diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 6c98a60d..94b519e3 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -50,7 +50,6 @@ jobs:
           os: ubuntu-24.04-arm
         - target: aarch64-pc-windows-msvc
           os: windows-2025
-          test_verbatim: 1
           build_only: 1
         - target: arm-unknown-linux-gnueabi
           os: ubuntu-24.04
@@ -92,10 +91,8 @@ jobs:
           os: macos-13
         - target: i686-pc-windows-msvc
           os: windows-2025
-          test_verbatim: 1
         - target: x86_64-pc-windows-msvc
           os: windows-2025
-          test_verbatim: 1
         - target: i686-pc-windows-gnu
           os: windows-2025
           channel: nightly-i686-gnu
@@ -106,7 +103,6 @@ jobs:
     needs: [calculate_vars]
     env:
       BUILD_ONLY: ${{ matrix.build_only }}
-      TEST_VERBATIM: ${{ matrix.test_verbatim }}
       MAY_SKIP_LIBM_CI: ${{ needs.calculate_vars.outputs.may_skip_libm_ci }}
     steps:
     - name: Print $HOME
@@ -166,7 +162,7 @@ jobs:
       shell: bash
     - run: echo "RUST_COMPILER_RT_ROOT=$(realpath ./compiler-rt)" >> "$GITHUB_ENV"
       shell: bash
-      
+
     - name: Download musl source
       run: ./ci/update-musl.sh
       shell: bash
@@ -278,7 +274,7 @@ jobs:
       with:
         name: ${{ env.BASELINE_NAME }}
         path: ${{ env.BASELINE_NAME }}.tar.xz
-    
+
     - name: Run wall time benchmarks
       run: |
         # Always use the same seed for benchmarks. Ideally we should switch to a
diff --git a/ci/run.sh b/ci/run.sh
index 8b7965bb..bc94d42f 100755
--- a/ci/run.sh
+++ b/ci/run.sh
@@ -41,7 +41,10 @@ else
     "${test_builtins[@]}" --benches
     "${test_builtins[@]}" --benches --release
 
-    if [ "${TEST_VERBATIM:-}" = "1" ]; then
+    # Validate that having a verbatim path for the target directory works
+    # (trivial to regress using `/` in paths to build artifacts rather than
+    # `Path::join`). MinGW does not currently support these paths.
+    if [[ "$target" = *"windows"* ]] && [[ "$target" != *"gnu"* ]]; then
         verb_path=$(cmd.exe //C echo \\\\?\\%cd%\\builtins-test\\target2)
         "${test_builtins[@]}" --target-dir "$verb_path" --features c
     fi
@@ -161,7 +164,7 @@ else
     mflags+=(--workspace --target "$target")
     cmd=(cargo test "${mflags[@]}")
     profile_flag="--profile"
-    
+
     # If nextest is available, use that
     command -v cargo-nextest && nextest=1 || nextest=0
     if [ "$nextest" = "1" ]; then
@@ -204,7 +207,7 @@ else
     "${cmd[@]}" "$profile_flag" release-checked --features unstable-intrinsics --benches
 
     # Ensure that the routines do not panic.
-    # 
+    #
     # `--tests` must be passed because no-panic is only enabled as a dev
     # dependency. The `release-opt` profile must be used to enable LTO and a
     # single CGU.