diff --git a/src/basic_memory/services/context_service.py b/src/basic_memory/services/context_service.py
index 0284bc48..88513347 100644
--- a/src/basic_memory/services/context_service.py
+++ b/src/basic_memory/services/context_service.py
@@ -228,6 +228,7 @@ SELECT DISTINCT
     root_id,
     created_at
 FROM context_graph
+WHERE (type, id) NOT IN ({values})
 GROUP BY
     type, id, title, permalink, from_id, to_id,
     relation_type, category, entity_id,