diff --git a/bob/devtools/build.py b/bob/devtools/build.py
index 70ee86acf8f27a4984f9b7e132a471ee749b318c..59aa728f96ae6fb123e5f938fc419e9c7fa038d5 100644
--- a/bob/devtools/build.py
+++ b/bob/devtools/build.py
@@ -534,6 +534,7 @@ def git_clean_build(runner, verbose):
     exclude_from_cleanup = [
         "miniconda.sh",  # the installer, cached
         "sphinx",  # build artifact -- documentation
+        "coverage.xml",  # build artifact -- coverage report
     ]
 
     # artifacts