diff --git a/.bumpversion.cfg b/.bumpversion.cfg
deleted file mode 100644
index c1f1e604..00000000
--- a/.bumpversion.cfg
+++ /dev/null
@@ -1,9 +0,0 @@
-[bumpversion]
-current_version = 0.4.0
-commit = True
-tag = True
-message = Bump version {current_version} > {new_version} [skip ci]
-
-[bumpversion:file:setup.cfg]
-
-[bumpversion:file:Makefile]
diff --git a/.readthedocs.yml b/.readthedocs.yml
deleted file mode 100644
index 1121f1eb..00000000
--- a/.readthedocs.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-version: 2
-build:
-  os: ubuntu-20.04
-  tools:
-    python: "3.12"
-sphinx:
-  configuration: docs/conf.py
-formats: all
-python:
-  install:
-    - requirements: docs/requirements.txt
-    - path: .
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 67ada4a1..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,4 +0,0 @@
-include LICENSE.txt
-include README.md
-# include requirements.txt
-recursive-include src/invoice2data/extract/templates/ *.*
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 164681af..00000000
--- a/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-pypi-release:
-	bumpversion patch
-	# bumpversion minor
-	git push upstream master
-	git push upstream master --tags
-	python setup.py sdist bdist_egg
-	twine upload dist/invoice2data-0.4.0*