diff --git a/crates/milli/src/update/new/indexer/document_operation.rs b/crates/milli/src/update/new/indexer/document_operation.rs
index c0f1ffbdd..3be6cc080 100644
--- a/crates/milli/src/update/new/indexer/document_operation.rs
+++ b/crates/milli/src/update/new/indexer/document_operation.rs
@@ -2,6 +2,7 @@ use bumpalo::collections::CollectIn;
 use bumpalo::Bump;
 use heed::RoTxn;
 use memmap2::Mmap;
+use rayon::prelude::IndexedParallelIterator;
 use rayon::slice::ParallelSlice;
 use serde_json::value::RawValue;
 use IndexDocumentsMethod as Idm;
@@ -80,8 +81,7 @@ impl<'pl> DocumentOperation<'pl> {
 
         let documents_ids = index.documents_ids(rtxn)?;
         let mut available_docids = AvailableIds::new(&documents_ids);
-        let mut docids_version_offsets =
-            hashbrown::HashMap::<&'pl str, _, _, _>::new_in(&document_changes_alloc);
+        let mut docids_version_offsets = hashbrown::HashMap::<&'pl str, _, _, _>::new();
 
         for operation in self.operations {
             match operation {
@@ -213,7 +213,7 @@ impl<'pl> DocumentChanges<'pl> for DocumentOperationChanges<'pl> {
     fn iter(
         &self,
         chunk_size: usize,
-    ) -> impl rayon::prelude::IndexedParallelIterator<Item = impl AsRef<[Self::Item]>> {
+    ) -> impl IndexedParallelIterator<Item = impl AsRef<[Self::Item]>> {
         self.docids_version_offsets.par_chunks(chunk_size)
     }