diff --git a/test/util.py b/test/util.py
index b691deb..e21fdb8 100644
--- a/test/util.py
+++ b/test/util.py
@@ -112,7 +112,7 @@
             "   current core pattern is: %s" % corefmt)
 
 
-class NumericConstant(object):
+class NumericConstant:
 
     desc_dict = {}
 
@@ -131,7 +131,7 @@
         return ""
 
 
-class Host(object):
+class Host:
     """ Generic test host "connected" to VPPs interface. """
 
     @property