diff --git a/meilidb-core/src/criterion/mod.rs b/meilidb-core/src/criterion/mod.rs
index 2ed5a54ba..9b2962bdb 100644
--- a/meilidb-core/src/criterion/mod.rs
+++ b/meilidb-core/src/criterion/mod.rs
@@ -22,7 +22,6 @@ pub use self::{
 pub trait Criterion: Send + Sync {
     fn evaluate(&self, lhs: &RawDocument, rhs: &RawDocument) -> Ordering;
 
-    #[inline]
     fn name(&self) -> &'static str;
 
     #[inline]
diff --git a/meilidb-core/src/distinct_map.rs b/meilidb-core/src/distinct_map.rs
index 81afe1cf0..3ac956245 100644
--- a/meilidb-core/src/distinct_map.rs
+++ b/meilidb-core/src/distinct_map.rs
@@ -12,7 +12,7 @@ impl<K: Hash + Eq> DistinctMap<K> {
     pub fn new(limit: usize) -> Self {
         DistinctMap {
             inner: HashMap::new(),
-            limit: limit,
+            limit,
             len: 0,
         }
     }
@@ -31,7 +31,7 @@ pub struct BufferedDistinctMap<'a, K> {
 impl<'a, K: Hash + Eq> BufferedDistinctMap<'a, K> {
     pub fn new(internal: &'a mut DistinctMap<K>) -> BufferedDistinctMap<'a, K> {
         BufferedDistinctMap {
-            internal: internal,
+            internal,
             inner: HashMap::new(),
             len: 0,
         }
diff --git a/meilidb-core/src/query_builder.rs b/meilidb-core/src/query_builder.rs
index b32fa3902..f9f51dba2 100644
--- a/meilidb-core/src/query_builder.rs
+++ b/meilidb-core/src/query_builder.rs
@@ -69,11 +69,7 @@ impl<'c, S, FI> QueryBuilder<'c, S, FI>
     where F: Fn(DocumentId) -> Option<K>,
           K: Hash + Eq,
     {
-        DistinctQueryBuilder {
-            inner: self,
-            function: function,
-            size: size
-        }
+        DistinctQueryBuilder { inner: self, function, size }
     }
 
     pub fn add_searchable_attribute(&mut self, attribute: u16) {
@@ -116,10 +112,10 @@ where S: Store,
                     if self.searchable_attrs.as_ref().map_or(true, |r| r.contains(&di.attribute)) {
                         let match_ = Match {
                             query_index: iv.index as u32,
-                            distance: distance,
+                            distance,
                             attribute: di.attribute,
                             word_index: di.word_index,
-                            is_exact: is_exact,
+                            is_exact,
                             char_index: di.char_index,
                             char_length: di.char_length,
                         };
diff --git a/meilidb-data/src/database/index.rs b/meilidb-data/src/database/index.rs
index e75a02a9a..5db72e085 100644
--- a/meilidb-data/src/database/index.rs
+++ b/meilidb-data/src/database/index.rs
@@ -95,7 +95,7 @@ impl Index {
         let fields = fields
             .map(|fields| {
                 fields
-                    .into_iter()
+                    .iter()
                     .filter_map(|name| schema.attribute(name))
                     .collect()
             });
diff --git a/meilidb-data/src/indexer.rs b/meilidb-data/src/indexer.rs
index 31d94ae4f..25c71d2de 100644
--- a/meilidb-data/src/indexer.rs
+++ b/meilidb-data/src/indexer.rs
@@ -134,9 +134,9 @@ fn token_to_docindex(id: DocumentId, attr: SchemaAttr, token: Token) -> Option<D
     let docindex = DocIndex {
         document_id: id,
         attribute: attr.0,
-        word_index: word_index,
-        char_index: char_index,
-        char_length: char_length,
+        word_index,
+        char_index,
+        char_length,
     };
 
     Some(docindex)
diff --git a/meilidb-data/src/serde/convert_to_number.rs b/meilidb-data/src/serde/convert_to_number.rs
index db888f64e..aec22730a 100644
--- a/meilidb-data/src/serde/convert_to_number.rs
+++ b/meilidb-data/src/serde/convert_to_number.rs
@@ -61,7 +61,7 @@ impl ser::Serializer for ConvertToNumber {
     }
 
     fn serialize_f32(self, value: f32) -> Result<Self::Ok, Self::Error> {
-        Ok(Number::Float(OrderedFloat(value as f64)))
+        Ok(Number::Float(OrderedFloat(f64::from(value))))
     }
 
     fn serialize_f64(self, value: f64) -> Result<Self::Ok, Self::Error> {
diff --git a/meilidb-data/src/serde/serializer.rs b/meilidb-data/src/serde/serializer.rs
index 0636d86d6..d201b3b4d 100644
--- a/meilidb-data/src/serde/serializer.rs
+++ b/meilidb-data/src/serde/serializer.rs
@@ -266,26 +266,22 @@ fn serialize_value<T: ?Sized>(
 ) -> Result<(), SerializerError>
 where T: ser::Serialize,
 {
-    if let Some(attr) = schema.attribute(key) {
-        let props = schema.props(attr);
+    if let Some(attribute) = schema.attribute(key) {
+        let props = schema.props(attribute);
 
         if props.is_stored() {
             let value = rmp_serde::to_vec_named(value)?;
-            document_store.set_document_field(document_id, attr, value);
+            document_store.set_document_field(document_id, attribute, value);
         }
 
         if props.is_indexed() {
-            let indexer = Indexer {
-                attribute: attr,
-                indexer: indexer,
-                document_id: document_id,
-            };
+            let indexer = Indexer { attribute, indexer, document_id };
             value.serialize(indexer)?;
         }
 
         if props.is_ranked() {
             let number = value.serialize(ConvertToNumber)?;
-            ranked_map.insert(document_id, attr, number);
+            ranked_map.insert(document_id, attribute, number);
         }
     }