diff --git a/pandas/util/testing.py b/pandas/util/testing.py
index 233eba6490937..d26a2116fb3ce 100644
--- a/pandas/util/testing.py
+++ b/pandas/util/testing.py
@@ -2263,59 +2263,6 @@ def wrapper(*args, **kwargs):
 with_connectivity_check = network
 
 
-class SimpleMock(object):
-
-    """
-    Poor man's mocking object
-
-    Note: only works for new-style classes, assumes  __getattribute__ exists.
-
-    >>> a = type("Duck",(),{})
-    >>> a.attr1,a.attr2 ="fizz","buzz"
-    >>> b = SimpleMock(a,"attr1","bar")
-    >>> b.attr1 == "bar" and b.attr2 == "buzz"
-    True
-    >>> a.attr1 == "fizz" and a.attr2 == "buzz"
-    True
-    """
-
-    def __init__(self, obj, *args, **kwds):
-        assert(len(args) % 2 == 0)
-        attrs = kwds.get("attrs", {})
-        for k, v in zip(args[::2], args[1::2]):
-            # dict comprehensions break 2.6
-            attrs[k] = v
-        self.attrs = attrs
-        self.obj = obj
-
-    def __getattribute__(self, name):
-        attrs = object.__getattribute__(self, "attrs")
-        obj = object.__getattribute__(self, "obj")
-        return attrs.get(name, type(obj).__getattribute__(obj, name))
-
-
-@contextmanager
-def stdin_encoding(encoding=None):
-    """
-    Context manager for running bits of code while emulating an arbitrary
-    stdin encoding.
-
-    >>> import sys
-    >>> _encoding = sys.stdin.encoding
-    >>> with stdin_encoding('AES'): sys.stdin.encoding
-    'AES'
-    >>> sys.stdin.encoding==_encoding
-    True
-
-    """
-    import sys
-
-    _stdin = sys.stdin
-    sys.stdin = SimpleMock(sys.stdin, "encoding", encoding)
-    yield
-    sys.stdin = _stdin
-
-
 def assert_raises_regex(_exception, _regexp, _callable=None,
                         *args, **kwargs):
     r"""