diff --git a/backend/gn_module_monitoring/monitoring/models.py b/backend/gn_module_monitoring/monitoring/models.py
index 96d11c994..d3be48a35 100644
--- a/backend/gn_module_monitoring/monitoring/models.py
+++ b/backend/gn_module_monitoring/monitoring/models.py
@@ -83,9 +83,6 @@ class TMonitoringObservations(TObservations):
     )
 
 
-TBaseVisits.dataset = DB.relationship(TDatasets)
-
-
 @serializable
 class TMonitoringVisits(TBaseVisits):
     __tablename__ = "t_visit_complements"