diff --git a/sample_app.py b/sample_app.py
index 1138c64..ff9ef40 100644
--- a/sample_app.py
+++ b/sample_app.py
@@ -6,7 +6,6 @@
 # See also https://docs.cyfronet.pl/display/ISDOC/Creating+Custom+Applications
 
 import numpy as np
-import matplotlib.pyplot as plt
 
 def main(numbers_file, multiplier):
     """
@@ -23,7 +22,4 @@ def main(numbers_file, multiplier):
     numbers = np.genfromtxt(numbers_file, comments="#", delimiter=",", unpack=False)
     numbers = numbers[~np.isnan(numbers)]
     numbers = np.array(numbers).flatten()
-    multiplied_numbers = numbers * multiplier
-    plt.figure()
-    plt.plot(multiplied_numbers)
-    plt.savefig('multiplied_numbers_plot.png')
\ No newline at end of file
+    multiplied_numbers = numbers * multiplier
\ No newline at end of file