diff --git a/app/models/__init__.py b/app/models/__init__.py
index c7a183ec..23c677c8 100644
--- a/app/models/__init__.py
+++ b/app/models/__init__.py
@@ -72,11 +72,12 @@ from app.models.validations import (
 from app.models.preferences import ScoPreference
 
 from app.models.but_refcomp import (
-    ApcReferentielCompetences,
-    ApcCompetence,
-    ApcSituationPro,
     ApcAppCritique,
+    ApcCompetence,
+    ApcNiveau,
     ApcParcours,
+    ApcReferentielCompetences,
+    ApcSituationPro,
 )
 from app.models.but_validations import ApcValidationAnnee, ApcValidationRCUE
 
diff --git a/tests/unit/test_refcomp.py b/tests/unit/test_refcomp.py
index 2e56ed3c..b09b9775 100644
--- a/tests/unit/test_refcomp.py
+++ b/tests/unit/test_refcomp.py
@@ -17,6 +17,7 @@ from app.models.but_refcomp import (
     ApcSituationPro,
     ApcNiveau,
 )
+from app.models.formations import Formation
 
 from tests.unit import setup
 
@@ -58,3 +59,28 @@ def test_but_assoc_ue_parcours(test_client):
     assert ue.niveau_competence == niveau
     assert len(niveau.ues) == 1
     assert niveau.ues[0] == ue
+
+
+def test_but_assoc_refcomp(test_client):
+    """Association formation / référentiel de compétences"""
+    dept_id = models.Departement.query.first().id
+    G, formation_id, (ue1_id, ue2_id, ue3_id), module_ids = setup.build_formation_test()
+    formation: Formation = Formation.query.get(formation_id)
+    assert formation is not None
+    ref_comp: ApcReferentielCompetences = orebut_import_refcomp(REF_RT_XML, dept_id)
+    formation.referentiel_competence_id = ref_comp.id
+    db.session.add(formation)
+    db.session.commit()
+    ue = UniteEns.query.get(ue1_id)
+    niveau = (
+        ApcNiveau.query.filter_by(annee="BUT1")
+        .join(ApcCompetence)
+        .filter_by(referentiel_id=ref_comp.id)
+        .first()
+    )
+    assert niveau is not None
+    ue.niveau_competence_id = niveau.id
+    db.session.add(ue)
+    db.session.commit()
+    formation.refcomp_desassoc()
+    assert ue.niveau_competence_id is None