diff --git a/stubs/autobahn/util.pyi b/stubs/autobahn/util.pyi
deleted file mode 100644
--- a/stubs/autobahn/util.pyi
+++ /dev/null
@@ -1,56 +0,0 @@
-# Stubs for autobahn.util (Python 3)
-#
-# NOTE: This dynamically typed stub was automatically generated by stubgen.
-
-from typing import Any, Optional
-
-def public(obj: Any): ...
-def encode_truncate(text: Any, limit: Any, encoding: str = ..., return_encoded: bool = ...): ...
-def xor(d1: Any, d2: Any): ...
-def utcstr(ts: Optional[Any] = ...): ...
-def utcnow(): ...
-
-class IdGenerator:
-    def __init__(self) -> None: ...
-    def next(self): ...
-    def __next__(self): ...
-
-def rid(): ...
-def id(): ...
-def newid(length: int = ...): ...
-def generate_token(char_groups: Any, chars_per_group: Any, chars: Optional[Any] = ..., sep: Optional[Any] = ..., lower_case: bool = ...): ...
-def generate_activation_code(): ...
-def generate_user_password(): ...
-def generate_serial_number(): ...
-def rtime(): ...
-
-class Stopwatch:
-    def __init__(self, start: bool = ...) -> None: ...
-    def elapsed(self): ...
-    def pause(self): ...
-    def resume(self): ...
-    def stop(self): ...
-
-class Tracker:
-    tracker: Any = ...
-    tracked: Any = ...
-    def __init__(self, tracker: Any, tracked: Any) -> None: ...
-    def track(self, key: Any) -> None: ...
-    def diff(self, start_key: Any, end_key: Any, formatted: bool = ...): ...
-    def absolute(self, key: Any): ...
-    def __getitem__(self, key: Any): ...
-    def __iter__(self): ...
-
-class EqualityMixin:
-    def __eq__(self, other: Any): ...
-    def __ne__(self, other: Any): ...
-
-class ObservableMixin:
-    def set_valid_events(self, valid_events: Optional[Any] = ...) -> None: ...
-    def on(self, event: Any, handler: Any) -> None: ...
-    def off(self, event: Optional[Any] = ..., handler: Optional[Any] = ...) -> None: ...
-    def fire(self, event: Any, *args: Any, **kwargs: Any): ...
-
-class _LazyHexFormatter:
-    obj: Any = ...
-    def __init__(self, obj: Any) -> None: ...