diff --git a/milli/src/update/facet/bulk.rs b/milli/src/update/facet/bulk.rs
index 83fa51003..3a371995e 100644
--- a/milli/src/update/facet/bulk.rs
+++ b/milli/src/update/facet/bulk.rs
@@ -177,8 +177,6 @@ impl<R: std::io::Read + std::io::Seek> FacetsUpdateBulkInner<R> {
         field_id: FieldId,
         txn: &RoTxn,
     ) -> Result<(Vec<grenad::Reader<File>>, RoaringBitmap)> {
-        // TODO: first check whether there is anything in level 0?
-
         let mut all_docids = RoaringBitmap::new();
         let subwriters = self.compute_higher_levels(txn, field_id, 32, &mut |bitmaps, _| {
             for bitmap in bitmaps {
diff --git a/milli/src/update/index_documents/extract/extract_facet_string_docids.rs b/milli/src/update/index_documents/extract/extract_facet_string_docids.rs
index e6a41067b..a7b027ce3 100644
--- a/milli/src/update/index_documents/extract/extract_facet_string_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_facet_string_docids.rs
@@ -21,7 +21,7 @@ pub fn extract_facet_string_docids<R: io::Read + io::Seek>(
 
     let mut facet_string_docids_sorter = create_sorter(
         grenad::SortAlgorithm::Stable,
-        merge_cbo_roaring_bitmaps, // TODO: check that it is correct
+        merge_cbo_roaring_bitmaps,
         indexer.chunk_compression_type,
         indexer.chunk_compression_level,
         indexer.max_nb_chunks,
diff --git a/milli/src/update/index_documents/extract/mod.rs b/milli/src/update/index_documents/extract/mod.rs
index 208dfc74d..5f557d812 100644
--- a/milli/src/update/index_documents/extract/mod.rs
+++ b/milli/src/update/index_documents/extract/mod.rs
@@ -142,7 +142,7 @@ pub(crate) fn data_from_obkv_documents(
         indexer,
         lmdb_writer_sx.clone(),
         extract_facet_string_docids,
-        merge_cbo_roaring_bitmaps, // TODO: check (cbo?)
+        merge_cbo_roaring_bitmaps,
         TypedChunk::FieldIdFacetStringDocids,
         "field-id-facet-string-docids",
     );
diff --git a/milli/src/update/index_documents/typed_chunk.rs b/milli/src/update/index_documents/typed_chunk.rs
index f11414f20..16784bd92 100644
--- a/milli/src/update/index_documents/typed_chunk.rs
+++ b/milli/src/update/index_documents/typed_chunk.rs
@@ -138,13 +138,11 @@ pub(crate) fn write_typed_chunk_into_index(
             is_merged_database = true;
         }
         TypedChunk::FieldIdFacetNumberDocids(facet_id_number_docids_iter) => {
-            // TODO indexer options for the facet level database
             let indexer = FacetsUpdate::new(index, FacetType::Number, facet_id_number_docids_iter);
             indexer.execute(wtxn)?;
             is_merged_database = true;
         }
         TypedChunk::FieldIdFacetStringDocids(facet_id_string_docids_iter) => {
-            // TODO indexer options for the facet level database
             let indexer = FacetsUpdate::new(index, FacetType::String, facet_id_string_docids_iter);
             indexer.execute(wtxn)?;
             is_merged_database = true;