diff --git a/crates/milli/src/progress.rs b/crates/milli/src/progress.rs
index fd56c46d6..728e95652 100644
--- a/crates/milli/src/progress.rs
+++ b/crates/milli/src/progress.rs
@@ -269,47 +269,6 @@ impl<U: Send + Sync + 'static> Step for VariableNameStep<U> {
     }
 }
 
-// impl Step for hannoy::MainStep {
-//     fn name(&self) -> Cow<'static, str> {
-//         match self {
-//             hannoy::MainStep::PreProcessingTheItems => "pre processing the items",
-//             hannoy::MainStep::WritingTheDescendantsAndMetadata => {
-//                 "writing the descendants and metadata"
-//             }
-//             hannoy::MainStep::RetrieveTheUpdatedItems => "retrieve the updated items",
-//             hannoy::MainStep::RetrievingTheTreeAndItemNodes => "retrieving the tree and item nodes",
-//             hannoy::MainStep::UpdatingTheTrees => "updating the trees",
-//             hannoy::MainStep::CreateNewTrees => "create new trees",
-//             hannoy::MainStep::WritingNodesToDatabase => "writing nodes to database",
-//             hannoy::MainStep::DeleteExtraneousTrees => "delete extraneous trees",
-//             hannoy::MainStep::WriteTheMetadata => "write the metadata",
-//         }
-//         .into()
-//     }
-
-//     fn current(&self) -> u32 {
-//         *self as u32
-//     }
-
-//     fn total(&self) -> u32 {
-//         Self::CARDINALITY as u32
-//     }
-// }
-
-// impl Step for hannoy::SubStep {
-//     fn name(&self) -> Cow<'static, str> {
-//         self.unit.into()
-//     }
-
-//     fn current(&self) -> u32 {
-//         self.current.load(Ordering::Relaxed)
-//     }
-
-//     fn total(&self) -> u32 {
-//         self.max
-//     }
-// }
-
 // Integration with steppe
 
 impl steppe::Progress for Progress {
@@ -322,7 +281,7 @@ struct Compat<T: steppe::Step>(T);
 
 impl<T: steppe::Step> Step for Compat<T> {
     fn name(&self) -> Cow<'static, str> {
-        self.0.name().into()
+        self.0.name()
     }
 
     fn current(&self) -> u32 {
diff --git a/crates/milli/src/update/upgrade/v1_18.rs b/crates/milli/src/update/upgrade/v1_18.rs
index e20696b84..ef46e1f5b 100644
--- a/crates/milli/src/update/upgrade/v1_18.rs
+++ b/crates/milli/src/update/upgrade/v1_18.rs
@@ -14,7 +14,7 @@ impl UpgradeIndex for Latest_V1_17_To_V1_18_0 {
         wtxn: &mut RwTxn,
         index: &Index,
         _original: (u32, u32, u32),
-        _progress: Progress,
+        progress: Progress,
     ) -> Result<bool> {
         let embedding_configs = index.embedding_configs();
         for config in embedding_configs.embedding_configs(wtxn)? {
@@ -22,7 +22,7 @@ impl UpgradeIndex for Latest_V1_17_To_V1_18_0 {
             let quantized = config.config.quantized();
             let embedder_id = embedding_configs.embedder_id(wtxn, &config.name)?.unwrap();
             let vector_store = VectorStore::new(index.vector_store, embedder_id, quantized);
-            vector_store.convert_from_arroy(wtxn)?;
+            vector_store.convert_from_arroy(wtxn, progress.clone())?;
         }
 
         Ok(false)
diff --git a/crates/milli/src/vector/mod.rs b/crates/milli/src/vector/mod.rs
index 0a97a9bde..181a13e6a 100644
--- a/crates/milli/src/vector/mod.rs
+++ b/crates/milli/src/vector/mod.rs
@@ -155,7 +155,7 @@ impl VectorStore {
         }
     }
 
-    pub fn convert_from_arroy(&self, wtxn: &mut RwTxn) -> crate::Result<()> {
+    pub fn convert_from_arroy(&self, wtxn: &mut RwTxn, progress: Progress) -> crate::Result<()> {
         if self.quantized {
             let dimensions = self
                 .arroy_readers(wtxn, self.arroy_quantized_db())
@@ -168,7 +168,7 @@ impl VectorStore {
             for index in vector_store_range_for_embedder(self.embedder_index) {
                 let mut rng = rand::rngs::StdRng::from_entropy();
                 let writer = hannoy::Writer::new(self.quantized_db(), index, dimensions);
-                let mut builder = writer.builder(&mut rng);
+                let mut builder = writer.builder(&mut rng).progress(progress.clone());
                 builder.prepare_arroy_conversion(wtxn)?;
                 builder.build::<HANNOY_M, HANNOY_M0>(wtxn)?;
             }
@@ -186,7 +186,7 @@ impl VectorStore {
             for index in vector_store_range_for_embedder(self.embedder_index) {
                 let mut rng = rand::rngs::StdRng::from_entropy();
                 let writer = hannoy::Writer::new(self.angular_db(), index, dimensions);
-                let mut builder = writer.builder(&mut rng);
+                let mut builder = writer.builder(&mut rng).progress(progress.clone());
                 builder.prepare_arroy_conversion(wtxn)?;
                 builder.build::<HANNOY_M, HANNOY_M0>(wtxn)?;
             }