diff --git a/lint.py b/lint.py
deleted file mode 100755
index 56089b8..0000000
--- a/lint.py
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env python3
-import os
-import sys
-
-
-def main():
-    exclude_dirs_flag = ""
-    if not os.path.exists("setup.cfg"):
-        exclude_dirs_flag = (
-            "--exclude .git,__pycache__,docs/conf.py,old,build,dist,venv"
-        )
-    additional_flags_both_steps = "--count --statistics"
-    additional_flags_first_step = "--select=E9,F63,F7,F82 --show-source"
-    flake8_first_step_cmd = (
-        f"flake8 . {additional_flags_both_steps} "
-        f"{additional_flags_first_step} {exclude_dirs_flag}"
-    )
-    status = os.system(flake8_first_step_cmd)
-    if os.name == "nt":
-        if status != 0:
-            print(f"Flake8 linter errors with status {status}")
-    else:
-        if os.WEXITSTATUS(status) != 0:
-            print(f"Flake8 linter errors with status {status}")
-            sys.exit(0)
-    additional_flags_second_step = "--exit-zero --max-complexity=10"
-    if not os.path.exists("setup.cfg"):
-        pass
-    flake8_second_step_cmd = (
-        f"flake8 . {additional_flags_both_steps}  {additional_flags_second_step}"
-        f" {exclude_dirs_flag}"
-    )
-    os.system(flake8_second_step_cmd)
-
-
-if __name__ == "__main__":
-    main()
diff --git a/release_checklist.md b/release-checklist.md
similarity index 69%
rename from release_checklist.md
rename to release-checklist.md
index 0941a0d..8e77571 100644
--- a/release_checklist.md
+++ b/release-checklist.md
@@ -1,6 +1,8 @@
 Checklist for new releases
 ========
 
+The steps shown here are for Ubuntu/MacOS.
+
 # Pre-Release
 
 1. Make sure the docs build with Sphinx, using `make html` inside the
@@ -14,6 +16,13 @@ Checklist for new releases
 6. Run linter script `flake8 .`
 7. Wait for CI/CD results. This also runs the tests on different operating systems
 
+# Release
+
+1. Deleting existing distribution: `rm dist/*`
+2. Build the package. Requires the `build` package: `python3 -m build`
+3. Upload the source and build distribution: `python3 -m twine upload dist/*`. You might require
+   a PyPI upload token to do this.
+
 # Post-Release
 
 1. Create new release on `GitHub` based on the release branch. This also creates