diff --git a/python/edm4hep/__init__.py b/python/edm4hep/__init__.py
index 1cf2df10d..205f4749c 100644
--- a/python/edm4hep/__init__.py
+++ b/python/edm4hep/__init__.py
@@ -24,6 +24,9 @@
     raise RuntimeError('Failed to load Constants.h')
 from ROOT import edm4hep
 
+from podio.pythonizations import load_pythonizations
+load_pythonizations('edm4hep')
+
 # Make TAB completion work for utils
 setattr(edm4hep, 'utils', edm4hep.utils)
 
diff --git a/test/test_EDM4hepFile.py b/test/test_EDM4hepFile.py
index fc8da2d14..51f0445ad 100644
--- a/test/test_EDM4hepFile.py
+++ b/test/test_EDM4hepFile.py
@@ -250,7 +250,6 @@ def test_ClusterCollection(event):
     calo_hit = event.get("CalorimeterHitCollection")[0]
     assert len(cluster.getHits()) == 1
     assert cluster.getHits()[0] == calo_hit
-    cluster.addToHits(calo_hit)
 
 
 def test_TrackerHit3DCollection(event):