diff --git a/crates/milli/src/update/new/extract/documents.rs b/crates/milli/src/update/new/extract/documents.rs
index 1514de72f..4d9a72715 100644
--- a/crates/milli/src/update/new/extract/documents.rs
+++ b/crates/milli/src/update/new/extract/documents.rs
@@ -186,10 +186,10 @@ impl<'a, 'b> SettingsChangeDocumentExtractor<'a, 'b> {
 }
 
 impl<'extractor> SettingsChangeExtractor<'extractor> for SettingsChangeDocumentExtractor<'_, '_> {
-    type Data = FullySend<RefCell<DocumentExtractorData>>;
+    type Data = FullySend<()>;
 
     fn init_data(&self, _extractor_alloc: &'extractor Bump) -> Result<Self::Data> {
-        Ok(FullySend(Default::default()))
+        Ok(FullySend(()))
     }
 
     fn process<'doc>(
diff --git a/crates/milli/src/update/new/indexer/extract.rs b/crates/milli/src/update/new/indexer/extract.rs
index c94da9629..8ed9dc37a 100644
--- a/crates/milli/src/update/new/indexer/extract.rs
+++ b/crates/milli/src/update/new/indexer/extract.rs
@@ -322,12 +322,13 @@ where
     Result::Ok((facet_field_ids_delta, index_embeddings))
 }
 
-pub(super) fn extract_all_settings_changes<'extractor, MSP, SD>(
+#[allow(clippy::too_many_arguments)]
+pub(super) fn extract_all_settings_changes<MSP, SD>(
     indexing_context: IndexingContext<MSP>,
     indexer_span: Span,
     extractor_sender: ExtractorBbqueueSender,
     settings_delta: &SD,
-    extractor_allocs: &'extractor mut ThreadLocal<FullySend<Bump>>,
+    extractor_allocs: &mut ThreadLocal<FullySend<Bump>>,
     finished_extraction: &AtomicBool,
     field_distribution: &mut BTreeMap<String, u64>,
     mut index_embeddings: Vec<IndexEmbeddingConfig>,
@@ -342,7 +343,7 @@ where
     let all_document_ids =
         indexing_context.index.documents_ids(&rtxn)?.into_iter().collect::<Vec<_>>();
     let primary_key =
-        primary_key_from_db(&indexing_context.index, &rtxn, &indexing_context.db_fields_ids_map)?;
+        primary_key_from_db(indexing_context.index, &rtxn, &indexing_context.db_fields_ids_map)?;
     let documents = DatabaseDocuments::new(&all_document_ids, primary_key);
 
     let span =
@@ -364,7 +365,7 @@ where
 
         let embedding_sender = extractor_sender.embeddings();
 
-        // extract the remaining embedders
+        // extract the remaining embeddings
         let extractor = SettingsChangeEmbeddingExtractor::new(
             settings_delta.new_embedders(),
             settings_delta.old_embedders(),
@@ -410,9 +411,9 @@ where
     Result::Ok(index_embeddings)
 }
 
-fn primary_key_from_db<'indexer, 'index>(
+fn primary_key_from_db<'indexer>(
     index: &'indexer Index,
-    rtxn: &'indexer heed::RoTxn<'index>,
+    rtxn: &'indexer heed::RoTxn<'_>,
     fields: &'indexer impl FieldIdMapper,
 ) -> Result<PrimaryKey<'indexer>> {
     let Some(primary_key) = index.primary_key(rtxn)? else {
diff --git a/crates/milli/src/update/new/indexer/mod.rs b/crates/milli/src/update/new/indexer/mod.rs
index 6dbfc5433..2398b5f09 100644
--- a/crates/milli/src/update/new/indexer/mod.rs
+++ b/crates/milli/src/update/new/indexer/mod.rs
@@ -205,8 +205,7 @@ where
     Ok(congestion)
 }
 
-#[allow(clippy::too_many_arguments)] // clippy: 😝
-pub fn reindex<'pl, 'indexer, 'index, MSP, SD>(
+pub fn reindex<'indexer, 'index, MSP, SD>(
     wtxn: &mut RwTxn<'index>,
     index: &'index Index,
     pool: &ThreadPoolNoAbort,
@@ -307,7 +306,7 @@ where
                 index_embeddings,
                 arroy_memory,
                 &mut arroy_writers,
-                Some(&embedder_actions),
+                Some(embedder_actions),
                 &indexing_context.must_stop_processing,
             )
         })
@@ -336,8 +335,8 @@ where
     Ok(congestion)
 }
 
-fn arroy_writers_from_embedder_actions<'indexer, 'index>(
-    index: &'index Index,
+fn arroy_writers_from_embedder_actions<'indexer>(
+    index: &Index,
     embedder_actions: &'indexer BTreeMap<String, EmbedderAction>,
     embedders: &'indexer EmbeddingConfigs,
     index_embedder_category_ids: &'indexer std::collections::HashMap<String, u8>,
@@ -372,15 +371,11 @@ fn arroy_writers_from_embedder_actions<'indexer, 'index>(
         .collect()
 }
 
-fn delete_old_embedders<'indexer, 'index, SD>(
-    wtxn: &mut RwTxn<'_>,
-    index: &'index Index,
-    settings_delta: &'indexer SD,
-) -> Result<()>
+fn delete_old_embedders<SD>(wtxn: &mut RwTxn<'_>, index: &Index, settings_delta: &SD) -> Result<()>
 where
     SD: SettingsDelta,
 {
-    for (_name, action) in settings_delta.embedder_actions() {
+    for action in settings_delta.embedder_actions().values() {
         if let Some(WriteBackToDocuments { embedder_id, .. }) = action.write_back() {
             let reader = ArroyWrapper::new(index.vector_arroy, *embedder_id, action.was_quantized);
             let dimensions = reader.dimensions(wtxn)?;
diff --git a/crates/milli/src/update/new/indexer/settings_changes.rs b/crates/milli/src/update/new/indexer/settings_changes.rs
index 90c451534..99e303f16 100644
--- a/crates/milli/src/update/new/indexer/settings_changes.rs
+++ b/crates/milli/src/update/new/indexer/settings_changes.rs
@@ -23,7 +23,7 @@ pub trait SettingsChangeExtractor<'extractor>: Sync {
 
     fn process<'doc>(
         &'doc self,
-        changes: impl Iterator<Item = Result<DatabaseDocument<'doc>>>,
+        documents: impl Iterator<Item = Result<DatabaseDocument<'doc>>>,
         context: &'doc DocumentContext<Self::Data>,
     ) -> Result<()>;
 }
@@ -128,12 +128,11 @@ pub fn settings_change_extract<
             // Clean up and reuse the document-specific allocator
             context.doc_alloc.reset();
 
-            let items = items.as_ref();
-            let changes = items
+            let documents = items
                 .iter()
                 .filter_map(|item| documents.item_to_database_document(context, item).transpose());
 
-            let res = extractor.process(changes, context).map_err(Arc::new);
+            let res = extractor.process(documents, context).map_err(Arc::new);
             step.fetch_add(items.as_ref().len() as u32, Ordering::Relaxed);
 
             // send back the doc_alloc in the pool
diff --git a/crates/milli/src/update/new/indexer/write.rs b/crates/milli/src/update/new/indexer/write.rs
index 19696f169..fa48ff589 100644
--- a/crates/milli/src/update/new/indexer/write.rs
+++ b/crates/milli/src/update/new/indexer/write.rs
@@ -101,6 +101,7 @@ impl ChannelCongestion {
 }
 
 #[tracing::instrument(level = "debug", skip_all, target = "indexing::vectors")]
+#[allow(clippy::too_many_arguments)]
 pub fn build_vectors<MSP>(
     index: &Index,
     wtxn: &mut RwTxn<'_>,
diff --git a/crates/milli/src/update/settings.rs b/crates/milli/src/update/settings.rs
index d21afdd28..32e3b17f9 100644
--- a/crates/milli/src/update/settings.rs
+++ b/crates/milli/src/update/settings.rs
@@ -1476,7 +1476,7 @@ impl<'a, 't, 'i> Settings<'a, 't, 'i> {
             chat: Setting::NotSet,
             wtxn: _,
             index: _,
-            indexer_config: _, // TODO: this is not used
+            indexer_config: _,
         } = &self
         {
             self.index.set_updated_at(self.wtxn, &OffsetDateTime::now_utc())?;
@@ -1486,9 +1486,7 @@ impl<'a, 't, 'i> Settings<'a, 't, 'i> {
             // Update index settings
             let embedding_config_updates = self.update_embedding_configs()?;
 
-            let mut new_inner_settings =
-                InnerIndexSettings::from_index(self.index, self.wtxn, None)?;
-            new_inner_settings.recompute_searchables(self.wtxn, self.index)?;
+            let new_inner_settings = InnerIndexSettings::from_index(self.index, self.wtxn, None)?;
 
             let primary_key_id = self
                 .index