diff --git a/milli/src/update/new/extract/faceted/extract_facets.rs b/milli/src/update/new/extract/faceted/extract_facets.rs
index e12c9a6ac..794eb90be 100644
--- a/milli/src/update/new/extract/faceted/extract_facets.rs
+++ b/milli/src/update/new/extract/faceted/extract_facets.rs
@@ -130,7 +130,7 @@ impl FacetedDocidsExtractor {
     fn facet_fn_with_options<'extractor>(
         doc_alloc: &Bump,
         cached_sorter: &mut CboCachedSorter<'extractor>,
-        cache_fn: impl Fn(&mut CboCachedSorter<'extractor>, &[u8], u32),
+        cache_fn: impl Fn(&mut CboCachedSorter<'extractor>, &[u8], u32) -> Result<()>,
         docid: DocumentId,
         fid: FieldId,
         value: &Value,
diff --git a/milli/src/update/new/extract/searchable/extract_word_docids.rs b/milli/src/update/new/extract/searchable/extract_word_docids.rs
index cc954430d..79602503a 100644
--- a/milli/src/update/new/extract/searchable/extract_word_docids.rs
+++ b/milli/src/update/new/extract/searchable/extract_word_docids.rs
@@ -239,6 +239,7 @@ pub struct WordDocidsExtractors;
 
 impl WordDocidsExtractors {
     pub fn run_extraction<'pl, 'fid, 'indexer, 'index, DC: DocumentChanges<'pl>>(
+        grenad_parameters: GrenadParameters,
         document_changes: &DC,
         indexing_context: IndexingContext<'fid, 'indexer, 'index>,
         extractor_allocs: &mut ThreadLocal<FullySend<Bump>>,
diff --git a/milli/src/update/new/extract/searchable/mod.rs b/milli/src/update/new/extract/searchable/mod.rs
index d35069d82..5f5c995b1 100644
--- a/milli/src/update/new/extract/searchable/mod.rs
+++ b/milli/src/update/new/extract/searchable/mod.rs
@@ -36,7 +36,7 @@ impl<'extractor, EX: SearchableExtractor + Sync> Extractor<'extractor>
 {
     type Data = RefCell<CboCachedSorter<'extractor>>;
 
-    fn init_data(&self, extractor_alloc: RefBump<'extractor>) -> Result<Self::Data> {
+    fn init_data(&self, extractor_alloc: &'extractor Bump) -> Result<Self::Data> {
         Ok(RefCell::new(CboCachedSorter::new_in(extractor_alloc)?))
     }
 
@@ -54,7 +54,7 @@ pub trait SearchableExtractor: Sized + Sync {
         grenad_parameters: GrenadParameters,
         document_changes: &DC,
         indexing_context: IndexingContext<'fid, 'indexer, 'index>,
-        extractor_allocs: &mut ThreadLocal<FullySend<RefCell<Bump>>>,
+        extractor_allocs: &mut ThreadLocal<FullySend<Bump>>,
     ) -> Result<Merger<File, MergeDeladdCboRoaringBitmaps>> {
         let max_memory = grenad_parameters.max_memory_by_thread();
 
@@ -132,7 +132,7 @@ pub trait SearchableExtractor: Sized + Sync {
     }
 
     fn extract_document_change(
-        context: &DocumentChangeContext<RefCell<CboCachedSorter<MergeDeladdCboRoaringBitmaps>>>,
+        context: &DocumentChangeContext<RefCell<CboCachedSorter>>,
         document_tokenizer: &DocumentTokenizer,
         document_change: DocumentChange,
     ) -> Result<()>;
@@ -148,7 +148,7 @@ impl<T: SearchableExtractor> DocidsExtractor for T {
         grenad_parameters: GrenadParameters,
         document_changes: &DC,
         indexing_context: IndexingContext<'fid, 'indexer, 'index>,
-        extractor_allocs: &mut ThreadLocal<FullySend<RefCell<Bump>>>,
+        extractor_allocs: &mut ThreadLocal<FullySend<Bump>>,
     ) -> Result<Merger<File, MergeDeladdCboRoaringBitmaps>> {
         Self::run_extraction(
             grenad_parameters,
diff --git a/milli/src/update/new/indexer/document_deletion.rs b/milli/src/update/new/indexer/document_deletion.rs
index c10c052a0..8aafbcdf8 100644
--- a/milli/src/update/new/indexer/document_deletion.rs
+++ b/milli/src/update/new/indexer/document_deletion.rs
@@ -95,7 +95,7 @@ mod test {
     fn test_deletions() {
         struct DeletionWithData<'extractor> {
             deleted: RefCell<
-                hashbrown::HashSet<DocumentId, hashbrown::DefaultHashBuilder, RefBump<'extractor>>,
+                hashbrown::HashSet<DocumentId, hashbrown::DefaultHashBuilder, &'extractor Bump>,
             >,
         }
 
@@ -106,10 +106,7 @@ mod test {
         impl<'extractor> Extractor<'extractor> for TrackDeletion<'extractor> {
             type Data = DeletionWithData<'extractor>;
 
-            fn init_data(
-                &self,
-                extractor_alloc: raw_collections::alloc::RefBump<'extractor>,
-            ) -> crate::Result<Self::Data> {
+            fn init_data(&self, extractor_alloc: &'extractor Bump) -> crate::Result<Self::Data> {
                 let deleted = RefCell::new(hashbrown::HashSet::new_in(extractor_alloc));
                 Ok(DeletionWithData { deleted })
             }
@@ -169,8 +166,7 @@ mod test {
                 println!("deleted by {index}: {:?}", data.deleted.borrow());
             }
             for alloc in extractor_allocs.iter_mut() {
-                let alloc = &mut alloc.0;
-                alloc.get_mut().reset();
+                alloc.0.reset();
             }
         }
     }
diff --git a/milli/src/update/new/indexer/mod.rs b/milli/src/update/new/indexer/mod.rs
index 29ff2685e..8cb874f19 100644
--- a/milli/src/update/new/indexer/mod.rs
+++ b/milli/src/update/new/indexer/mod.rs
@@ -49,10 +49,7 @@ struct DocumentExtractor<'a> {
 impl<'a, 'extractor> Extractor<'extractor> for DocumentExtractor<'a> {
     type Data = FullySend<()>;
 
-    fn init_data(
-        &self,
-        _extractor_alloc: raw_collections::alloc::RefBump<'extractor>,
-    ) -> Result<Self::Data> {
+    fn init_data(&self, _extractor_alloc: &'extractor Bump) -> Result<Self::Data> {
         Ok(FullySend(()))
     }
 
@@ -362,7 +359,7 @@ fn extract_and_send_docids<
     grenad_parameters: GrenadParameters,
     document_changes: &DC,
     indexing_context: IndexingContext<'fid, 'indexer, 'index>,
-    extractor_allocs: &mut ThreadLocal<FullySend<RefCell<Bump>>>,
+    extractor_allocs: &mut ThreadLocal<FullySend<Bump>>,
     sender: &ExtractorSender,
 ) -> Result<()> {
     let merger =