diff --git a/bucket_map/src/bucket.rs b/bucket_map/src/bucket.rs
index 6791f5beb6..edc0fe874b 100644
--- a/bucket_map/src/bucket.rs
+++ b/bucket_map/src/bucket.rs
@@ -201,7 +201,6 @@ impl<T: Clone + Copy> Bucket<T> {
         let best_fit_bucket = IndexEntry::data_bucket_from_num_slots(data.len() as u64);
         if self.data.get(best_fit_bucket as usize).is_none() {
             // fail early if the data bucket we need doesn't exist - we don't want the index entry partially allocated
-            //error!("resizing because missing bucket");
             return Err(BucketMapError::DataNoSpace((best_fit_bucket, 0)));
         }
         let index_entry = self.find_entry_mut(key);
@@ -276,7 +275,7 @@ impl<T: Clone + Copy> Bucket<T> {
 
     pub fn grow_index(&mut self, sz: u8) {
         if self.index.capacity_pow2 == sz {
-            let mut m = Measure::start("");
+            let mut m = Measure::start("grow_index");
             //debug!("GROW_INDEX: {}", sz);
             let increment = 1;
             for i in increment.. {
diff --git a/bucket_map/src/bucket_storage.rs b/bucket_map/src/bucket_storage.rs
index b9336e8866..0a007cc58c 100644
--- a/bucket_map/src/bucket_storage.rs
+++ b/bucket_map/src/bucket_storage.rs
@@ -85,10 +85,10 @@ impl BucketStorage {
         elem_size: u64,
         capacity_pow2: u8,
         max_search: MaxSearch,
-        mut stats: Arc<BucketStats>,
+        stats: Arc<BucketStats>,
     ) -> Self {
         let cell_size = elem_size * num_elems + std::mem::size_of::<Header>() as u64;
-        let (mmap, path) = Self::new_map(&drives, cell_size as usize, capacity_pow2, &mut stats);
+        let (mmap, path) = Self::new_map(&drives, cell_size as usize, capacity_pow2, &stats);
         Self {
             path,
             mmap,
@@ -249,7 +249,7 @@ impl BucketStorage {
         drives: &[PathBuf],
         cell_size: usize,
         capacity_pow2: u8,
-        stats: &mut Arc<BucketStats>,
+        stats: &BucketStats,
     ) -> (MmapMut, PathBuf) {
         let mut measure_new_file = Measure::start("measure_new_file");
         let capacity = 1u64 << capacity_pow2;
@@ -311,7 +311,7 @@ impl BucketStorage {
             &self.drives,
             self.cell_size as usize,
             self.capacity_pow2 + increment,
-            &mut self.stats,
+            &self.stats,
         );
         (0..old_cap as usize).into_iter().for_each(|i| {
             let old_ix = i * self.cell_size as usize;