diff --git a/meilidb-data/src/database.rs b/meilidb-data/src/database.rs
index f66d31aa9..23d998886 100644
--- a/meilidb-data/src/database.rs
+++ b/meilidb-data/src/database.rs
@@ -8,11 +8,7 @@ use std::{error, fmt};
 use arc_swap::{ArcSwap, Lease};
 use byteorder::{ReadBytesExt, BigEndian};
 use hashbrown::HashMap;
-use meilidb_core::criterion::Criteria;
-use meilidb_core::QueryBuilder;
-use meilidb_core::shared_data_cursor::{FromSharedDataCursor, SharedDataCursor};
-use meilidb_core::write_to_bytes::WriteToBytes;
-use meilidb_core::DocumentId;
+use meilidb_core::{criterion::Criteria, QueryBuilder, DocumentId};
 use rmp_serde::decode::{Error as RmpError};
 use sdset::SetBuf;
 use serde::de;
diff --git a/meilidb-data/src/serde/convert_to_number.rs b/meilidb-data/src/serde/convert_to_number.rs
index cf30e3b62..db888f64e 100644
--- a/meilidb-data/src/serde/convert_to_number.rs
+++ b/meilidb-data/src/serde/convert_to_number.rs
@@ -24,7 +24,7 @@ impl ser::Serializer for ConvertToNumber {
         Ok(Number::Unsigned(u64::from(value)))
     }
 
-    fn serialize_char(self, value: char) -> Result<Self::Ok, Self::Error> {
+    fn serialize_char(self, _value: char) -> Result<Self::Ok, Self::Error> {
         Err(SerializerError::UnrankableType { type_name: "char" })
     }
 
diff --git a/meilidb-data/src/serde/convert_to_string.rs b/meilidb-data/src/serde/convert_to_string.rs
index 67e592e78..cd109f534 100644
--- a/meilidb-data/src/serde/convert_to_string.rs
+++ b/meilidb-data/src/serde/convert_to_string.rs
@@ -16,7 +16,7 @@ impl ser::Serializer for ConvertToString {
     type SerializeStruct = ser::Impossible<Self::Ok, Self::Error>;
     type SerializeStructVariant = ser::Impossible<Self::Ok, Self::Error>;
 
-    fn serialize_bool(self, value: bool) -> Result<Self::Ok, Self::Error> {
+    fn serialize_bool(self, _value: bool) -> Result<Self::Ok, Self::Error> {
         Err(SerializerError::UnserializableType { type_name: "boolean" })
     }
 
diff --git a/meilidb-data/src/serde/extract_document_id.rs b/meilidb-data/src/serde/extract_document_id.rs
index d7c6bb195..a67ee1441 100644
--- a/meilidb-data/src/serde/extract_document_id.rs
+++ b/meilidb-data/src/serde/extract_document_id.rs
@@ -56,11 +56,11 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
         f64 => serialize_f64,
     }
 
-    fn serialize_str(self, value: &str) -> Result<Self::Ok, Self::Error> {
+    fn serialize_str(self, _value: &str) -> Result<Self::Ok, Self::Error> {
         Err(SerializerError::UnserializableType { type_name: "str" })
     }
 
-    fn serialize_bytes(self, _v: &[u8]) -> Result<Self::Ok, Self::Error> {
+    fn serialize_bytes(self, _value: &[u8]) -> Result<Self::Ok, Self::Error> {
         Err(SerializerError::UnserializableType { type_name: "&[u8]" })
     }
 
diff --git a/meilidb-data/src/serde/indexer.rs b/meilidb-data/src/serde/indexer.rs
index 8eb0b2c67..f9445dca4 100644
--- a/meilidb-data/src/serde/indexer.rs
+++ b/meilidb-data/src/serde/indexer.rs
@@ -2,7 +2,6 @@ use meilidb_core::DocumentId;
 use serde::ser;
 use serde::Serialize;
 
-use crate::database::RawIndex;
 use crate::indexer::Indexer as RawIndexer;
 use crate::schema::SchemaAttr;
 use super::{SerializerError, ConvertToString};
@@ -24,7 +23,7 @@ impl<'a> ser::Serializer for Indexer<'a> {
     type SerializeStruct = StructSerializer<'a>;
     type SerializeStructVariant = ser::Impossible<Self::Ok, Self::Error>;
 
-    fn serialize_bool(self, value: bool) -> Result<Self::Ok, Self::Error> {
+    fn serialize_bool(self, _value: bool) -> Result<Self::Ok, Self::Error> {
         Err(SerializerError::UnindexableType { type_name: "boolean" })
     }
 
diff --git a/meilidb-data/src/serde/serializer.rs b/meilidb-data/src/serde/serializer.rs
index 37b3c7036..1857fe134 100644
--- a/meilidb-data/src/serde/serializer.rs
+++ b/meilidb-data/src/serde/serializer.rs
@@ -4,7 +4,7 @@ use serde::ser;
 use crate::database::RawIndex;
 use crate::ranked_map::RankedMap;
 use crate::indexer::Indexer as RawIndexer;
-use crate::schema::{Schema, SchemaAttr};
+use crate::schema::Schema;
 use super::{SerializerError, ConvertToString, ConvertToNumber, Indexer};
 
 pub struct Serializer<'a> {