diff --git a/tests/dh2000.py b/tests/dh2000.py
deleted file mode 100644
index dc641e64..00000000
--- a/tests/dh2000.py
+++ /dev/null
@@ -1,114 +0,0 @@
-import unittest
-
-from utils.channel_access import ChannelAccess
-from utils.ioc_launcher import get_default_ioc_dir
-from utils.test_modes import TestModes
-from utils.testing import get_running_lewis_and_ioc
-
-from parameterized import parameterized
-
-DEVICE_PREFIX = "DH2000_01"
-
-
-IOCS = [
-    {
-        "name": DEVICE_PREFIX,
-        "directory": get_default_ioc_dir("DH2000"),
-        "macros": {},
-        "emulator": "dh2000",
-    },
-]
-
-
-TEST_MODES = [TestModes.DEVSIM ]
-
-
-class Dh2000Tests(unittest.TestCase):
-    """
-    Tests for the Dh2000 IOC.
-    """
-    def setUp(self):
-        self._lewis, self._ioc = get_running_lewis_and_ioc("dh2000", DEVICE_PREFIX)
-        self.ca = ChannelAccess(device_prefix=DEVICE_PREFIX)
-
-        self._lewis.backdoor_set_on_device("shutter_is_open", False)
-        self._lewis.backdoor_set_on_device("interlock_is_triggered", False)
-        self._lewis.backdoor_set_on_device("is_connected", True)
-
-        self.ca.assert_that_pv_is("SHUTTER:A", "Closed")
-        self.ca.assert_that_pv_is("INTERLOCK", "OK")
-
-    @parameterized.expand([
-        ("shutter_open_interlock_off", True, False),
-        ("shutter_closed_interlock_off", False, False),
-        ("shutter_closed_interlock_on", False, True)
-    ])
-    def test_GIVEN_device_in_a_state_WHEN_status_requested_THEN_shutter_and_interlock_status_returned(self, _, shutter_is_open, interlock_is_triggered):
-        # GIVEN
-        self._lewis.backdoor_set_on_device("shutter_is_open", shutter_is_open)
-        self._lewis.backdoor_set_on_device("interlock_is_triggered", interlock_is_triggered)
-
-        # THEN
-        self.ca.assert_that_pv_is("INTERLOCK", "TRIGGERED" if interlock_is_triggered else "OK")
-        self.ca.assert_that_pv_is("SHUTTER:A", "Open" if shutter_is_open else "Closed")
-
-    def test_GIVEN_shutter_open_WHEN_interlock_triggered_THEN_shutter_closes(self):
-        self._lewis.backdoor_set_on_device("shutter_is_open", True)
-        self._lewis.backdoor_set_on_device("interlock_is_triggered", False)
-
-        # GIVEN
-        self.ca.assert_that_pv_is("SHUTTER:A", "Open")
-        self.ca.assert_that_pv_is("INTERLOCK", "OK")
-
-        # WHEN
-        self._lewis.backdoor_set_on_device("interlock_is_triggered", True)
-
-        # THEN
-        self.ca.assert_that_pv_is("INTERLOCK", "TRIGGERED")
-        self.ca.assert_that_pv_is("SHUTTER:A", "Closed")
-
-    def test_GIVEN_shutter_open_WHEN_shutter_close_requested_THEN_shutter_closes(self):
-        # GIVEN
-        self._lewis.backdoor_set_on_device("shutter_is_open", True)
-        self.ca.assert_that_pv_is("SHUTTER:A", "Open")
-
-        # WHEN
-        self.ca.set_pv_value("SHUTTER:A:SP", "Close")
-
-        # THEN
-        self.ca.assert_that_pv_is("SHUTTER:A", "Closed")
-
-    def test_GIVEN_shutter_closed_and_interlock_not_triggered_WHEN_shutter_open_requested_THEN_shutter_opens(self):
-        # GIVEN
-        self.ca.assert_that_pv_is("INTERLOCK", "OK")
-        self.ca.assert_that_pv_is("SHUTTER:A", "Closed")
-
-        # WHEN
-        self.ca.set_pv_value("SHUTTER:A:SP", "Open")
-
-        # THEN
-        self.ca.assert_that_pv_is("SHUTTER:A", "Open")
-
-    def test_GIVEN_shutter_closed_and_interlock_triggered_WHEN_shutter_open_requested_THEN_shutter_does_not_open(self):
-        # GIVEN
-        self._lewis.backdoor_set_on_device("interlock_is_triggered", True)
-        self.ca.assert_that_pv_is("INTERLOCK", "TRIGGERED")
-        self.ca.assert_that_pv_is("SHUTTER:A", "Closed")
-
-        # WHEN
-        self.ca.set_pv_value("SHUTTER:A:SP", "Open")
-
-        # THEN
-        self.ca.assert_that_pv_is("SHUTTER:A", "Closed")
-
-    def test_GIVEN_interlock_triggered_THEN_interlock_PV_has_major_alarm(self):
-        # GIVEN
-        self._lewis.backdoor_set_on_device("interlock_is_triggered", True)
-
-        self.ca.assert_that_pv_alarm_is("INTERLOCK", self.ca.Alarms.MAJOR)
-
-    def test_GIVEN_disconnected_device_THEN_interlock_and_shutter_status_show_INVALID(self):
-        self._lewis.backdoor_set_on_device("is_connected", False)
-
-        self.ca.assert_that_pv_alarm_is("SHUTTER:A", self.ca.Alarms.INVALID)
-        self.ca.assert_that_pv_alarm_is("INTERLOCK", self.ca.Alarms.INVALID)