diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index abe7ec3f..cdce664d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,6 +41,7 @@ jobs:
 
   build:
     runs-on: ${{ matrix.os }}
+    if: false # disable OS build matrix until needs arise
     strategy:
       matrix:
         os:
@@ -61,7 +62,3 @@ jobs:
       - uses: actions/checkout@v4
       - name: Unit test with code coverage
         run: cargo tarpaulin --verbose --no-fail-fast --all-features --workspace --out xml
-      - name: Upload to codecov.io
-        uses: codecov/codecov-action@v4
-        with:
-          fail_ci_if_error: true