diff --git a/.github/actions/rustup/action.yml b/.github/actions/rustup/action.yml
index 1002d47018..55e711a94c 100644
--- a/.github/actions/rustup/action.yml
+++ b/.github/actions/rustup/action.yml
@@ -68,7 +68,6 @@ runs:
           -c rust-std \
           -c clippy \
           -c rustfmt
-        rustup target add --toolchain "$toolchain" wasm32-unknown-unknown
     - name: Save rustup cache
       uses: lynx-infra/cache/save@5c6160a6a4c7fca80a2f3057bb9dfc9513fcb732
       if: ${{ inputs.save-if == 'true' && steps.restore.outputs.cache-hit != 'true' }}
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 7075ca38ed..215bcded6d 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -31,7 +31,6 @@ jobs:
           node-version: "24"
       - uses: actions-rust-lang/setup-rust-toolchain@ac90e63697ac2784f4ecfe2964e1a285c304003a # v1
         with:
-          target: wasm32-unknown-unknown
           cache-key: test-ubuntu-copilot-setup-steps
       - name: Install wasm-bindgen
         uses: taiki-e/install-action@14083e64ac8cf1f5e54356df00b9779b23e192a1 # v2
diff --git a/.github/workflows/deploy-main.yml b/.github/workflows/deploy-main.yml
index 74991199cb..aeea5fa5ea 100644
--- a/.github/workflows/deploy-main.yml
+++ b/.github/workflows/deploy-main.yml
@@ -32,7 +32,6 @@ jobs:
           persist-credentials: false
       - uses: actions-rust-lang/setup-rust-toolchain@ac90e63697ac2784f4ecfe2964e1a285c304003a # v1
         with:
-          target: wasm32-unknown-unknown
           cache: false
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d07dd5aca3..65a63eff4c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,17 +11,13 @@ _pnpm_: Make sure that pnpm is available. You can use `corepack enable` to autom
 _Rust_: ReactLynx utilizes SWC plugins, necessitating the Rust toolchain for building.
 
 - Ensure you have [`rustup`](https://rustup.rs/) installed.
-- Install the required WASM target by running the following command (you only need to do this once):
-  ```sh
-  rustup target add wasm32-unknown-unknown
-  ```
-- `rustup` will automatically use the correct toolchain when you run build commands inside this project, thanks to the `rust-toolchain` file.
 
 ### Setup
 
 To setup the project, run:
 
 ```sh
+rustup toolchain install
 pnpm install
 ```
 
diff --git a/packages/web-platform/web-style-transformer/Cargo.toml b/packages/web-platform/web-style-transformer/Cargo.toml
index 769aad04e4..a5a75943d2 100644
--- a/packages/web-platform/web-style-transformer/Cargo.toml
+++ b/packages/web-platform/web-style-transformer/Cargo.toml
@@ -11,7 +11,3 @@ inline-style-parser = { path = "../inline-style-parser" }
 js-sys = "0.3.77"
 lazy_static = "1.5.0"
 wasm-bindgen = "=0.2.101"
-
-[profile.release]
-opt-level = 3
-lto = true
diff --git a/packages/web-platform/web-style-transformer/scripts/build.js b/packages/web-platform/web-style-transformer/scripts/build.js
index e81fd7c0c6..3a00281c91 100644
--- a/packages/web-platform/web-style-transformer/scripts/build.js
+++ b/packages/web-platform/web-style-transformer/scripts/build.js
@@ -24,7 +24,7 @@ execSync(
   { cwd: packageRoot, stdio: 'inherit' },
 );
 execSync(
-  `pnpm wasm-opt ./dist/standard_bg.wasm -O3 -o ./dist/standard_bg.wasm`,
+  `pnpm wasm-opt --enable-bulk-memory ./dist/standard_bg.wasm -O3 -o ./dist/standard_bg.wasm`,
   { cwd: packageRoot, stdio: 'inherit' },
 );
 
@@ -42,6 +42,6 @@ execSync(
   { cwd: packageRoot, stdio: 'inherit' },
 );
 execSync(
-  `pnpm wasm-opt ./dist/legacy_bg.wasm -O3 -o ./dist/legacy_bg.wasm`,
+  `pnpm wasm-opt --enable-bulk-memory ./dist/legacy_bg.wasm -O3 -o ./dist/legacy_bg.wasm`,
   { cwd: packageRoot, stdio: 'inherit' },
 );
diff --git a/rust-toolchain b/rust-toolchain
deleted file mode 100644
index b7844a6ffd..0000000000
--- a/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-1.86.0
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000000..c81e96d849
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+channel = "1.88.0"
+targets = ["wasm32-unknown-unknown", "wasm32-wasip1"]
+profile = "default"