diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 647123f8..6c7bb37c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -417,12 +417,8 @@ jobs:
       - name: coverage
         if: ${{ matrix.id == 'coverage' }}
         run: |
-          meson configure iguana_build -Dtest_multithreading=1  # workaround gcovr issue in `TestMultithreading.h` when num_threads!=1
-          ninja clean
-          ninja
           ninja -C iguana_build coverage-html
           ninja -C iguana_build coverage-text
-          meson configure iguana_build -Dtest_multithreading=${{ env.num_threads }}  # revert the above workaround
           mv iguana_build/meson-logs/coveragereport coverage-report
           echo '### Coverage Report' >> $GITHUB_STEP_SUMMARY
           echo '```' >> $GITHUB_STEP_SUMMARY
diff --git a/src/iguana/tests/include/TestMultithreading.h b/src/iguana/tests/include/TestMultithreading.h
index 08aaaec7..ff974300 100644
--- a/src/iguana/tests/include/TestMultithreading.h
+++ b/src/iguana/tests/include/TestMultithreading.h
@@ -17,6 +17,8 @@ inline int TestMultithreading(
     bool const verbose)
 {
 
+  // GCOVR_EXCL_START
+
   iguana::Logger log("test", verbose ? iguana::Logger::Level::trace : iguana::Logger::Level::info);
 
   // check arguments
@@ -155,5 +157,5 @@ inline int TestMultithreading(
 
   // run
   stream.run(ftn, num_threads);
-  return 0;
+  return 0; // GCOVR_EXCL_STOP
 }