diff --git a/src/app/client.rs b/src/app/client.rs
index da490c4..0b03bd2 100644
--- a/src/app/client.rs
+++ b/src/app/client.rs
@@ -7,27 +7,24 @@ use anyhow::Result;
 use nkode_rs::nkode_core::nkode_cipher::NKodeCipher;
 use nkode_rs::from_bytes::FromBytes;
 use nkode_rs::nkode_core::chacha20prng::Nonce;
-use crate::repository::client_app::repos::ClientRepo;
 
 pub struct Login;
 pub struct Register;
 
 
-pub struct ClientAppKey<State, S: ServerAPI, R: ClientRepo> {
+pub struct ClientAppKey<State, S: ServerAPI> {
     api: S,
-    repo: R,
     email: Email,
     user_secret_key: UserSecretKey,
     _state: PhantomData<State>
 }
 
-impl <S: ServerAPI, R: ClientRepo> ClientAppKey<Register,S, R> {
-    pub async fn register(self) -> Result<ClientAppKey<Login, S, R>, String> {
+impl <S: ServerAPI> ClientAppKey<Register,S> {
+    pub async fn register(self) -> Result<ClientAppKey<Login, S>, String> {
         // self.repo.set_secret_key(&self.email, &self.user_secret_key).await?;
         self.api.register_key(&self.email, &self.user_secret_key).await?;
         Ok(ClientAppKey {
             api: self.api,
-            repo: self.repo,
             email: self.email,
             user_secret_key: self.user_secret_key,
             _state: PhantomData::<Login>,
@@ -35,11 +32,10 @@ impl <S: ServerAPI, R: ClientRepo> ClientAppKey<Register,S, R> {
     }
 }
 
-impl <S: ServerAPI, R: ClientRepo> ClientAppKey<Login,S, R> {
-    pub async fn login(self) -> Result<ClientAppKeyLoggedIn<S,R>,String> {
+impl <S: ServerAPI> ClientAppKey<Login,S> {
+    pub async fn login(self) -> Result<ClientAppKeyLoggedIn<S>,String> {
         let key_login = self.api.login_key(&self.email, &self.user_secret_key).await?;
         Ok(ClientAppKeyLoggedIn{
-            repo: self.repo,
             api: self.api,
             email: self.email,
             user_secret_key: self.user_secret_key,
@@ -48,15 +44,14 @@ impl <S: ServerAPI, R: ClientRepo> ClientAppKey<Login,S, R> {
     }
 }
 
-pub struct ClientAppKeyLoggedIn<S: ServerAPI, R: ClientRepo> {
-    repo: R,
+pub struct ClientAppKeyLoggedIn<S: ServerAPI> {
     api: S,
     email: Email,
     user_secret_key: UserSecretKey,
     key_login: KeyLoginSession,
 }
 
-impl <S: ServerAPI, R: ClientRepo> ClientAppKeyLoggedIn<S, R> {
+impl <S: ServerAPI> ClientAppKeyLoggedIn<S> {
     pub async fn register_code(self) -> Result<ClientAppCodeRegister<S>, String> {
         let icon_nonce = Nonce::new();
         let icons = self.get_icons(&icon_nonce).await?;
diff --git a/src/repository/client_app/mod.rs b/src/repository/client_app/mod.rs
deleted file mode 100644
index 8723567..0000000
--- a/src/repository/client_app/mod.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub mod repos;
\ No newline at end of file
diff --git a/src/repository/client_app/repos.rs b/src/repository/client_app/repos.rs
deleted file mode 100644
index e67885f..0000000
--- a/src/repository/client_app/repos.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-use crate::models::app::CodeLoginData;
-use crate::models::email::Email;
-use crate::models::opaque::UserSecretKey;
-
-pub trait ClientRepo {
-    // async fn get_secret_key(&self) -> anyhow::Result<UserSecretKey, String>;
-    // async fn set_secret_key(&self, email: &Email,user_secret_key: &UserSecretKey) -> anyhow::Result<(),String>;
-    // async fn get_login_data(&self) -> anyhow::Result<CodeLoginData, String>;
-    // async fn set_login_data(&self, data: CodeLoginData) -> anyhow::Result<(), String>;
-    // async fn set_email(&self, email: &Email) -> anyhow::Result<(), String>;
-    // async fn get_email(&self) -> anyhow::Result<Email, String>;
-}
\ No newline at end of file
diff --git a/src/repository/mod.rs b/src/repository/mod.rs
index e37d699..5517533 100644
--- a/src/repository/mod.rs
+++ b/src/repository/mod.rs
@@ -1,2 +1 @@
 pub mod opaque;
-pub(crate) mod client_app;