diff --git a/tests/test_iso3_parsing.py b/tests/test_iso3_parsing.py
index 7e121578..a81d0384 100644
--- a/tests/test_iso3_parsing.py
+++ b/tests/test_iso3_parsing.py
@@ -45,8 +45,6 @@
                           MD_ReferenceSystem, MD_FeatureCatalogueDescription,
                           MD_ImageDescription, MD_Band)
 
-pytestmark = pytest.mark.unit
-
 
 @pytest.fixture
 def ns():