diff --git a/src/_pytest/mark/structures.py b/src/_pytest/mark/structures.py
index 2c4635bf4..ef2757d62 100644
--- a/src/_pytest/mark/structures.py
+++ b/src/_pytest/mark/structures.py
@@ -315,7 +315,7 @@ def _marked(func, mark):
     return any(mark == info.combined for info in func_mark)
 
 
-@attr.s
+@attr.s(repr=False)
 class MarkInfo(object):
     """ Marking object created by :class:`MarkDecorator` instances. """