diff --git a/cmapi/cmapi_server/helpers.py b/cmapi/cmapi_server/helpers.py
index a899e3ee6..e022d3503 100644
--- a/cmapi/cmapi_server/helpers.py
+++ b/cmapi/cmapi_server/helpers.py
@@ -11,7 +11,6 @@ import os
 import socket
 import time
 from collections import namedtuple
-from functools import partial
 from random import random
 from shutil import copyfile
 from typing import Tuple, Optional
@@ -603,11 +602,6 @@ def get_dbroots(node, config=DEFAULT_MCS_CONF_PATH):
                     smc_node.find(f"./ModuleDBRootID{i}-{j}-3").text
                 )
 
-    if dbroots and nc.is_read_only():
-        logger = logging.getLogger('dbroots')
-        logger.warning(f'Config contains dbroots {dbroots} for this read-only node, ignoring')
-        return []
-
     return dbroots
 
 
diff --git a/cmapi/cmapi_server/node_manipulation.py b/cmapi/cmapi_server/node_manipulation.py
index 0a3f4c4c7..4c2e2ff1d 100644
--- a/cmapi/cmapi_server/node_manipulation.py
+++ b/cmapi/cmapi_server/node_manipulation.py
@@ -398,7 +398,7 @@ def _remove_node(root, node):
     for n in (root.find("./DesiredNodes"), root.find("./InactiveNodes"), root.find("./ActiveNodes")):
         __remove_helper(n, node)
 
-    read_only_nodes = root.find("./ReadOnlyNodes")
+    read_only_nodes = root.find('./ReadOnlyNodes')
     if read_only_nodes is not None:
         __remove_helper(read_only_nodes, node)
 
@@ -1015,11 +1015,11 @@ def _add_WES(root, pm_num, node):
     etree.SubElement(wes_node, "Port").text = "8630"
 
 
-def _add_read_only_node(root, node) -> None:
-    """Add node name to ReadOnlyNodes if it's not already there"""
-    read_only_nodes = root.find("./ReadOnlyNodes")
+def _add_read_only_node(root: etree.Element, node: str) -> None:
+    '''Add node name to ReadOnlyNodes if it is not already there'''
+    read_only_nodes = root.find('./ReadOnlyNodes')
     if read_only_nodes is None:
-        read_only_nodes = etree.SubElement(root, "ReadOnlyNodes")
+        read_only_nodes = etree.SubElement(root, 'ReadOnlyNodes')
     else:
         for n in read_only_nodes.findall("./Node"):
             if n.text == node:
diff --git a/cmapi/cmapi_server/test/test_node_manip.py b/cmapi/cmapi_server/test/test_node_manip.py
index d52953ed5..195c28649 100644
--- a/cmapi/cmapi_server/test/test_node_manip.py
+++ b/cmapi/cmapi_server/test/test_node_manip.py
@@ -1,7 +1,7 @@
 import logging
 import socket
 import unittest
-from unittest.mock import patch
+from unittest.mock import patch, ANY
 from lxml import etree
 
 from cmapi_server import node_manipulation
@@ -97,7 +97,7 @@ class NodeManipTester(BaseNodeManipTestCase):
 
             mock_rebalance_dbroots.assert_not_called()
             mock_move_primary_node.assert_not_called()
-            mock_add_dbroots_of_other_nodes.assert_called_once_with(root, 2)
+            mock_add_dbroots_of_other_nodes.assert_called_once_with(ANY, 2)
 
             # Test read-only node removal
             node_manipulation.remove_node(
@@ -111,7 +111,7 @@ class NodeManipTester(BaseNodeManipTestCase):
 
             mock_rebalance_dbroots.assert_not_called()
             mock_move_primary_node.assert_not_called()
-            mock_remove_dbroots_of_node.assert_called_once_with(root, 2)
+            mock_remove_dbroots_of_node.assert_called_once_with(ANY, 2)
 
 
     def test_add_dbroots_nodes_rebalance(self):
diff --git a/cmapi/mcs_node_control/models/node_config.py b/cmapi/mcs_node_control/models/node_config.py
index 2943d4c98..c71e39703 100644
--- a/cmapi/mcs_node_control/models/node_config.py
+++ b/cmapi/mcs_node_control/models/node_config.py
@@ -567,11 +567,6 @@ has dbroot {subel.text}')
             for j in range(1, int(smc_node.find(f"./ModuleDBRootCount{i}-3").text) + 1):
                 dbroots.append(smc_node.find(f"./ModuleDBRootID{i}-{j}-3").text)
 
-        # TODO not sure about it
-        if dbroots and self.is_read_only(root):
-            module_logger.warning("Config contains dbroots %s for this read-only node, ignoring", dbroots)
-            return []
-
         return dbroots
 
     def is_read_only(self, root=None) -> bool:
diff --git a/cmapi/pyproject.toml b/cmapi/pyproject.toml
new file mode 100644
index 000000000..c81c64faa
--- /dev/null
+++ b/cmapi/pyproject.toml
@@ -0,0 +1,22 @@
+[tool.ruff]
+line-length = 80
+target-version = "py39"
+# Enable common rule sets
+select = [
+    "E",  # pycodestyle errors
+    "F",  # pyflakes: undefined names, unused imports, etc.
+    "I",  # isort: import sorting
+    "B",  # flake8-bugbear: common bugs and anti-patterns
+    "UP", # pyupgrade: use modern Python syntax
+    "N",  # pep8-naming: naming conventions
+]
+
+ignore = []
+
+# Exclude cache and temporary directories
+exclude = [
+    "__pycache__",
+]
+
+[tool.ruff.format]
+quote-style = "single"