diff --git a/lib/galaxy/model/__init__.py b/lib/galaxy/model/__init__.py
index 57ca51e3948e..98987d0f2274 100644
--- a/lib/galaxy/model/__init__.py
+++ b/lib/galaxy/model/__init__.py
@@ -6892,10 +6892,12 @@ class HistoryDatasetCollectionAssociation(
         primaryjoin=copied_from_history_dataset_collection_association_id == id,
         remote_side=[id],
         uselist=False,
+        viewonly=True,
         back_populates="copied_to_history_dataset_collection_association",
     )
     copied_to_history_dataset_collection_association = relationship(
         "HistoryDatasetCollectionAssociation",
+        viewonly=True,
         back_populates="copied_from_history_dataset_collection_association",
     )
     implicit_input_collections: Mapped[List["ImplicitlyCreatedDatasetCollectionInput"]] = relationship(