diff --git a/python/testData/inspections/PyAbstractClassInspection/abstract.py b/python/testData/inspections/PyAbstractClassInspection/abstract.py
index 17ceac089023..a12df83d5e3d 100644
--- a/python/testData/inspections/PyAbstractClassInspection/abstract.py
+++ b/python/testData/inspections/PyAbstractClassInspection/abstract.py
@@ -1,9 +1,7 @@
 import abc
 
 
-class A(object):
-    __metaclass__ = abc.ABCMeta
-
+class A(metaclass=abc.ABCMeta):
     @abc.abstractproperty
     def foo(self):
         pass
diff --git a/python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithAbstractMethod.py b/python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithAbstractMethod.py
index e4bd6bde61e4..27502b03bbac 100644
--- a/python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithAbstractMethod.py
+++ b/python/testData/inspections/PyAbstractClassInspection/hiddenForAbstractSubclassWithAbstractMethod.py
@@ -1,9 +1,7 @@
 import abc
 
 
-class A1(object):
-    __metaclass__ = abc.ABCMeta
-
+class A1(metaclass=abc.ABCMeta):
     @abc.abstractmethod
     def m1(self):
         pass
diff --git a/python/testData/inspections/PyAbstractClassInspection/overriddenAsField.py b/python/testData/inspections/PyAbstractClassInspection/overriddenAsField.py
index 5d79ab73af50..d5e31e91ca6e 100644
--- a/python/testData/inspections/PyAbstractClassInspection/overriddenAsField.py
+++ b/python/testData/inspections/PyAbstractClassInspection/overriddenAsField.py
@@ -1,9 +1,7 @@
 import abc
 
 
-class A(object):
-    __metaclass__ = abc.ABCMeta
-
+class A(metaclass=abc.ABCMeta):
     @abc.abstractproperty
     def foo(self):
         pass