diff --git a/dakiny_bot/classes/pyproject.toml b/dakiny_bot/classes/pyproject.toml
index 357e23b..5962016 100644
--- a/dakiny_bot/classes/pyproject.toml
+++ b/dakiny_bot/classes/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.ruff]
 # Extend the `pyproject.toml` file in the parent directory...
-extend = "../pyproject.toml"
+extend = "../../pyproject.toml"
 
 # Exclude a variety of commonly ignored directories.
 exclude = ["gitea_webhook.py"]
diff --git a/dakiny_bot/database/__init__.py b/dakiny_bot/database/__init__.py
new file mode 100644
index 0000000..960215c
--- /dev/null
+++ b/dakiny_bot/database/__init__.py
@@ -0,0 +1 @@
+"""Module controls connection to Dakiny bot database."""
diff --git a/dakiny_bot/database/pyproject.toml b/dakiny_bot/database/pyproject.toml
deleted file mode 100644
index e3c5aa1..0000000
--- a/dakiny_bot/database/pyproject.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-[tool.ruff]
-# Extend the `pyproject.toml` file in the parent directory...
-extend = "../pyproject.toml"
-
-[tool.ruff.lint]
-# ignore implicit-namespace-package in this directory.
-ignore = ["INP001"]