diff --git a/eval_chart.py b/eval_chart.py
index ebd1627..6faa539 100644
--- a/eval_chart.py
+++ b/eval_chart.py
@@ -1,9 +1,7 @@
 import openpyxl
 import numpy as np
 import matplotlib.pyplot as plt
-import cv2
 from sklearn.linear_model import LinearRegression
-import sys
 
 
 def read_excel(filename: str, range_str: str, sheet_no: int = 0) -> np.array:
diff --git a/requirements.txt b/requirements.txt
index 861396c..7bc79d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,3 @@
 numpy
 openpyxl
 pillow
-opencv-python