diff --git a/stubs/rx/internal/utils.pyi b/stubs/rx/internal/utils.pyi
deleted file mode 100644
--- a/stubs/rx/internal/utils.pyi
+++ /dev/null
@@ -1,21 +0,0 @@
-# Stubs for rx.internal.utils (Python 3)
-#
-# NOTE: This dynamically typed stub was automatically generated by stubgen.
-
-from .exceptions import DisposedException
-from typing import Any
-
-def add_ref(xs: Any, r: Any): ...
-def adapt_call(func: Any): ...
-def check_disposed(this: Any) -> None: ...
-def is_future(p: Any): ...
-
-class TimeInterval:
-    value: Any = ...
-    interval: Any = ...
-    def __init__(self, value: Any, interval: Any) -> None: ...
-
-class Timestamp:
-    value: Any = ...
-    timestamp: Any = ...
-    def __init__(self, value: Any, timestamp: Any) -> None: ...