diff --git a/.github/workflows/code-cov.yml b/.github/workflows/code-cov.yml
index 51614d6..60c26cd 100644
--- a/.github/workflows/code-cov.yml
+++ b/.github/workflows/code-cov.yml
@@ -39,10 +39,11 @@ jobs:
       - name: Prepare Codecov
         run: |
           apt-get install -y lcov
-          lcov --directory . --capture --output-file coverage.info --rc lcov_branch_coverage=1 # capture coverage info
-          lcov --remove coverage.info '/usr/*' --output-file coverage.info --rc lcov_branch_coverage=1 # filter out system
-          lcov --remove coverage.info '**/tests/*' --output-file coverage.info --rc lcov_branch_coverage=1 # filter out tests
-          lcov --list coverage.info --rc lcov_branch_coverage=1 # debug info
+          lcov --directory . --capture --output-file coverage.info --rc lcov_branch_coverage=1
+          lcov --remove coverage.info '/usr/*' --output-file coverage.info --rc lcov_branch_coverage=1
+          lcov --remove coverage.info '**/tests/*' --output-file coverage.info --rc lcov_branch_coverage=1
+          lcov --remove coverage.info '**/.cppm/*' --output-file coverage.info --rc lcov_branch_coverage=1
+          lcov --list coverage.info --rc lcov_branch_coverage=1
       - name: Codecov
         uses: codecov/codecov-action@v3.1.1
         with: