diff --git a/gfe_examples/live_io/live_io.py b/gfe_examples/live_io/live_io.py
index 6bdbc411..1ec45f39 100644
--- a/gfe_examples/live_io/live_io.py
+++ b/gfe_examples/live_io/live_io.py
@@ -48,7 +48,7 @@ def start_sending(label, c):
 
 
 def end_sim(label, c):
-    # pylint: disable=unused-argument
+    # pylint: disable=unused-argument,global-statement
     global running
     running = False
 
diff --git a/spinnaker_graph_front_end/__init__.py b/spinnaker_graph_front_end/__init__.py
index eb3362bf..9542e3ca 100644
--- a/spinnaker_graph_front_end/__init__.py
+++ b/spinnaker_graph_front_end/__init__.py
@@ -113,6 +113,7 @@ def setup(model_binary_module=None,
     :raise ~spinn_front_end_common.utilities.exceptions.ConfigurationException:
         if mutually exclusive options are given.
     """
+    # pylint: disable=global-statement
     global __simulator
     # pylint: disable=redefined-outer-name
     logger.info(
@@ -223,6 +224,7 @@ def add_machine_vertex_instance(machine_vertex):
     app_vertex = AbstractOneAppOneMachineVertex(
         machine_vertex, machine_vertex.label)
     FecDataView.add_vertex(app_vertex)
+    # pylint: disable=protected-access
     machine_vertex._app_vertex = app_vertex