diff --git a/openviking/storage/vectordb_adapters/base.py b/openviking/storage/vectordb_adapters/base.py
index fc74bb79..cee0f20f 100644
--- a/openviking/storage/vectordb_adapters/base.py
+++ b/openviking/storage/vectordb_adapters/base.py
@@ -325,7 +325,6 @@ def query(
         limit: int = 10,
         offset: int = 0,
         output_fields: Optional[list[str]] = None,
-        with_vector: bool = False,
         order_by: Optional[str] = None,
         order_desc: bool = False,
     ) -> list[Dict[str, Any]]:
@@ -367,9 +366,6 @@ def query(
             record["id"] = item.id
             record["_score"] = item.score if item.score is not None else 0.0
             record = self._normalize_record_for_read(record)
-            if not with_vector:
-                record.pop("vector", None)
-                record.pop("sparse_vector", None)
             records.append(record)
         return records
 
@@ -383,7 +379,7 @@ def delete(
         coll = self.get_collection()
         delete_ids = list(ids or [])
         if not delete_ids and filter is not None:
-            matched = self.query(filter=filter, limit=limit, with_vector=True)
+            matched = self.query(filter=filter, limit=limit)
             delete_ids = [record["id"] for record in matched if record.get("id")]
 
         if not delete_ids:
diff --git a/openviking/storage/viking_vector_index_backend.py b/openviking/storage/viking_vector_index_backend.py
index 7307960a..c5ef44fd 100644
--- a/openviking/storage/viking_vector_index_backend.py
+++ b/openviking/storage/viking_vector_index_backend.py
@@ -200,7 +200,6 @@ async def query(
         limit: int = 10,
         offset: int = 0,
         output_fields: Optional[List[str]] = None,
-        with_vector: bool = False,
         order_by: Optional[str] = None,
         order_desc: bool = False,
     ) -> List[Dict[str, Any]]:
@@ -212,7 +211,6 @@ async def query(
                 limit=limit,
                 offset=offset,
                 output_fields=output_fields,
-                with_vector=with_vector,
                 order_by=order_by,
                 order_desc=order_desc,
             )
@@ -228,7 +226,6 @@ async def search(
         limit: int = 10,
         offset: int = 0,
         output_fields: Optional[List[str]] = None,
-        with_vector: bool = False,
     ) -> List[Dict[str, Any]]:
         # Backward-compatible alias for internal call sites.
         return await self.query(
@@ -238,7 +235,6 @@ async def search(
             limit=limit,
             offset=offset,
             output_fields=output_fields,
-            with_vector=with_vector,
         )
 
     async def filter(