diff --git a/src/lib.rs b/src/lib.rs
index 69a7eb8..33381b2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,3 @@
-extern crate byteorder;
-extern crate serde_json;
-
 use serde::{Deserialize, Serialize};
 
 use std::cell::Cell;