diff --git a/tox.ini b/tox.ini
index a53b1ce6..93c7511f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -117,18 +117,13 @@ commands = {toxinidir}/tests/ci/rally_self_job.sh {toxinidir}/rally-jobs/self-ra
 [pytest]
 filterwarnings =
     error
-    ignore:.*EngineFacade is deprecated; please use oslo_db.sqlalchemy.enginefacade*:
-    # instead of ignoring all modules, let's list only libraries that are failing
-    ignore:invalid escape sequence:DeprecationWarning:.*netaddr.*
     ignore:invalid escape sequence:DeprecationWarning:.*prettytable
     ignore:invalid escape sequence:DeprecationWarning:.*subunit.*
-    ignore:invalid escape sequence:DeprecationWarning:.*testtools.*
-    # new to rally-openstack
+    ignore:Using or importing the ABCs:DeprecationWarning:unittest2.*
+    ignore:::.*netaddr.strategy.*
     ignore:Using or importing the ABCs:DeprecationWarning:.*oslo_context.*
     ignore:the imp module is deprecated in favour of importlib.*:DeprecationWarning
-    # should be fixed soon
+    # should be fixed soon (raised by functional job)
     ignore:Module rally_openstack.credential is deprecated.*:
-    # python 3.7
-    ignore:Using or importing the ABCs:DeprecationWarning:unittest2.*
-    # python 3.8
-    ignore:::.*netaddr.strategy.*
\ No newline at end of file
+    # should be fixed at rally framework (raised by functional job)
+    ignore:.*EngineFacade is deprecated; please use oslo_db.sqlalchemy.enginefacade*: