diff --git a/olaflow/processing/sws_ola.py b/olaflow/processing/sws_ola.py
index 7b416be..578d92c 100644
--- a/olaflow/processing/sws_ola.py
+++ b/olaflow/processing/sws_ola.py
@@ -2,9 +2,7 @@ import argparse
 import configparser
 import logging
 import pathlib
-import re
 
-import matplotlib.pyplot as plt
 import numpy as np
 from scipy import interpolate