1 files changed, 2 insertions, 2 deletions
diff --git a/sphinx/util/inspect.py b/sphinx/util/inspect.py
index 1c38caa25..211703e07 100644
--- a/sphinx/util/inspect.py
+++ b/sphinx/util/inspect.py
@@ -317,7 +317,7 @@ def is_builtin_class_method(obj, attr_name):
     return getattr(builtins, safe_getattr(cls, '__name__', '')) is cls  # type: ignore
 
 
-class Parameter(object):
+class Parameter:
     """Fake parameter class for python2."""
     POSITIONAL_ONLY = 0
     POSITIONAL_OR_KEYWORD = 1
@@ -334,7 +334,7 @@ class Parameter(object):
         self.annotation = self.empty
 
 
-class Signature(object):
+class Signature:
     """The Signature object represents the call signature of a callable object and
     its return annotation.
     """