diff --git a/net/knot-resolver6/patches/040-manager-drop-prometheus.patch b/net/knot-resolver6/patches/040-manager-drop-prometheus.patch
deleted file mode 100644
index 58797a630..000000000
--- a/net/knot-resolver6/patches/040-manager-drop-prometheus.patch
+++ /dev/null
@@ -1,104 +0,0 @@
-Index: knot-resolver6-6.0.6/manager/knot_resolver_manager/server.py
-===================================================================
---- knot-resolver6-6.0.6.orig/manager/knot_resolver_manager/server.py
-+++ knot-resolver6-6.0.6/manager/knot_resolver_manager/server.py
-@@ -19,7 +19,7 @@ from aiohttp.web_runner import AppRunner
- from typing_extensions import Literal
- 
- import knot_resolver_manager.utils.custom_atexit as atexit
--from knot_resolver_manager import log, statistics
-+from knot_resolver_manager import log
- from knot_resolver_manager.compat import asyncio as asyncio_compat
- from knot_resolver_manager.config_store import ConfigStore
- from knot_resolver_manager.constants import DEFAULT_MANAGER_CONFIG_FILE, PID_FILE_NAME, init_user_constants
-@@ -185,7 +185,6 @@ class Server:
-             }
-         )
- 
--    @statistics.async_timing_histogram(statistics.MANAGER_REQUEST_RECONFIGURE_LATENCY)
-     async def _handler_config_query(self, request: web.Request) -> web.Response:
-         """
-         Route handler for changing resolver configuration
-@@ -237,7 +236,7 @@ class Server:
- 
-     async def _handler_metrics(self, _request: web.Request) -> web.Response:
-         return web.Response(
--            body=await statistics.report_stats(),
-+            body="",
-             content_type="text/plain",
-             charset="utf8",
-         )
-@@ -515,10 +514,6 @@ async def start_server(config: Path = DE
-         # can flush the buffer into the proper place
-         await log.logger_init(config_store)
- 
--        # With configuration on hand, we can initialize monitoring. We want to do this before any subprocesses are
--        # started, therefore before initializing manager
--        await statistics.init_monitoring(config_store)
--
-         # prepare instance of the server (no side effects)
-         server = Server(config_store, config)
- 
-Index: knot-resolver6-6.0.6/manager/pyproject.toml
-===================================================================
---- knot-resolver6-6.0.6.orig/manager/pyproject.toml
-+++ knot-resolver6-6.0.6/manager/pyproject.toml
-@@ -20,7 +20,6 @@ jinja2 = "*"
- pyyaml = "*"
- supervisor = "*"
- typing-extensions = "*"
--prometheus-client = "*"
- 
- [tool.poetry.group.dev.dependencies]
- poetry = "^1.4.2"
-Index: knot-resolver6-6.0.6/manager/setup.py
-===================================================================
---- knot-resolver6-6.0.6.orig/manager/setup.py
-+++ knot-resolver6-6.0.6/manager/setup.py
-@@ -21,7 +21,6 @@ package_data = \
- install_requires = \
- ['aiohttp',
-  'jinja2',
-- 'prometheus-client',
-  'pyyaml',
-  'supervisor',
-  'typing-extensions']
-Index: knot-resolver6-6.0.6/manager/knot_resolver_manager/kresd_controller/interface.py
-===================================================================
---- knot-resolver6-6.0.6.orig/manager/knot_resolver_manager/kresd_controller/interface.py
-+++ knot-resolver6-6.0.6/manager/knot_resolver_manager/kresd_controller/interface.py
-@@ -10,7 +10,6 @@ from weakref import WeakValueDictionary
- from knot_resolver_manager.constants import kresd_config_file
- from knot_resolver_manager.datamodel.config_schema import KresConfig
- from knot_resolver_manager.exceptions import SubprocessControllerException
--from knot_resolver_manager.statistics import register_resolver_metrics_for, unregister_resolver_metrics_for
- from knot_resolver_manager.utils.async_utils import writefile
- 
- logger = logging.getLogger(__name__)
-@@ -100,7 +99,6 @@ class Subprocess(ABC):
-     def __init__(self, config: KresConfig, kid: KresID) -> None:
-         self._id = kid
-         self._config = config
--        self._metrics_registered: bool = False
- 
-     async def start(self) -> None:
-         # create config file
-@@ -108,9 +106,6 @@ class Subprocess(ABC):
-         await writefile(kresd_config_file(self._config, self.id), lua_config)
-         try:
-             await self._start()
--            if self.type is SubprocessType.KRESD:
--                register_resolver_metrics_for(self)
--                self._metrics_registered = True
-         except SubprocessControllerException as e:
-             kresd_config_file(self._config, self.id).unlink()
-             raise e
-@@ -126,8 +121,6 @@ class Subprocess(ABC):
-         await self._restart()
- 
-     async def stop(self) -> None:
--        if self._metrics_registered:
--            unregister_resolver_metrics_for(self)
-         await self._stop()
-         await self.cleanup()
-