diff --git a/Cargo.toml b/Cargo.toml
index 48353ab..b776c0f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,8 +21,6 @@ authors = [
 [dependencies]
 mongodb = { version = "1.1.1", default-features = false, features = ["async-std-runtime"] }
 async-session = "2.0.0"
-async-trait = "0.1.36"
-serde_json = "1.0.56"
 
 [dev-dependencies]
 async-std = { version = "1.8.0", features = ["attributes"] }
diff --git a/src/lib.rs b/src/lib.rs
index ad30af8..f7819ed 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,8 +16,7 @@
 #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)]
 
 use async_session::chrono::{Duration, Utc};
-use async_session::{Result, Session, SessionStore};
-use async_trait::async_trait;
+use async_session::{async_trait, Result, Session, SessionStore};
 use mongodb::bson;
 use mongodb::bson::doc;
 use mongodb::options::{ReplaceOptions, SelectionCriteria};