diff --git a/tests/ag33220a.py b/tests/ag33220a.py
deleted file mode 100644
index cf46b1e6..00000000
--- a/tests/ag33220a.py
+++ /dev/null
@@ -1,132 +0,0 @@
-import unittest
-
-from utils.test_modes import TestModes
-from utils.channel_access import ChannelAccess
-from utils.ioc_launcher import get_default_ioc_dir
-from utils.testing import skip_if_recsim, get_running_lewis_and_ioc
-
-
-DEVICE_PREFIX = "AG33220A_01"
-emulator_name = "ag33220a"
-
-IOCS = [
-    {
-        "name": DEVICE_PREFIX,
-        "directory": get_default_ioc_dir("AG33220A"),
-        "macros": {},
-        "emulator": emulator_name,
-    },
-]
-
-
-TEST_MODES = [TestModes.DEVSIM]
-
-
-class Ag33220aTests(unittest.TestCase):
-    def setUp(self):
-        self._lewis, self._ioc = get_running_lewis_and_ioc(emulator_name, DEVICE_PREFIX)
-        self.ca = ChannelAccess(device_prefix=DEVICE_PREFIX, default_timeout=30)
-        self.ca.assert_that_pv_exists("DISABLE", timeout=30)
-        self.reset_values()
-
-    def reset_values(self):
-        self._lewis.backdoor_set_on_device('connected', True)
-        self.ca.set_pv_value("AMPLITUDE:SP", 0.1)
-        self.ca.set_pv_value("FREQUENCY:SP", 1000)
-        self.ca.set_pv_value("OFFSET:SP", 0)
-        self.ca.set_pv_value("FUNCTION:SP", 0)
-
-    def test_WHEN_amplitude_change_to_5_THEN_readback_is_5(self):
-        self.ca.set_pv_value("AMPLITUDE:SP", 5)
-        self.ca.assert_that_pv_is("AMPLITUDE", 5)
-
-    def test_WHEN_units_changed_to_1_THEN_vrms_is_returned(self):
-        self.ca.set_pv_value("UNITS:SP", 1)
-        self.ca.assert_that_pv_is("UNITS", "VRMS")
-
-    def test_WHEN_output_changed_THEN_the_expected_output_string_is_read_back(self):
-        self.ca.set_pv_value("OUTPUT:SP", 1)
-        self.ca.assert_that_pv_is("OUTPUT", "ON")
-        self.ca.set_pv_value("OUTPUT:SP", 0)
-        self.ca.assert_that_pv_is("OUTPUT", "OFF")
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_frequency_is_set_higher_than_allowed_THEN_it_is_limited(self):
-        self.ca.set_pv_value("FREQUENCY:SP", 1*10**8)
-        self.ca.assert_that_pv_is("FREQUENCY", 2*10**7)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_a_change_in_function_over_the_maximum_THEN_the_frequency_is_changed(self):
-        self.ca.set_pv_value("FREQUENCY:SP", 1e8)
-        self.ca.set_pv_value("FUNCTION:SP", 2)
-        self.ca.assert_that_pv_is("FREQUENCY", 2*10**5)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_volt_high_is_set_lower_than_volt_low_THEN_volt_low_is_reduced(self):
-        self.ca.set_pv_value("VOLT:HIGH:SP", 1)
-        self.ca.set_pv_value("VOLT:LOW:SP", -1)
-        self.ca.set_pv_value("VOLT:HIGH:SP", -2)
-        self.ca.assert_that_pv_is("VOLT:HIGH", -2)
-        self.ca.assert_that_pv_is("VOLT:LOW", -2.01)
-        self.ca.assert_that_pv_is("AMPLITUDE", 0.01)
-        self.ca.assert_that_pv_is("OFFSET", -2.005)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_change_in_volt_low_to_below_range_THEN_value_is_limited(self):
-        self.ca.set_pv_value("VOLT:LOW:SP", -10)
-        self.ca.set_pv_value("VOLT:HIGH:SP", 0)
-        self.ca.assert_that_pv_is("VOLT:LOW", -5)
-        self.ca.assert_that_pv_is("AMPLITUDE", 5)
-        self.ca.assert_that_pv_is("OFFSET", -2.5)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_GIVEN_idn_request_WHEN_read_THEN_expected_idn_is_returned(self):
-        self.ca.assert_that_pv_is("IDN", "Agilent Technologies,33220A")
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_offset_set_to_2_and_half_and_amplitude_to_5_THEN_volt_high_is_5_and_volt_low_is_0(self):
-        self.ca.set_pv_value("OFFSET:SP", 2.5)
-        self.ca.set_pv_value("AMPLITUDE:SP", 5)
-        self.ca.assert_that_pv_is("VOLT:HIGH", 5)
-        self.ca.assert_that_pv_is("VOLT:LOW", 0)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_offset_set_to_0_and_2_THEN_volt_low_is_neg_1_and_high_is_1(self):
-        self.ca.set_pv_value("OFFSET:SP", 0)
-        self.ca.set_pv_value("AMPLITUDE:SP", 2)
-        self.ca.assert_that_pv_is("VOLT:HIGH", 1)
-        self.ca.assert_that_pv_is("VOLT:LOW", -1)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_amplitude_set_to_less_than_min_THEN_amplitude_is_limited(self):
-        self.ca.set_pv_value("AMPLITUDE:SP", 0)
-        self.ca.assert_that_pv_is("AMPLITUDE", 0.01)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_offset_changed_to_cause_voltage_larger_than_max_THEN_amplitude_reduced(self):
-        self.ca.set_pv_value("OFFSET:SP", 0)
-        self.ca.set_pv_value("AMPLITUDE:SP", 6)
-
-        self.ca.set_pv_value("OFFSET:SP", 3)
-
-        self.ca.assert_that_pv_is("OFFSET", 3)
-        self.ca.assert_that_pv_is("AMPLITUDE", 4)
-        self.ca.assert_that_pv_is("VOLT:LOW", 1)
-        self.ca.assert_that_pv_is("VOLT:HIGH", 5)
-
-    @skip_if_recsim("In rec sim this test fails")
-    def test_WHEN_amplitude_changed_to_cause_voltage_larger_than_max_THEN_offset_reduced(self):
-        self.ca.set_pv_value("OFFSET:SP", 3)
-        self.ca.set_pv_value("AMPLITUDE:SP", 2)
-
-        self.ca.set_pv_value("AMPLITUDE:SP", 6)
-
-        self.ca.assert_that_pv_is("OFFSET", 2)
-        self.ca.assert_that_pv_is("AMPLITUDE", 6)
-        self.ca.assert_that_pv_is("VOLT:LOW", -1)
-        self.ca.assert_that_pv_is("VOLT:HIGH", 5)
-
-    @skip_if_recsim("Can not test disconnection in rec sim")
-    def test_GIVEN_device_not_connected_WHEN_get_status_THEN_alarm(self):
-        self._lewis.backdoor_set_on_device('connected', False)
-        self.ca.assert_that_pv_alarm_is('FREQUENCY', ChannelAccess.Alarms.INVALID)