diff --git a/tests/machine/test_machine_actions.py b/tests/machine/test_machine_actions.py
index 3f8510f..79f53a9 100644
--- a/tests/machine/test_machine_actions.py
+++ b/tests/machine/test_machine_actions.py
@@ -1,5 +1,3 @@
-from zipfile import sizeCentralDir
-
 import pytest
 from azure.mgmt.compute.v2018_10_01.models import InstanceViewStatus, \
     RunCommandResult
diff --git a/tests/test__init__.py b/tests/test__init__.py
index 72d97d5..564061e 100644
--- a/tests/test__init__.py
+++ b/tests/test__init__.py
@@ -2,8 +2,6 @@
 from chaosazure import __get_cloud_env_by_name, init_client,\
     init_resource_graph_client
 from chaoslib.exceptions import InterruptExecution    
-from azure.mgmt.compute import ComputeManagementClient
-from azure.mgmt.resourcegraph import ResourceGraphClient
 from logzero import logger
 from unittest.mock import MagicMock, patch, ANY
 from msrestazure.azure_cloud import AZURE_PUBLIC_CLOUD, \
@@ -16,9 +14,9 @@
 }
 
 SECRETS = {
-    "client_id": "8d997de9-9daf-43a1-98c3-04f91a64b62f",
-    "client_secret": "oIAznMsOFRazS/S603EF30oXS7mivghDUQd14qjOotI=",
-    "tenant_id": "9652d7c2-1ccf-4940-8151-4a92ss474ed0"
+    "client_id": "***REMOVED***",
+    "client_secret": "***REMOVED***",
+    "tenant_id": "***REMOVED***"
 }
 
 SECRETS_CHINA = {