diff --git a/setup.py b/setup.py
index 2b6e25713..96bffccfa 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ extras_require = {
         'html5lib',
         'flake8>=3.5.0',
         'flake8-import-order',
-        'mypy>=0.710',
+        'mypy>=0.711',
         'docutils-stubs',
     ],
 }
diff --git a/sphinx/util/inspect.py b/sphinx/util/inspect.py
index c49708242..42530eb40 100644
--- a/sphinx/util/inspect.py
+++ b/sphinx/util/inspect.py
@@ -129,7 +129,7 @@ def isenumattribute(x):
 def ispartial(obj):
     # type: (Any) -> bool
     """Check if the object is partial."""
-    return isinstance(obj, (partial, partialmethod))  # type: ignore
+    return isinstance(obj, (partial, partialmethod))
 
 
 def isclassmethod(obj):