diff --git a/tests/sumitomo_F70.py b/tests/sumitomo_F70.py
deleted file mode 100644
index a2ff311f..00000000
--- a/tests/sumitomo_F70.py
+++ /dev/null
@@ -1,37 +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, skip_if_recsim
-import time
-
-DEVICE_PREFIX = "SMTOF70_01"
-
-
-IOCS = [
-    {
-        "name": DEVICE_PREFIX,
-        "directory": get_default_ioc_dir("SMTOF70"),
-        "macros": {},
-    },
-]
-
-TEST_MODES = [TestModes.RECSIM]
-
-class SumitomoF70Tests(unittest.TestCase):
-    """
-    Tests for the SMToF70 IOC.
-    """
-    def setUp(self):
-        self.ca = ChannelAccess(device_prefix=DEVICE_PREFIX, default_timeout=5)
-        
-    def test_WHEN_setup_THEN_values_correct(self):
-        self.ca.set_pv_value("SIM:OpHours", 10.0)
-        self.ca.set_pv_value("SIM:HeReturnPress", 12.0)
-        self.ca.set_pv_value("SIM:HeTemp", 3.0)
-        time.sleep(5)
-        self.ca.assert_that_pv_is("Firmware", "test firmware")
-        self.ca.assert_that_pv_is("OpHours", 10.0)
-        self.ca.assert_that_pv_is("HeReturnPress", 12.0)
-        self.ca.assert_that_pv_is("HeTemp", 3.0)