diff --git a/integration-tests/test_unregister.py b/integration-tests/test_unregister.py
new file mode 100644
index 000000000..ce92c6608
--- /dev/null
+++ b/integration-tests/test_unregister.py
@@ -0,0 +1,60 @@
+# Copyright (c) 2024 Red Hat, Inc.
+#
+# This software is licensed to you under the GNU General Public
+# License as published by the Free Software Foundation; either version
+# 2 of the License (GPLv2) or (at your option) any later version.
+# There is NO WARRANTY for this software, express or implied,
+# including the implied warranties of MERCHANTABILITY,
+# NON-INFRINGEMENT, or FITNESS FOR A PARTICULAR PURPOSE. You should
+# have received a copy of GPLv2 along with this software; if not, see
+# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+#
+
+
+import pytest
+from utils import loop_until
+from constants import RHSM, RHSM_UNREGISTER
+
+import logging
+from functools import partial
+from dasbus.error import DBusError
+
+logger = logging.getLogger(__name__)
+
+locale = "en_US.UTF-8"
+
+# Tests describe a case when an application unregisters a system.
+#
+# The API should handle even wrong cases friendly
+# - ie. when a system is not registered the API should provide usefull feedback
+
+
+def test_unregister(any_candlepin, subman, test_config):
+    """
+    https://www.candlepinproject.org/docs/subscription-manager/dbus_objects.html#unregister
+    """
+    candlepin_config = partial(test_config.get, "candlepin")
+    subman.register(
+        username=candlepin_config("username"),
+        password=candlepin_config("password"),
+        org=candlepin_config("org"),
+    )
+    loop_until(lambda: subman.is_registered)
+
+    proxy = RHSM.get_proxy(RHSM_UNREGISTER, interface_name=RHSM_UNREGISTER)
+    response = proxy.Unregister({}, locale)
+    assert response is None
+    assert not subman.is_registered
+
+
+def test_unregister_when_system_is_not_registered(any_candlepin, subman, test_config):
+    """
+    https://www.candlepinproject.org/docs/subscription-manager/dbus_objects.html#unregister
+    """
+    proxy = RHSM.get_proxy(RHSM_UNREGISTER, interface_name=RHSM_UNREGISTER)
+    with pytest.raises(DBusError) as excinfo:
+        proxy.Unregister({}, locale)
+
+    logger.debug(f"exception from dbus Unregister call: {excinfo}")
+    assert "This object requires the consumer to be registered before it can be used." in str(excinfo.value)
+    assert not subman.is_registered
diff --git a/systemtest/tests/integration/test.sh b/systemtest/tests/integration/test.sh
index 7349616c4..a92fcf1bb 100755
--- a/systemtest/tests/integration/test.sh
+++ b/systemtest/tests/integration/test.sh
@@ -42,7 +42,6 @@ EOF
 ./integration-tests/scripts/run-local-candlepin.sh
 
 # create testing data in local candlepin
-./integration-tests/scripts/post-activation-keys.sh
 ./integration-tests/scripts/post-environments.sh
 
 # There is a problem with SELinux in current version of selinux-roles (for rhsm.service)