diff --git a/lib/galaxy/model/__init__.py b/lib/galaxy/model/__init__.py
index f6a03a239fb..471dee8af24 100644
--- a/lib/galaxy/model/__init__.py
+++ b/lib/galaxy/model/__init__.py
@@ -6282,6 +6282,11 @@ class LibraryDatasetDatasetAssociation(DatasetInstance, HasName, Serializable):
         self.library_dataset = library_dataset
         self.user = user
 
+    @property
+    def purged(self):
+        # For uniformity with HistoryDatasetAssociation
+        return self.dataset and self.dataset.purged
+
     def to_history_dataset_association(
         self, target_history, parent_id=None, add_to_history=False, visible=None, commit=True
     ):
diff --git a/lib/galaxy/model/store/__init__.py b/lib/galaxy/model/store/__init__.py
index 8c19cb8deaf..43753098bf1 100644
--- a/lib/galaxy/model/store/__init__.py
+++ b/lib/galaxy/model/store/__init__.py
@@ -651,7 +651,9 @@ class ModelImportStore(metaclass=abc.ABCMeta):
                     if dataset_state == dataset_instance.states.DEFERRED:
                         dataset_instance.state = dataset_instance.states.DEFERRED
                         dataset_instance.deleted = False
-                        dataset_instance.purged = False
+                        if isinstance(dataset_instance, model.HistoryDatasetAssociation):
+                            dataset_instance.purged = False
+                        assert dataset_instance.dataset
                         dataset_instance.dataset.deleted = False
                         dataset_instance.dataset.purged = False
                     elif (
@@ -666,7 +668,9 @@ class ModelImportStore(metaclass=abc.ABCMeta):
                         dataset_instance.state = target_state
                         deleted = is_discarded and (discarded_data == ImportDiscardedDataType.FORBID)
                         dataset_instance.deleted = deleted
-                        dataset_instance.purged = deleted
+                        if isinstance(dataset_instance, model.HistoryDatasetAssociation):
+                            dataset_instance.purged = deleted
+                        assert dataset_instance.dataset
                         dataset_instance.dataset.state = target_state
                         dataset_instance.dataset.deleted = deleted
                         dataset_instance.dataset.purged = deleted