_u8 multivalue shim" (;38;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_i8 multivalue shim" (;39;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_u16 multivalue shim" (;40;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_i16 multivalue shim" (;41;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_u32 multivalue shim" (;42;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_i32 multivalue shim" (;43;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_u64 multivalue shim" (;44;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_i64 multivalue shim" (;45;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_u8 multivalue shim" (;46;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_i8 multivalue shim" (;47;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_u16 multivalue shim" (;48;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_i16 multivalue shim" (;49;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_u32 multivalue shim" (;50;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_i32 multivalue shim" (;51;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_u64 multivalue shim" (;52;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_uninit_i64 multivalue shim" (;53;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_string multivalue shim" (;54;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_vec_struct multivalue shim" (;55;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_u64 multivalue shim" (;56;) (type 8) (param i32 i64) (result i32 i64))
+  (func $"echo_option_i64 multivalue shim" (;57;) (type 8) (param i32 i64) (result i32 i64))
+  (func $"echo_option_f64 multivalue shim" (;58;) (type 10) (param i32 f64) (result i32 f64))
+  (func $"echo_option_string multivalue shim" (;59;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_u8 multivalue shim" (;60;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_i8 multivalue shim" (;61;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_u16 multivalue shim" (;62;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_i16 multivalue shim" (;63;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_u32 multivalue shim" (;64;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_i32 multivalue shim" (;65;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_u64 multivalue shim" (;66;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_i64 multivalue shim" (;67;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_u8 multivalue shim" (;68;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_i8 multivalue shim" (;69;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_u16 multivalue shim" (;70;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_i16 multivalue shim" (;71;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_u32 multivalue shim" (;72;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_i32 multivalue shim" (;73;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_u64 multivalue shim" (;74;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_uninit_i64 multivalue shim" (;75;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_string multivalue shim" (;76;) (type 5) (param i32 i32) (result i32 i32))
+  (func $"echo_option_vec_struct multivalue shim" (;77;) (type 5) (param i32 i32) (result i32 i32))
+  (func $__externref_table_alloc (;78;) (type 1) (result i32))
   (table (;0;) 128 externref)
   (memory (;0;) 17)
   (export "memory" (memory 0))

diff --git a/crates/cli/tests/reference/import.wat b/crates/cli/tests/reference/import.wat
@@ -6,8 +6,8 @@
   (import "./reference_test_bg.js" "__wbindgen_init_externref_table" (func (;0;) (type 0)))
   (func $__wbindgen_exn_store (;1;) (type 3) (param i32))
   (func $__externref_table_dealloc (;2;) (type 3) (param i32))
-  (func $__externref_table_alloc (;3;) (type 1) (result i32))
-  (func $"exported multivalue shim" (;4;) (type 2) (result i32 i32))
+  (func $"exported multivalue shim" (;3;) (type 2) (result i32 i32))
+  (func $__externref_table_alloc (;4;) (type 1) (result i32))
   (table (;0;) 128 externref)
   (memory (;0;) 17)
   (export "memory" (memory 0))

diff --git a/crates/cli/tests/reference/static.wat b/crates/cli/tests/reference/static.wat
@@ -2,8 +2,8 @@
   (type (;0;) (func))
   (type (;1;) (func (result i32)))
   (import "./reference_test_bg.js" "__wbindgen_init_externref_table" (func (;0;) (type 0)))
-  (func $__externref_table_alloc (;1;) (type 1) (result i32))
-  (func $exported (;2;) (type 0))
+  (func $exported (;1;) (type 0))
+  (func $__externref_table_alloc (;2;) (type 1) (result i32))
   (table (;0;) 128 externref)
   (memory (;0;) 17)
   (export "memory" (memory 0))

diff --git a/crates/futures/Cargo.toml b/crates/futures/Cargo.toml
@@ -26,7 +26,7 @@ wasm-bindgen = { path = "../..", version = '=0.2.99', default-features = false }
 [features]
 default = ["std"]
 futures-core-03-stream = ['futures-core']
-std = ["wasm-bindgen/std", "js-sys/std", "web-sys/std", "once_cell/std"]
+std = ["wasm-bindgen/std", "js-sys/std", "web-sys/std"]
 
 [target.'cfg(target_feature = "atomics")'.dependencies]
 web-sys = { path = "../web-sys", version = "=0.3.76", default-features = false, features = [

diff --git a/crates/futures/src/lib.rs b/crates/futures/src/lib.rs
@@ -31,10 +31,9 @@
 //! asynchronous and I/O work.
 
 #![cfg_attr(not(feature = "std"), no_std)]
-#![cfg_attr(target_feature = "atomics", feature(stdarch_wasm_atomic_wait))]
 #![cfg_attr(
-    all(not(feature = "std"), target_feature = "atomics"),
-    feature(thread_local)
+    target_feature = "atomics",
+    feature(thread_local, stdarch_wasm_atomic_wait)
 )]
 #![deny(missing_docs)]
 #![cfg_attr(docsrs, feature(doc_cfg))]

diff --git a/crates/futures/src/queue.rs b/crates/futures/src/queue.rs
@@ -107,16 +107,6 @@ impl Queue {
         }
     }
 
-    #[cfg(feature = "std")]
-    pub(crate) fn with<R>(f: impl FnOnce(&Self) -> R) -> R {
-        thread_local! {
-            static QUEUE: Queue = Queue::new();
-        }
-
-        QUEUE.with(f)
-    }
-
-    #[cfg(not(feature = "std"))]
     pub(crate) fn with<R>(f: impl FnOnce(&Self) -> R) -> R {
         use once_cell::unsync::Lazy;
 

diff --git a/crates/futures/src/task/wait_async_polyfill.rs b/crates/futures/src/task/wait_async_polyfill.rs
@@ -46,44 +46,22 @@ use js_sys::{Array, Promise};
 use wasm_bindgen::prelude::*;
 use web_sys::{MessageEvent, Worker};
 
-struct Helpers;
-
-impl Helpers {
-    #[cfg(feature = "std")]
-    pub(crate) fn with<R>(f: impl FnOnce(&RefCell<Vec<Worker>>) -> R) -> R {
-        thread_local! {
-            static HELPERS: RefCell<Vec<Worker>> = RefCell::new(vec![]);
-        }
-
-        HELPERS.with(f)
-    }
-
-    #[cfg(not(feature = "std"))]
-    pub(crate) fn with<R>(f: impl FnOnce(&RefCell<Vec<Worker>>) -> R) -> R {
-        #[thread_local]
-        static HELPERS: RefCell<Vec<Worker>> = RefCell::new(vec![]);
-
-        f(&HELPERS)
-    }
-}
+#[thread_local]
+static HELPERS: RefCell<Vec<Worker>> = RefCell::new(vec![]);
 
 fn alloc_helper() -> Worker {
-    Helpers::with(|helpers| {
-        if let Some(helper) = helpers.borrow_mut().pop() {
-            return helper;
-        }
+    if let Some(helper) = HELPERS.borrow_mut().pop() {
+        return helper;
+    }
 
-        let worker_url = wasm_bindgen::link_to!(module = "/src/task/worker.js");
-        Worker::new(&worker_url).unwrap_or_else(|js| wasm_bindgen::throw_val(js))
-    })
+    let worker_url = wasm_bindgen::link_to!(module = "/src/task/worker.js");
+    Worker::new(&worker_url).unwrap_or_else(|js| wasm_bindgen::throw_val(js))
 }
 
 fn free_helper(helper: Worker) {
-    Helpers::with(move |helpers| {
-        let mut helpers = helpers.borrow_mut();
-        helpers.push(helper.clone());
-        helpers.truncate(10); // random arbitrary limit chosen here
-    });
+    let mut helpers = HELPERS.borrow_mut();
+    helpers.push(helper.clone());
+    helpers.truncate(10); // random arbitrary limit chosen here
 }
 
 pub fn wait_async(ptr: &AtomicI32, value: i32) -> Promise {

diff --git a/crates/js-sys/src/lib.rs b/crates/js-sys/src/lib.rs
@@ -18,10 +18,7 @@
 
 #![doc(html_root_url = "https://docs.rs/js-sys/0.2")]
 #![cfg_attr(not(feature = "std"), no_std)]
-#![cfg_attr(
-    all(not(feature = "std"), target_feature = "atomics"),
-    feature(thread_local)
-)]
+#![cfg_attr(target_feature = "atomics", feature(thread_local))]
 
 extern crate alloc;
 
@@ -6031,28 +6028,20 @@ extern "C" {
 /// This allows access to the global properties and global names by accessing
 /// the `Object` returned.
 pub fn global() -> Object {
-    #[cfg(feature = "std")]
-    {
-        thread_local!(static GLOBAL: Object = get_global_object());
-        return GLOBAL.with(|g| g.clone());
-    }
-    #[cfg(not(feature = "std"))]
-    {
-        use once_cell::unsync::Lazy;
+    use once_cell::unsync::Lazy;
 
-        struct Wrapper<T>(Lazy<T>);
+    struct Wrapper<T>(Lazy<T>);
 
-        #[cfg(not(target_feature = "atomics"))]
-        unsafe impl<T> Sync for Wrapper<T> {}
+    #[cfg(not(target_feature = "atomics"))]
+    unsafe impl<T> Sync for Wrapper<T> {}
 
-        #[cfg(not(target_feature = "atomics"))]
-        unsafe impl<T> Send for Wrapper<T> {}
+    #[cfg(not(target_feature = "atomics"))]
+    unsafe impl<T> Send for Wrapper<T> {}
 
-        #[cfg_attr(target_feature = "atomics", thread_local)]
-        static GLOBAL: Wrapper<Object> = Wrapper(Lazy::new(get_global_object));
+    #[cfg_attr(target_feature = "atomics", thread_local)]
+    static GLOBAL: Wrapper<Object> = Wrapper(Lazy::new(get_global_object));
 
-        return GLOBAL.0.clone();
-    }
+    return GLOBAL.0.clone();
 
     fn get_global_object() -> Object {
         // Accessing the global object is not an easy thing to do, and what we

diff --git a/crates/macro-support/Cargo.toml b/crates/macro-support/Cargo.toml
@@ -14,16 +14,14 @@ rust-version = "1.57"
 version = "0.2.99"
 
 [features]
-default = ["std"]
 extra-traits = ["syn/extra-traits"]
-std = ["wasm-bindgen-backend/std"]
 strict-macro = []
 
 [dependencies]
 proc-macro2 = "1.0"
 quote = '1.0'
 syn = { version = '2.0', features = ['visit', 'visit-mut', 'full'] }
-wasm-bindgen-backend = { path = "../backend", version = "=0.2.99", default-features = false }
+wasm-bindgen-backend = { path = "../backend", version = "=0.2.99" }
 wasm-bindgen-shared = { path = "../shared", version = "=0.2.99" }
 
 [lints]

diff --git a/crates/macro/Cargo.toml b/crates/macro/Cargo.toml
@@ -17,14 +17,12 @@ version = "0.2.99"
 proc-macro = true
 
 [features]
-default = ["std"]
-std = ["wasm-bindgen-macro-support/std"]
 strict-macro = ["wasm-bindgen-macro-support/strict-macro"]
 xxx_debug_only_print_generated_code = []
 
 [dependencies]
 quote = "1.0"
-wasm-bindgen-macro-support = { path = "../macro-support", version = "=0.2.99", default-features = false }
+wasm-bindgen-macro-support = { path = "../macro-support", version = "=0.2.99" }
 
 [dev-dependencies]
 js-sys = { path = "../js-sys" }

diff --git a/crates/msrv/lib/Cargo.toml b/crates/msrv/lib/Cargo.toml
@@ -31,4 +31,3 @@ web-sys = { path = "../../web-sys", default-features = false }
 # Pinned sub-dependencies for MSRV
 bumpalo = "=3.12.0"
 log = "=0.4.18"
-scoped-tls = { version = "=1.0.0", optional = false }
diff --git a/crates/test/Cargo.toml b/crates/test/Cargo.toml
@@ -11,12 +11,11 @@ version = "0.3.49"
 
 [features]
 default = ["std"]
-std = ["wasm-bindgen/std", "js-sys/std", "wasm-bindgen-futures/std", "scoped-tls"]
+std = ["wasm-bindgen/std", "js-sys/std", "wasm-bindgen-futures/std"]
 
 [dependencies]
 gg-alloc = { version = "1.0", optional = true }
 js-sys = { path = '../js-sys', version = '=0.3.76', default-features = false }
-scoped-tls = { version = "1.0", optional = true }
 wasm-bindgen = { path = '../..', version = '=0.2.99', default-features = false }
 wasm-bindgen-futures = { path = '../futures', version = '=0.4.49', default-features = false }
 wasm-bindgen-test-macro = { path = '../test-macro', version = '=0.3.49' }