diff --git a/Makefile b/Makefile
index d5ace8e..d4c37ed 100644
--- a/Makefile
+++ b/Makefile
@@ -7,10 +7,6 @@ DOCKER_CONTEXT_PREPROD			:=	cookie-pulsheberg
 
 .PHONY: logs
 
-# ifeq ($(OS),Windows_NT)
-# else
-# endif
-
 all: start-f logs
 
 start:
@@ -46,11 +42,6 @@ exec:
 exec-pp:
 	@scripts/docker_service_exec.sh $(DOCKER_SERVICE_PREPROD) $(DOCKER_CONTEXT_PREPROD)
 
-env-setup:
-	@python3 -m venv $(VENV_NAME)
-	@make env
-	@pip install -r requirements.txt
-
 dev:
 	@docker compose -f $(DOCKER_COMPOSE_FILE_DEV) up -d --remove-orphans --build
 
diff --git a/README.md b/README.md
index 7a51750..0876ff8 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,15 @@ Feel free to fork the project while adhering to the license and acknowledging th
 
 For seamless integration of your modifications, submitting pull requests to the original bot version is recommended.
 
+## Setup local project
+
+Install virtual python environnement on Unix
+```
+python -m venv .venv
+source ./.venv/bin/activate
+pip install -r requirements.txt
+```
+
 ## License
 
 [MIT](https://choosealicense.com/licenses/mit/)
diff --git a/scripts/environnement.py b/scripts/environnement.py
index a48c8c3..7678679 100644
--- a/scripts/environnement.py
+++ b/scripts/environnement.py
@@ -1,6 +1,10 @@
 import argparse
 import subprocess
 import sys
+import os
+import shutil
+
+from pathlib import Path
 
 def build_image():
 	subprocess.run("docker build -t local/pyramid .", shell=True)
@@ -11,11 +15,26 @@ def build_images_archs():
 def remove_dangling_images():
 	subprocess.run("docker --log-level debug image prune -f", shell=True)
 
+def clean_python_cache(directory):
+	count = 0
+	for root, dirs, files in os.walk(directory):
+		if '__pycache__' in dirs:
+			shutil.rmtree(os.path.join(root, '__pycache__'))
+			count += 1
+		if '.pytest_cache' in dirs:
+			shutil.rmtree(os.path.join(root, '.pytest_cache'))
+			count += 1
+		if '.coverage' in files:
+			os.remove(os.path.join(root, '.coverage'))
+			count += 1
+	print(f"{count} python cache was deleted.")
+
 def parse_arguments():
 	parser = argparse.ArgumentParser(description="Manage application environnement")
 	parser.add_argument("--images-purge", action="store_true", help="Remove all Docker images without tags.")
 	parser.add_argument("--build", action="store_true", help="Build docker image.")
 	parser.add_argument("--build-archs", action="store_true", help="Build docker images for all supported arch.")
+	parser.add_argument("--clean", action="store_true", help="Delete python cache.")
 	return parser.parse_args()
 
 def main():
@@ -28,6 +47,10 @@ def main():
 		build_images_archs()
 	elif args.images_purge:
 		remove_dangling_images()
+	elif args.clean:
+		current_file_directory = Path(__file__).resolve().parent
+		parent_directory = current_file_directory.parent
+		clean_python_cache(parent_directory)
 	else:
 		print("No action specified. Use --help for usage information.")
 		return