diff --git a/stdlib/3/queue.pyi b/stdlib/3/queue.pyi
index 1d218c7fc..ae1614f11 100644
--- a/stdlib/3/queue.pyi
+++ b/stdlib/3/queue.pyi
@@ -12,14 +12,18 @@ class Full(Exception): ...
 class Queue(Generic[_T]):
     maxsize = ...  # type: int
     def __init__(self, maxsize: int = ...) -> None: ...
+    def _init(self, maxsize: int) -> None: ...
     def empty(self) -> bool: ...
     def full(self) -> bool: ...
     def get(self, block: bool = ..., timeout: Optional[float] = ...) -> _T: ...
     def get_nowait(self) -> _T: ...
+    def _get(self) -> _T: ...
     def put(self, item: _T, block: bool = ..., timeout: Optional[float] = ...) -> None: ...
     def put_nowait(self, item: _T) -> None: ...
+    def _put(self, item: _T) -> None: ...
     def join(self) -> None: ...
     def qsize(self) -> int: ...
+    def _qsize(self) -> int: ...
     def task_done(self) -> None: ...
 
 class PriorityQueue(Queue): ...