diff --git a/src/aggregation/bucket/histogram/histogram.rs b/src/aggregation/bucket/histogram/histogram.rs
index 6579f4fc7..f485b07b3 100644
--- a/src/aggregation/bucket/histogram/histogram.rs
+++ b/src/aggregation/bucket/histogram/histogram.rs
@@ -425,7 +425,7 @@ impl SegmentHistogramCollector {
         let bucket = &mut self.buckets[bucket_pos];
         bucket.doc_count += 1;
         if let Some(sub_aggregation) = self.sub_aggregations.as_mut() {
-            (&mut sub_aggregation[bucket_pos]).collect(doc, bucket_with_accessor)?;
+            sub_aggregation[bucket_pos].collect(doc, bucket_with_accessor)?;
         }
         Ok(())
     }
diff --git a/src/core/segment_id.rs b/src/core/segment_id.rs
index 7db56118a..5e2cf1b32 100644
--- a/src/core/segment_id.rs
+++ b/src/core/segment_id.rs
@@ -57,7 +57,7 @@ impl SegmentId {
     /// Picking the first 8 chars is ok to identify
     /// segments in a display message (e.g. a5c4dfcb).
     pub fn short_uuid_string(&self) -> String {
-        (&self.0.as_simple().to_string()[..8]).to_string()
+        self.0.as_simple().to_string()[..8].to_string()
     }
 
     /// Returns a segment uuid string.