diff --git a/ref-test/app/__init__.py b/ref-test/app/__init__.py
index 4d57810..be5f4bf 100644
--- a/ref-test/app/__init__.py
+++ b/ref-test/app/__init__.py
@@ -7,7 +7,6 @@ from flask import flash, Flask, render_template, request
 from flask.helpers import abort, url_for
 from flask.json import jsonify
 from flask_wtf.csrf import CSRFError
-from sqlalchemy.exc import SQLAlchemyError
 from werkzeug.middleware.proxy_fix import ProxyFix
 
 from datetime import datetime
diff --git a/ref-test/app/admin/views.py b/ref-test/app/admin/views.py
index a5bdf6e..5b49cde 100644
--- a/ref-test/app/admin/views.py
+++ b/ref-test/app/admin/views.py
@@ -9,7 +9,6 @@ from ..tools.test import  answer_options, get_correct_answers
 from flask import abort, Blueprint, jsonify, render_template, request, send_file, session
 from flask.helpers import abort, flash, redirect, url_for
 from flask_login import current_user, login_required
-from sqlalchemy.exc import SQLAlchemyError
 
 from datetime import date, datetime, timedelta
 from json import loads
diff --git a/ref-test/app/tools/forms.py b/ref-test/app/tools/forms.py
index df504ce..4273648 100644
--- a/ref-test/app/tools/forms.py
+++ b/ref-test/app/tools/forms.py
@@ -3,12 +3,8 @@ from ..extensions import db
 from ..tools.logs import write
 
 from flask import jsonify
-from sqlalchemy.exc import SQLAlchemyError
 from wtforms.validators import ValidationError
 
-import json
-from sqlalchemy.ext import mutable
-
 def value(min:int=0, max:int=None):
     if not max:
         message = f'Value must be greater than {min}.'
diff --git a/ref-test/app/tools/test.py b/ref-test/app/tools/test.py
index 13c0f16..ec80a38 100644
--- a/ref-test/app/tools/test.py
+++ b/ref-test/app/tools/test.py
@@ -4,7 +4,6 @@ from ..tools.logs import write
 
 from flask import request, session
 from flask.helpers import abort, redirect, url_for
-from sqlalchemy.exc import SQLAlchemyError
 
 from functools import wraps
 
diff --git a/ref-test/app/view/views.py b/ref-test/app/view/views.py
index 53729e6..524fe12 100644
--- a/ref-test/app/view/views.py
+++ b/ref-test/app/view/views.py
@@ -7,7 +7,6 @@ from ..tools.logs import write
 from flask import Blueprint, jsonify, render_template, request
 from flask.helpers import abort, flash, redirect, url_for
 from flask_login import login_required
-from sqlalchemy.exc import SQLAlchemyError
 
 view = Blueprint(
     name='view',
diff --git a/ref-test/reset.py b/ref-test/reset.py
index f0106ea..e74a13c 100644
--- a/ref-test/reset.py
+++ b/ref-test/reset.py
@@ -2,8 +2,6 @@
 from main import app
 from app.models import User
 
-from sqlalchemy.exc import SQLAlchemyError
-
 import sys
 from getpass import getpass