nodejs · nodejs-github-bot · May 24, 2026 · May 22, 2026 · MikeMcC399 · May 24, 2026
diff --git a/BUILDING.md b/BUILDING.md
@@ -237,23 +237,11 @@ tarball and/or browse the git repository checked out at the relevant tag.
 ### Prerequisites
 
 * [A supported version of Python][Python versions] for building and testing.
-* A Rust toolchain if [building Node.js with Temporal support](#building-nodejs-with-temporal-support)
-  is required (enabled by default starting in Node.js 26).
+* A Rust toolchain if [building Node.js with Temporal support](#building-nodejs-with-temporal-support).
 * Memory: at least 8GB of RAM is typically required when compiling with 4 parallel jobs (e.g: `make -j4`).
 
 ### Unix and macOS
 
-Consult the official [Install Rust](https://rust-lang.org/tools/install/)
-instructions to install a Rust toolchain, required for Temporal support introduced in Node.js 25.4.0.
-Individual packages such as `rust` and `cargo` in some operating system distributions may be considered
-as an alternative, for example in CI environments.
-Consult with relevant operating system documentation to ensure that packages
-meet the minimum version specified in the
-[Building Node.js with Temporal support](#building-nodejs-with-temporal-support) section,
-as packaged versions may lag behind the `stable` version installed by the official instructions.
-Avoid mixing `rustup` together with `rust` and `cargo` package installations, due to
-potential version conflicts.
-
 #### Unix prerequisites
 
 * `gcc` and `g++` >= 13.2 or `clang` and `clang++` >= 19.1
@@ -1062,14 +1050,19 @@ enable FIPS support in Node.js.
 
 Node.js supports the [Temporal](https://github.com/tc39/proposal-temporal) APIs, when
 linking statically or dynamically with a version of [temporal\_rs](https://github.com/boa-dev/temporal).
-
-Temporal support is enabled by default starting in Node.js 26. Building it
-requires a Rust toolchain:
+Building it requires a Rust toolchain:
 
 * rustc >= 1.82 (with LLVM >= 19)
 * cargo >= 1.82
 
 Refer to [Install Rust](https://rust-lang.org/tools/install/) for instructions.
+Individual packages such as `rust` and `cargo` in some operating system distributions may be considered
+as an alternative, for example in CI environments.
+Consult with relevant operating system documentation to ensure that packages
+meet the minimum version specified above,
+as packaged versions may lag behind the `stable` version installed by the official instructions.
+Avoid mixing `rustup` together with `rust` and `cargo` package installations, due to
+potential version conflicts.
 
 If `--v8-enable-temporal-support` and `--v8-disable-temporal-support` are both
 omitted, `configure.py` probes for `cargo` and `rustc`. If either is missing,