diff --git a/scripts/diffContingencies.py b/scripts/diffContingencies.py
index 90af59e9..f3564c14 100644
--- a/scripts/diffContingencies.py
+++ b/scripts/diffContingencies.py
@@ -15,7 +15,6 @@
 import argparse
 import json
 import iidmDiff
-import zipfile
 import constraintsDiff
 try:
     from itertools import zip_longest
@@ -35,7 +34,6 @@ def get_argparser():
     parser.add_argument("root", type=str, help="Root directory to process")
     parser.add_argument("testdir", type=str, help="Test directory to process")
     parser.add_argument("config", type=str, help="Simulation configuration file")
-    parser.add_argument("--output-zip", type=str, help="zip archive to process")
 
     return parser
 
@@ -48,17 +46,6 @@ def compare_file(options, contingency_folder, chosen_outputs):
 
     if buildType == "Debug" or buildType == "Release" or buildType == "Coverage":
 
-        if options.output_zip:
-            zip_archive_parent_directory = os.path.join(options.root, "resultsTestsTmp", options.testdir)
-            zip_archive_path = os.path.join(zip_archive_parent_directory, options.output_zip)
-            unzipped_archive_path = zip_archive_parent_directory
-            try:
-                with zipfile.ZipFile(zip_archive_path, "r") as zip_ref:
-                    zip_ref.extractall(unzipped_archive_path)
-            except FileNotFoundError:
-                print("[ERROR] " + zip_archive_path + " is missing")
-                nb_differences += 1
-
         if buildType == "Debug" or (buildType == "Release" and "STEADYSTATE" in chosen_outputs) or buildType == "Coverage":
             # output IIDM
             result_path = full_path(