diff --git a/noxfile.py b/noxfile.py
index 453e97b..54deb3b 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -5,6 +5,8 @@
 
 import nox
 
+nox.options.sessions = ["lint", "test", "docs", "mypy"]
+
 
 @nox.session(reuse_venv=True)
 def lint(session):
diff --git a/pyproject.toml b/pyproject.toml
index 5fea73a..1f9e2fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -115,13 +115,3 @@ using = "PEP631:test;dev;doc"
 
 [tool.codespell]
 ignore-words-list = "copie"
-
-[tool.cruft]
-skip = [
-  "pytest_copie/",
-  "docs/usage.rst",
-  "tests/",
-  ".gitignore",
-  "AUTHORS.rst",
-  "LICENSE",
-]
diff --git a/pytest_copie/__init__.py b/pytest_copie/__init__.py
index d76a495..5c42b3f 100644
--- a/pytest_copie/__init__.py
+++ b/pytest_copie/__init__.py
@@ -3,12 +3,3 @@
 __version__ = "0.0.1"
 __author__ = "Pierrick Rambaud"
 __email__ = "pierrick.rambaud49@gmail.com"
-
-
-def hello_world() -> str:
-    """Hello world demo method.
-
-    Returns:
-        the hello world string
-    """
-    return "hello world !"