diff --git a/src/palace/manager/api/admin/controller/custom_lists.py b/src/palace/manager/api/admin/controller/custom_lists.py
index 33a535e16..25510b77f 100644
--- a/src/palace/manager/api/admin/controller/custom_lists.py
+++ b/src/palace/manager/api/admin/controller/custom_lists.py
@@ -114,7 +114,7 @@ def _get_work_from_urn(self, library: Library, urn: str | None) -> Work | None:
             .join(LicensePool, LicensePool.work_id == Work.id)
             .join(Collection, LicensePool.collection_id == Collection.id)
             .filter(LicensePool.identifier_id == identifier.id)
-            .filter(Collection.id.in_([c.id for c in library.all_collections]))
+            .filter(Collection.id.in_([c.id for c in library.collections]))
         )
         work = query.one()
         return work
diff --git a/src/palace/manager/api/admin/dashboard_stats.py b/src/palace/manager/api/admin/dashboard_stats.py
index 09af9d3a2..18fad5520 100644
--- a/src/palace/manager/api/admin/dashboard_stats.py
+++ b/src/palace/manager/api/admin/dashboard_stats.py
@@ -129,9 +129,7 @@ def _authorized_collections(
         all_collections = self._all_collections()
 
         for library in authorized_libraries:
-            library_collections = {
-                all_collections[c.id] for c in library.all_collections
-            }
+            library_collections = {all_collections[c.id] for c in library.collections}
             authorized_collections_by_library[library.short_name] = sorted(
                 library_collections, key=lambda c: c.id
             )
diff --git a/src/palace/manager/sqlalchemy/model/library.py b/src/palace/manager/sqlalchemy/model/library.py
index d4b8b1c0e..e8136a9c1 100644
--- a/src/palace/manager/sqlalchemy/model/library.py
+++ b/src/palace/manager/sqlalchemy/model/library.py
@@ -310,12 +310,6 @@ def update_settings(self, new_settings: LibrarySettings) -> None:
         self._settings = None
         integration_settings_update(LibrarySettings, self, new_settings, merge=True)
 
-    @property
-    def all_collections(self) -> Generator[Collection]:
-        for collection in self.collections:
-            yield collection
-            yield from collection.parents
-
     @property
     def entrypoints(self) -> Generator[type[EntryPoint] | None]:
         """The EntryPoints enabled for this library."""
@@ -394,7 +388,7 @@ def restrict_to_ready_deliverable_works(
         from palace.manager.sqlalchemy.model.collection import Collection
 
         collection_ids = collection_ids or [
-            x.id for x in self.all_collections if x.id is not None
+            x.id for x in self.collections if x.id is not None
         ]
         return Collection.restrict_to_ready_deliverable_works(
             query,
diff --git a/tests/manager/sqlalchemy/model/test_library.py b/tests/manager/sqlalchemy/model/test_library.py
index e4a8bca76..1963aa180 100644
--- a/tests/manager/sqlalchemy/model/test_library.py
+++ b/tests/manager/sqlalchemy/model/test_library.py
@@ -98,14 +98,13 @@ def test_has_root_lanes(self, db: DatabaseTransactionFixture):
         db.session.flush()
         assert False == library.has_root_lanes
 
-    def test_all_collections(self, db: DatabaseTransactionFixture):
+    def test_collections(self, db: DatabaseTransactionFixture):
         library = db.default_library()
 
         parent = db.collection()
         db.default_collection().parent_id = parent.id
 
         assert [db.default_collection()] == library.collections
-        assert {db.default_collection(), parent} == set(library.all_collections)
 
     def test_estimated_holdings_by_language(self, db: DatabaseTransactionFixture):
         library = db.default_library()