diff --git a/cognee/tasks/graph/extract_graph_from_data.py b/cognee/tasks/graph/extract_graph_from_data.py
index 22cbc70fe..1ae28ca89 100644
--- a/cognee/tasks/graph/extract_graph_from_data.py
+++ b/cognee/tasks/graph/extract_graph_from_data.py
@@ -102,5 +102,5 @@ async def extract_graph_from_data(
             ]
 
     return await integrate_chunk_graphs(
-        data_chunks, chunk_graphs, graph_model, ontology_adapter or OntologyResolver()
+        data_chunks, chunk_graphs, graph_model, ontology_adapter
     )
diff --git a/cognee/tasks/graph/extract_graph_from_data_v2.py b/cognee/tasks/graph/extract_graph_from_data_v2.py
index d2b4924c7..5a4194fb1 100644
--- a/cognee/tasks/graph/extract_graph_from_data_v2.py
+++ b/cognee/tasks/graph/extract_graph_from_data_v2.py
@@ -44,5 +44,5 @@ async def extract_graph_from_data(
         data_chunks=data_chunks,
         chunk_graphs=chunk_graphs,
         graph_model=KnowledgeGraph,
-        ontology_adapter=ontology_adapter or OntologyResolver(),
+        ontology_adapter=ontology_adapter,
     )