diff --git a/moler/helpers.py b/moler/helpers.py
index c8d0c3a2e..5f9315abc 100644
--- a/moler/helpers.py
+++ b/moler/helpers.py
@@ -584,9 +584,6 @@ def remove_state_from_sm(source_sm: dict, source_transitions: dict, state_to_rem
     :param state_to_remove: name of state to remove
     :return: tuple with 2 dicts without state_to_remove, 0 - new state machine, 1 - new transitions
     """
-    from pprint import pformat
-    print(f"source sm: {pformat(source_sm)}")
-    print(f"source transitions: {pformat(source_transitions)}")
     new_sm = copy.deepcopy(source_sm)
     new_transitions = copy.deepcopy(source_transitions)
 
diff --git a/test/device/test_SM_unix_remote.py b/test/device/test_SM_unix_remote.py
index 42f855d57..d8b8fdab2 100644
--- a/test/device/test_SM_unix_remote.py
+++ b/test/device/test_SM_unix_remote.py
@@ -160,13 +160,16 @@ def test_unix_remote_device_not_connected(device_name):
         execution += 1
 
 
-@pytest.mark.parametrize("devices", [unix_remotes, unix_remotes_proxy_pc])
+@pytest.mark.parametrize("devices", [unix_remotes, unix_remotes_proxy_pc, unix_remotes_real_io])
 def test_unix_sm_identity(devices):
     dev0 = DeviceFactory.get_device(name=devices[0])
     dev1 = DeviceFactory.get_device(name=devices[1])
 
     assert dev0._stored_transitions == dev1._stored_transitions
-    assert dev0._
+    assert dev0._state_hops == dev1._state_hops
+    assert dev0._state_prompts == dev1._state_prompts
+    assert dev0._configurations == dev1._configurations
+    assert dev0._newline_chars == dev1._newline_chars
 
 
 @pytest.fixture