diff --git a/home-manager/users/jal.nix b/home-manager/users/jal.nix
index 5c3bc01..e3d0c51 100644
--- a/home-manager/users/jal.nix
+++ b/home-manager/users/jal.nix
@@ -190,7 +190,6 @@ in
         home.packages = with pkgs; [
           mycli
           timetrap
-          tradebyte-attendance
           tradebyte-vpn
 
           # common
diff --git a/pkgs/default.nix b/pkgs/default.nix
index ecc094e..af012ad 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -10,7 +10,6 @@ in
   pretix-banktool = callPackage ./pretix/pretix-banktool.nix { };
   pretix-static = callPackage ./pretix/pretix-static.nix { };
   tabbed-box-maker = callPackage ./tabbed-box-maker { };
-  tradebyte-attendance = callPackage ./tradebyte-attendance { };
   vesc-firmware = callPackage ./vesc-tool/firmware.nix { };
   vesc-tool = callPackage ./vesc-tool/tool.nix { };
 }
diff --git a/pkgs/tradebyte-attendance/default.nix b/pkgs/tradebyte-attendance/default.nix
deleted file mode 100644
index 84d04d4..0000000
--- a/pkgs/tradebyte-attendance/default.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{ pkgs, python3Packages }:
-
-python3Packages.buildPythonApplication rec {
-  pname = "tradebyte-attendance";
-  version = "0.0.1";
-
-  src = ./.;
-
-  propagatedBuildInputs = [
-    python3Packages.slack-sdk
-    pkgs.timetrap
-    pkgs.pass
-  ];
-}
diff --git a/pkgs/tradebyte-attendance/setup.py b/pkgs/tradebyte-attendance/setup.py
deleted file mode 100644
index bee6866..0000000
--- a/pkgs/tradebyte-attendance/setup.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from setuptools import setup, find_packages
-
-setup(
-    name="tradebyte_attendance",
-    version="0.0.1",
-    author="jalr",
-    author_email="mail@jalr.de",
-    description="Send attendance messages to slack channel",
-    packages=find_packages(),
-    entry_points={
-        "console_scripts": [
-            "tradebyte-attendance = tradebyte_attendance.__init__:main",
-        ],
-    },
-)
diff --git a/pkgs/tradebyte-attendance/tradebyte_attendance/__init__.py b/pkgs/tradebyte-attendance/tradebyte_attendance/__init__.py
deleted file mode 100644
index 458c627..0000000
--- a/pkgs/tradebyte-attendance/tradebyte_attendance/__init__.py
+++ /dev/null
@@ -1,94 +0,0 @@
-import argparse
-import datetime
-import random
-import subprocess
-
-from slack_sdk import WebClient
-
-
-class Anwesenheit:
-    _slack_client = None
-
-    @property
-    def slack_client(self):
-        if self._slack_client is None:
-            token = get_pass("slack/token/anwesenheit")[0]
-            self._slack_client = WebClient(
-                token=token,
-            )
-        return self._slack_client
-
-    def timetrap(self, cmd):
-        subprocess.call(["timetrap", cmd])
-
-    def send_anwesenheit_slack(self, channel, message):
-        self.slack_client.chat_postMessage(channel=channel, text=message)
-
-    def morning(self, test):
-        messages = ["Good morning"]
-        self.set_state(messages, "in", test)
-
-    def lunch(self, test):
-        messages = ["Lunch"]
-        self.set_state(messages, "out", test)
-
-    def back(self, test):
-        messages = ["back"]
-        self.set_state(messages, "in", test)
-
-    def bye(self, test):
-        if datetime.datetime.today().weekday() == 4:  # Friday!
-            messages = [
-                "Bye, have a nice weekend everyone!",
-                "Bye, enjoy your weekend",
-                "I'm out, have a nice weekend!",
-                "Have a nice weekend everyone!",
-            ]
-        else:
-            messages = [
-                "See you tomorrow!",
-                "Bye, have a nice evening!",
-                "I'm out for today",
-                "Bye",
-                "That's it for today, see you tomorrow.",
-            ]
-        self.set_state(messages, "out", test)
-
-    def set_state(self, messages, state, test_mode):
-        self.timetrap(state)
-        message = random.choice(messages)
-        channel = "jal-test" if test_mode else "ccs-attendance"
-        self.send_anwesenheit_slack(channel, message)
-
-
-def get_pass(title):
-    return subprocess.check_output(["pass", "show", title], text=True).splitlines()
-
-
-def main():
-    parser = argparse.ArgumentParser()
-    command_subparsers = parser.add_subparsers(dest="command", required=True)
-    command_arguments = {
-        "--test": {
-            "action": "store_true",
-            "help": "publish message to test channel",
-        },
-    }
-    for command, command_help, arguments in (
-        ("morning", "Send greeting message in the morning", ("--test",)),
-        ("lunch", "Send message at lunch time", ("--test",)),
-        ("back", "Send message when returning to work", ("--test",)),
-        ("bye", "Send goodbye message", ("--test",)),
-    ):
-        command_parser = command_subparsers.add_parser(command, help=command_help)
-        for argument in arguments:
-            command_parser.add_argument(argument, **command_arguments[argument])
-
-    args = vars(parser.parse_args())
-    anwesenheit = Anwesenheit()
-    fn = getattr(anwesenheit, args.pop("command").replace("-", "_"))
-    fn(**args)
-
-
-if __name__ == "__main__":
-    main()