diff --git a/index-scheduler/src/batch.rs b/index-scheduler/src/batch.rs
index c9deedb37..5260a9d7e 100644
--- a/index-scheduler/src/batch.rs
+++ b/index-scheduler/src/batch.rs
@@ -1534,18 +1534,6 @@ fn delete_document_by_filter<'a>(
             }
             e => e.into(),
         })?;
-        let external_documents_ids = index.external_documents_ids();
-        // FIXME: for filters matching a lot of documents, this will allocate a huge vec of external docids (strings).
-        // Since what we have is an iterator, it would be better to delete in chunks
-        let external_to_internal: std::result::Result<Vec<_>, RoaringBitmap> =
-            external_documents_ids
-                .find_external_id_of(wtxn, candidates)?
-                .only_external_ids()
-                .collect();
-        let document_ids = match external_to_internal {
-            Ok(external_ids) => external_ids,
-            Err(remaining_ids) => panic!("Couldn't find some external ids {:?}", remaining_ids),
-        };
 
         let config = IndexDocumentsConfig {
             update_method: IndexDocumentsMethod::ReplaceDocuments,
@@ -1561,13 +1549,10 @@ fn delete_document_by_filter<'a>(
             || must_stop_processing.get(),
         )?;
 
-        let (new_builder, user_result) = builder.remove_documents(document_ids)?;
+        let (new_builder, count) = builder.remove_documents_from_db_no_batch(&candidates)?;
         builder = new_builder;
-        // Uses Invariant: remove documents actually always returns Ok for the inner result
-        let count = user_result.unwrap();
 
         let _ = builder.execute()?;
-
         count
     } else {
         0