diff --git a/changelog/3635.trivial.rst b/changelog/3635.trivial.rst
new file mode 100644
index 000000000..5354d0df9
--- /dev/null
+++ b/changelog/3635.trivial.rst
@@ -0,0 +1 @@
+Replace broken type annotations with type comments.
diff --git a/src/_pytest/mark/structures.py b/src/_pytest/mark/structures.py
index e3a07f021..9bd89c3c3 100644
--- a/src/_pytest/mark/structures.py
+++ b/src/_pytest/mark/structures.py
@@ -136,9 +136,9 @@ class Mark(object):
     #: name of the mark
     name = attr.ib(type=str)
     #: positional arguments of the mark decorator
-    args = attr.ib(type="List[object]")
+    args = attr.ib()  # type: List[object]
     #: keyword arguments of the mark decorator
-    kwargs = attr.ib(type="Dict[str, object]")
+    kwargs = attr.ib()  # type: Dict[str, object]
 
     def combined_with(self, other):
         """