diff --git a/test/test_api_state_thingState.py b/test/test_api_state_thingState.py
index 6d57fed..5a87487 100644
--- a/test/test_api_state_thingState.py
+++ b/test/test_api_state_thingState.py
@@ -57,8 +57,11 @@ class TestThing(testUtils.AbstractTest):
         "required": ["temperature"],
     }
     testLogicalInterfaceName = "python-api-test-dt-li"
+    # Previous tests used an old name so we may need to clean them up
+    testLogicalInterfaceNameOld = "python-api-test-tt-li"
     testThingLISchema = "python-api-test-tt-li-schema"
 
+
     defaultThingState = {"Temperature": 0.0}
 
     testDeviceTypeName = "python-api-test-DeviceType"
@@ -115,7 +118,7 @@ def testCleanup(self):
 
         # delete any left over logical interfaces
         for li in self.appClient.state.draft.logicalInterfaces:
-            if li.name in (TestThing.testLogicalInterfaceName, TestThing.testThingLISchema):
+            if li.name in (TestThing.testLogicalInterfaceName, TestThing.testThingLISchema, TestThing.testLogicalInterfaceNameOld):
                 print("Deleting old test LI: %s" % (li))
                 del self.appClient.state.draft.logicalInterfaces[li.id]
             else: