diff --git a/.github/workflows/master_ci.yml b/.github/workflows/master_ci.yml
index 0a413a60e..07549480c 100644
--- a/.github/workflows/master_ci.yml
+++ b/.github/workflows/master_ci.yml
@@ -109,6 +109,7 @@ jobs:
         run: |
           cd build
           lcov --directory . --capture --output-file coverage.info --exclude '/usr/**/*' --exclude 'external_tools/**/*' --exclude 'tests/**/*' --exclude '**/googletest-src/**/*'
+          lcov --remove coverage.info '/usr/**/*' --output-file coverage.info
           lcov --list coverage.info
           gcovr -r ../ -x > report.xml
           cd ..