diff --git a/gremlin-client/src/client.rs b/gremlin-client/src/client.rs
index b3e49e4..98535de 100644
--- a/gremlin-client/src/client.rs
+++ b/gremlin-client/src/client.rs
@@ -1,4 +1,3 @@
-use crate::io::IoProtocol;
 use crate::message::Response;
 use crate::pool::GremlinConnectionManager;
 use crate::process::traversal::Bytecode;
diff --git a/gremlin-client/src/io/mod.rs b/gremlin-client/src/io/mod.rs
index 846c46d..1a8ae4a 100644
--- a/gremlin-client/src/io/mod.rs
+++ b/gremlin-client/src/io/mod.rs
@@ -9,15 +9,13 @@ use crate::message::{ReponseStatus, RequestIdV2, Response, ResponseResult};
 use crate::process::traversal::{Order, Scope};
 use crate::structure::{Cardinality, Direction, GValue, Merge, T};
 use graph_binary_v1::GraphBinaryV1Deser;
-use serde::{Deserialize as SerdeDeserialize, Deserializer};
 use serde_derive::Deserialize;
 use serde_json::{json, Map, Value};
 use std::collections::HashMap;
-use std::convert::TryInto;
 use std::string::ToString;
 use uuid::Uuid;
 
-use crate::{io::graph_binary_v1::GraphBinaryV1Ser, GKey, GremlinError, GremlinResult, Message};
+use crate::{io::graph_binary_v1::GraphBinaryV1Ser, GremlinError, GremlinResult, Message};
 
 #[derive(Debug, Clone, PartialEq)]
 pub enum IoProtocol {
diff --git a/gremlin-client/tests/graph_binary_read_write_cycle.rs b/gremlin-client/tests/graph_binary_read_write_cycle.rs
index 4e782f7..667e45e 100644
--- a/gremlin-client/tests/graph_binary_read_write_cycle.rs
+++ b/gremlin-client/tests/graph_binary_read_write_cycle.rs
@@ -1,12 +1,10 @@
 use std::array::IntoIter;
-use std::collections::{HashMap, HashSet};
+use std::collections::HashMap;
 
-use chrono::{DateTime, TimeZone, Utc};
+use chrono::{TimeZone, Utc};
 use common::io::graph_serializer;
 use gremlin_client::{
-    process::traversal::{
-        traversal, Bytecode, GraphTraversal, GraphTraversalSource, Scope, SyncTerminator,
-    },
+    process::traversal::{traversal, GraphTraversalSource, SyncTerminator},
     GValue, IoProtocol,
 };
 use rstest::rstest;