diff --git a/buildingmotif/dataclasses/library.py b/buildingmotif/dataclasses/library.py
index c3994258..73c678f7 100644
--- a/buildingmotif/dataclasses/library.py
+++ b/buildingmotif/dataclasses/library.py
@@ -130,9 +130,10 @@ def _clear_library(cls, library: DBLibrary) -> None:
         :type library: DBLibrary
         """
         bm = get_building_motif()
-        for template in library.templates:  # type: ignore
-            bm.session.delete(template)
-        bm.session.commit()
+        bm.table_connection.delete_db_library(library.id)
+        #for template in library.templates:  # type: ignore
+        #    bm.session.delete(template)
+        #bm.session.commit()
 
     # TODO: load library from URI? Does the URI identify the library uniquely?
     # TODO: can we deduplicate shape graphs? use hash of graph?