diff --git a/bcg_quality_label.py b/bcg_quality_label.py
index e66dcba..b9bf1cc 100644
--- a/bcg_quality_label.py
+++ b/bcg_quality_label.py
@@ -10,20 +10,17 @@ from logging import NOTSET, getLogger, FileHandler, Formatter, StreamHandler, in
 from time import time, strftime, localtime
 
 import numpy as np
-from PyQt5.QtGui import QFont, QDoubleValidator, QIntValidator
-from pandas import DataFrame, read_csv, read_excel, Series, concat
+from pandas import DataFrame, read_csv
 from matplotlib.ticker import FuncFormatter
-from numpy import load, nan, zeros, append, linspace, place
+from numpy import nan
 from matplotlib import use
-from matplotlib import pyplot as plt, gridspec
+from matplotlib import pyplot as plt
 from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg, NavigationToolbar2QT
 from datetime import datetime
 from pathlib import Path
-from PyQt5.QtCore import QCoreApplication, QTimer
-from PyQt5.QtWidgets import QFileDialog, QMainWindow, QMessageBox, QButtonGroup, QApplication, QTableWidgetItem, \
-    QLineEdit, QAction, QTableWidget
+from PyQt5.QtCore import QCoreApplication
+from PyQt5.QtWidgets import QFileDialog, QMainWindow, QMessageBox, QButtonGroup, QApplication, QTableWidgetItem, QTableWidget
 from scipy import signal
-from scipy.signal import butter, filtfilt, find_peaks
 
 from MainWindow import Ui_MainWindow