diff --git a/buildbot_nix/irc_notify.py b/buildbot_nix/irc_notify.py
deleted file mode 100644
index 8c70826..0000000
--- a/buildbot_nix/irc_notify.py
+++ /dev/null
@@ -1,150 +0,0 @@
-import base64
-import re
-import socket
-import ssl
-import threading
-from typing import Any, Generator, Optional
-from urllib.parse import urlparse
-
-from buildbot.reporters.base import ReporterBase
-from buildbot.reporters.generators.build import BuildStatusGenerator
-from buildbot.reporters.message import MessageFormatter
-from twisted.internet import defer
-
-DEBUG = False
-
-
-def _irc_send(
-    server: str,
-    nick: str,
-    channel: str,
-    sasl_password: Optional[str] = None,
-    server_password: Optional[str] = None,
-    tls: bool = True,
-    port: int = 6697,
-    messages: list[str] = [],
-) -> None:
-    if not messages:
-        return
-
-    # don't give a shit about legacy ip
-    sock = socket.socket(family=socket.AF_INET6)
-    if tls:
-        sock = ssl.wrap_socket(
-            sock, cert_reqs=ssl.CERT_NONE, ssl_version=ssl.PROTOCOL_TLSv1_2
-        )
-
-    def _send(command: str) -> int:
-        if DEBUG:
-            print(command)
-        return sock.send((f"{command}\r\n").encode())
-
-    def _pong(ping: str) -> None:
-        if ping.startswith("PING"):
-            sock.send(ping.replace("PING", "PONG").encode("ascii"))
-
-    recv_file = sock.makefile(mode="r")
-
-    print(f"connect {server}:{port}")
-    sock.connect((server, port))
-    if server_password:
-        _send(f"PASS {server_password}")
-    _send(f"USER {nick} 0 * :{nick}")
-    _send(f"NICK {nick}")
-    for line in recv_file.readline():
-        if re.match(r"^:[^ ]* (MODE|221|376|422) ", line):
-            break
-        else:
-            _pong(line)
-
-    if sasl_password:
-        _send("CAP REQ :sasl")
-        _send("AUTHENTICATE PLAIN")
-        auth = base64.encodebytes(f"{nick}\0{nick}\0{sasl_password}".encode("ascii"))
-        _send(f"AUTHENTICATE {auth.decode('ascii')}")
-        _send("CAP END")
-    _send(f"JOIN :{channel}")
-
-    for m in messages:
-        _send(f"PRIVMSG {channel} :{m}")
-
-    _send("INFO")
-    for line in recv_file:
-        if DEBUG:
-            print(line, end="")
-        # Assume INFO reply means we are done
-        if "End of /INFO" in line:
-            break
-        else:
-            _pong(line)
-
-    sock.send(b"QUIT")
-    print("disconnect")
-    sock.close()
-
-
-def irc_send(
-    url: str, notifications: list[str], password: Optional[str] = None
-) -> None:
-    parsed = urlparse(f"{url}")
-    username = parsed.username or "prometheus"
-    server = parsed.hostname or "chat.freenode.net"
-    if parsed.fragment != "":
-        channel = f"#{parsed.fragment}"
-    else:
-        channel = "#krebs-announce"
-    port = parsed.port or 6697
-    if not password:
-        password = parsed.password
-    if len(notifications) == 0:
-        return
-    # put this in a thread to not block buildbot
-    t = threading.Thread(
-        target=_irc_send,
-        kwargs=dict(
-            server=server,
-            nick=username,
-            sasl_password=password,
-            channel=channel,
-            port=port,
-            messages=notifications,
-            tls=parsed.scheme == "irc+tls",
-        ),
-    )
-    t.start()
-
-
-subject_template = """\
-{{ '☠' if result_names[results] == 'failure' else '☺' if result_names[results] == 'success' else '☝' }} \
-{{ build['properties'].get('project', ['whole buildset'])[0] if is_buildset else buildername }} \
-- \
-{{ build['state_string'] }} \
-{{ '(%s)' % (build['properties']['branch'][0] if (build['properties']['branch'] and build['properties']['branch'][0]) else build['properties'].get('got_revision', ['(unknown revision)'])[0]) }} \
-({{ build_url }})
-"""  # # noqa pylint: disable=line-too-long
-
-
-class NotifyFailedBuilds(ReporterBase):
-    def _generators(self) -> list[BuildStatusGenerator]:
-        formatter = MessageFormatter(template_type="plain", subject=subject_template)
-        return [BuildStatusGenerator(message_formatter=formatter)]
-
-    def checkConfig(self, url: str) -> None:
-        super().checkConfig(generators=self._generators())
-
-    @defer.inlineCallbacks
-    def reconfigService(self, url: str) -> Generator[Any, object, Any]:
-        self.url = url
-        yield super().reconfigService(generators=self._generators())
-
-    def sendMessage(self, reports: list) -> None:
-        msgs = []
-        for r in reports:
-            build = r["builds"][0]
-            buildername = build["builder"]["name"]
-            # We don't want to report individual failures here to not spam the channel.
-            if buildername != "nix-eval":
-                continue
-            if build["state_string"] != "build successful":
-                msgs.append(r["subject"])
-        irc_send(self.url, notifications=msgs)
diff --git a/buildbot_nix/master.py b/buildbot_nix/master.py
index b48c560..4525e7e 100644
--- a/buildbot_nix/master.py
+++ b/buildbot_nix/master.py
@@ -20,7 +20,6 @@ from buildbot_nix import (  # noqa: E402
     nix_update_flake_config,
 )
 from github_projects import GithubProject, load_projects  # noqa: E402
-from irc_notify import NotifyFailedBuilds  # noqa: E402
 
 
 def read_secret_file(secret_name: str) -> str:
@@ -192,9 +191,7 @@ def build_config() -> dict[str, Any]:
             # we use `virtual_builder_name` in the webinterface
             # so that we distinguish what has beeing build
             context=Interpolate("buildbot/%(prop:status_name)s"),
-        ),
-        # Notify on irc
-        NotifyFailedBuilds("irc://buildbot|mic92@irc.r:6667/#xxx"),
+        )
     ]
 
     systemd_secrets = secrets.SecretInAFile(dirname=credentials)