diff --git a/src/dbsconnector/databases.py b/src/dbsconnector/databases.py
index 2dc5f0f..48a8d07 100644
--- a/src/dbsconnector/databases.py
+++ b/src/dbsconnector/databases.py
@@ -1,10 +1,7 @@
 # importing necessary libraries
 import pandas as pd
 from pathlib import Path
-import pymysql
 from pymongo.mongo_client import MongoClient
-from typing import Optional
-
 
 # load csv file:
 def load_csv(filepath:str, delimiter:str):