diff --git a/src/borg/testsuite/legacyrepository_test.py b/src/borg/testsuite/legacyrepository_test.py
index 7a056cc7d..c575e1e5e 100644
--- a/src/borg/testsuite/legacyrepository_test.py
+++ b/src/borg/testsuite/legacyrepository_test.py
@@ -229,6 +229,7 @@ def test_max_data_size(repo_fixtures, request):
         assert pdchunk(repository.get(H(0))) == max_data
         with pytest.raises(IntegrityError):
             repository.put(H(1), fchunk(max_data + b"x"))
+        repository.delete(H(0))
 
 
 def _assert_sparse(repository):
diff --git a/src/borg/testsuite/repository_test.py b/src/borg/testsuite/repository_test.py
index e58b062d5..aaee455e5 100644
--- a/src/borg/testsuite/repository_test.py
+++ b/src/borg/testsuite/repository_test.py
@@ -143,6 +143,7 @@ def test_max_data_size(repo_fixtures, request):
         assert pdchunk(repository.get(H(0))) == max_data
         with pytest.raises(IntegrityError):
             repository.put(H(1), fchunk(max_data + b"x"))
+        repository.delete(H(0))
 
 
 def check(repository, repo_path, repair=False, status=True):