diff --git a/.github/coverage.yml b/.github/coverage.yml
new file mode 100644
index 0000000000..2d55d9e9a1
--- /dev/null
+++ b/.github/coverage.yml
@@ -0,0 +1,9 @@
+ignore-non-existing: true
+
+excl-line: "unreachable!"
+ignore:
+  - "bench-vortex/*"
+  - "fuzz/*"
+  - "home/*"
+  - "/*"
+  - "../*"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9104e88caa..320aa97514 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -157,12 +157,15 @@ jobs:
           RUSTDOCFLAGS: '-Zprofile'
       - uses: rraval/actions-rs-grcov@e96292badb0d33512d16654efb0ee3032a9a3cff
         id: grcov
+        with:
+          config: ".github/coverage.yml"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Coveralls
         uses: coverallsapp/github-action@v2
         with:
           file: "${{ steps.grcov.outputs.report }}"
+          
   
   license-check-and-audit-check:
     name: License Check and Audit Check
diff --git a/vortex-serde/src/layouts/write/mod.rs b/vortex-serde/src/layouts/write/mod.rs
deleted file mode 100644
index 5db6f3505d..0000000000
--- a/vortex-serde/src/layouts/write/mod.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-pub use layouts::LayoutSpec;
-pub use writer::LayoutWriter;
-
-mod footer;
-mod layouts;
-mod metadata_accumulators;
-mod writer;