diff --git a/.github/workflows/rust-release-windows.yml b/.github/workflows/rust-release-windows.yml
index 589aa9871..85556bc8c 100644
--- a/.github/workflows/rust-release-windows.yml
+++ b/.github/workflows/rust-release-windows.yml
@@ -88,8 +88,6 @@ jobs:
 
       - name: Cargo build (Windows binaries)
         shell: bash
-        env:
-          RUSTFLAGS: ${{ matrix.target == 'aarch64-pc-windows-msvc' && '-C link-arg=/Gy' || '' }}
         run: |
           cargo build --target ${{ matrix.target }} --release --timings ${{ matrix.build_args }}
 
diff --git a/codex-rs/.cargo/config.toml b/codex-rs/.cargo/config.toml
index f5107cf73..7adeec500 100644
--- a/codex-rs/.cargo/config.toml
+++ b/codex-rs/.cargo/config.toml
@@ -1,5 +1,11 @@
 [target.'cfg(all(windows, target_env = "msvc"))']
-rustflags = ["-C", "link-arg=/STACK:8388608"]
+rustflags = [
+    "-C",
+    "link-arg=/STACK:8388608",
+    "-C",
+    "llvm-args=-function-sections",
+]
+
 
 [target.'cfg(all(windows, target_env = "gnu"))']
 rustflags = ["-C", "link-arg=-Wl,--stack,8388608"]