diff --git a/stdlib/2and3/_random.pyi b/stdlib/2and3/_random.pyi
index a37149da0..ec21c420e 100644
--- a/stdlib/2and3/_random.pyi
+++ b/stdlib/2and3/_random.pyi
@@ -8,10 +8,10 @@ _State = Tuple[int, ...]
 
 class Random(object):
     def __init__(self, seed: object = ...) -> None: ...
-    def seed(self, x: object = ...) -> None: ...
+    def seed(self, __n: object = ...) -> None: ...
     def getstate(self) -> _State: ...
-    def setstate(self, state: _State) -> None: ...
+    def setstate(self, __state: _State) -> None: ...
     def random(self) -> float: ...
-    def getrandbits(self, k: int) -> int: ...
+    def getrandbits(self, __k: int) -> int: ...
     if sys.version_info < (3,):
         def jumpahead(self, i: int) -> None: ...