diff --git a/src/core/src/from.rs b/src/core/src/from.rs
index dbeeb58a2f..347d90afc5 100644
--- a/src/core/src/from.rs
+++ b/src/core/src/from.rs
@@ -16,7 +16,7 @@ impl From<MashSketcher> for KmerMinHash {
 
         let mut new_mh = KmerMinHash::new(
             0,
-            values.get(0).unwrap().kmer.len() as u32,
+            values.first().unwrap().kmer.len() as u32,
             HashFunctions::Murmur64Dna,
             42,
             true,
diff --git a/src/core/src/index/revindex/disk_revindex.rs b/src/core/src/index/revindex/disk_revindex.rs
index 3b4434824e..30c0252f6d 100644
--- a/src/core/src/index/revindex/disk_revindex.rs
+++ b/src/core/src/index/revindex/disk_revindex.rs
@@ -364,7 +364,7 @@ impl RevIndexOps for RevIndex {
         orig_query: &KmerMinHash,
         selection: Option<Selection>,
     ) -> Result<Vec<GatherResult>> {
-        let mut match_size = usize::max_value();
+        let mut match_size = usize::MAX;
         let mut matches = vec![];
         let mut query = KmerMinHashBTree::from(orig_query.clone());
         let mut sum_weighted_found = 0;
@@ -554,8 +554,7 @@ impl RevIndexOps for RevIndex {
         // Using unchecked version because we just used the manifest
         // above to make sure the storage is still consistent
         unsafe {
-            Arc::get_mut(&mut self.collection)
-                .map(|v| v.set_storage_unchecked(InnerStorage::new(new_storage)));
+            if let Some(v) = Arc::get_mut(&mut self.collection) { v.set_storage_unchecked(InnerStorage::new(new_storage)) }
         }
 
         // write storage spec
diff --git a/src/core/src/index/revindex/mem_revindex.rs b/src/core/src/index/revindex/mem_revindex.rs
index 20f4c3aabd..64580d6ac2 100644
--- a/src/core/src/index/revindex/mem_revindex.rs
+++ b/src/core/src/index/revindex/mem_revindex.rs
@@ -204,7 +204,7 @@ impl RevIndex {
         threshold: usize,
         query: &KmerMinHash,
     ) -> Result<Vec<GatherResult>> {
-        let mut match_size = usize::max_value();
+        let mut match_size = usize::MAX;
         let mut matches = vec![];
 
         while match_size > threshold && !counter.is_empty() {
diff --git a/src/core/src/storage/rocksdb.rs b/src/core/src/storage/rocksdb.rs
index 0bf540aaf1..52b082af18 100644
--- a/src/core/src/storage/rocksdb.rs
+++ b/src/core/src/storage/rocksdb.rs
@@ -47,7 +47,7 @@ impl Storage for RocksDBStorage {
     fn save(&self, path: &str, content: &[u8]) -> Result<String> {
         let cf_storage = self.db.cf_handle(STORAGE).unwrap();
         // TODO(lirber): deal with conflict for path?
-        self.db.put_cf(&cf_storage, path.as_bytes(), &content[..])?;
+        self.db.put_cf(&cf_storage, path.as_bytes(), content)?;
         Ok(path.into())
     }