diff --git a/model/src/lib.rs b/model/src/lib.rs
index b66b30b..408b198 100644
--- a/model/src/lib.rs
+++ b/model/src/lib.rs
@@ -1,4 +1,6 @@
 use serde::{Deserialize, Serialize};
+use chrono::prelude::*;
+use std::collections::HashSet;
 
 #[derive(PartialEq, Eq, Debug, Serialize, Deserialize, Clone)]
 pub struct BindRequest {
@@ -36,3 +38,10 @@ pub struct Group {
     pub display_name: String,
     pub users: Vec<String>,
 }
+
+#[derive(Clone, Serialize, Deserialize)]
+pub struct JWTClaims {
+    pub exp: DateTime<Utc>,
+    pub user: String,
+    pub groups: HashSet<String>,
+}
diff --git a/src/infra/tcp_server.rs b/src/infra/tcp_server.rs
index 67e6f33..0f01155 100644
--- a/src/infra/tcp_server.rs
+++ b/src/infra/tcp_server.rs
@@ -18,7 +18,6 @@ use futures_util::TryFutureExt;
 use hmac::{Hmac, NewMac};
 use jwt::{SignWithKey, VerifyWithKey};
 use log::*;
-use serde::{Deserialize, Serialize};
 use sha2::Sha512;
 use std::collections::HashSet;
 use std::path::PathBuf;
@@ -27,13 +26,6 @@ use time::ext::NumericalDuration;
 type Token<S> = jwt::Token<jwt::Header, JWTClaims, S>;
 type SignedToken = Token<jwt::token::Signed>;
 
-#[derive(Serialize, Deserialize)]
-struct JWTClaims {
-    exp: DateTime<Utc>,
-    user: String,
-    groups: HashSet<String>,
-}
-
 async fn index(req: HttpRequest) -> actix_web::Result<NamedFile> {
     let mut path = PathBuf::new();
     path.push("app");