diff --git a/meilidb-core/src/lib.rs b/meilidb-core/src/lib.rs
index 6d527e381..783740b1b 100644
--- a/meilidb-core/src/lib.rs
+++ b/meilidb-core/src/lib.rs
@@ -4,8 +4,6 @@ mod automaton;
 mod query_builder;
 mod distinct_map;
 
-pub mod write_to_bytes;
-
 use std::sync::Arc;
 use serde::{Serialize, Deserialize};
 
diff --git a/meilidb-core/src/write_to_bytes.rs b/meilidb-core/src/write_to_bytes.rs
deleted file mode 100644
index 4837eb6a3..000000000
--- a/meilidb-core/src/write_to_bytes.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-pub trait WriteToBytes {
-    fn write_to_bytes(&self, bytes: &mut Vec<u8>);
-
-    fn into_bytes(&self) -> Vec<u8> {
-        let mut bytes = Vec::new();
-        self.write_to_bytes(&mut bytes);
-        bytes
-    }
-}