diff --git a/backend/bloom/infra/database/sql_model.py b/backend/bloom/infra/database/sql_model.py
index ec5b24ca..42896ab7 100644
--- a/backend/bloom/infra/database/sql_model.py
+++ b/backend/bloom/infra/database/sql_model.py
@@ -231,7 +231,6 @@ class TaskExecution(Base):
     point_in_time = Column("point_in_time", DateTime(timezone=True))
     created_at = Column("created_at", DateTime(timezone=True), server_default=func.now())
     updated_at = Column("updated_at", DateTime(timezone=True), onupdate=func.now())
-    duration = Column("duration", Interval, nullable=True)
     delta = Column("delta", Interval, nullable=False)
     active = Column("active", Boolean, nullable=False)
     position_count = Column("position_count", Integer, nullable=True)