diff --git a/backend/app.py b/backend/app.py
index 4ad67288546bcdf5ede7c9611a0f5fcd44226b61..8326e0f318a401b9196c84fc82e759f459c72f90 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -1,5 +1,5 @@
 import os
-from flask import Flask, request
+from flask import Flask
 from config import Config
 from flask_security import Security, SQLAlchemyUserDatastore, hash_password
 from models_shared import db, User, Role
diff --git a/backend/routes_auth.py b/backend/routes_auth.py
index 92b89acd4999c7eaf71212a80367e7fcad5ab68f..7c98bf39b9278555121c86cd83dcf1cf11405f4b 100644
--- a/backend/routes_auth.py
+++ b/backend/routes_auth.py
@@ -1,9 +1,5 @@
-from flask import Blueprint, render_template, current_app, jsonify, request
-from models_shared import db, User
-from sqlalchemy import select
-
-from flask_security import auth_required, hash_password, logout_user, verify_password, login_user
-from flask_security import current_user
+from flask import Blueprint, current_app, jsonify, request
+from flask_security import auth_required, logout_user, verify_password, login_user
 
 auth = Blueprint("auth", __name__)
 
diff --git a/backend/routes_default.py b/backend/routes_default.py
index 554ac7f4c34946eb8c9daffc55471ef2f7345dd9..dbadc6add8f20d027fa53653e707009824979f14 100644
--- a/backend/routes_default.py
+++ b/backend/routes_default.py
@@ -1,10 +1,9 @@
 import re
 from flask import Blueprint
-from flask import send_from_directory, render_template, jsonify
+from flask import render_template, jsonify
 from flask import current_app, request 
 from flask_security import hash_password, login_user, verify_password
-from models_shared import db, User
-from sqlalchemy import select
+
 
 default = Blueprint("default", __name__)