diff --git a/docs/examples/events/bubble01.py b/docs/examples/events/bubble01.py
deleted file mode 100644
index 5084273ef..000000000
--- a/docs/examples/events/bubble01.py
+++ /dev/null
@@ -1,27 +0,0 @@
-from textual.app import App, ComposeResult
-
-from textual.widgets import Static, TextLog
-
-
-class BubbleApp(App):
-
-    CSS = """
-    
-
-    
-    
-    """
-
-    def compose(self) -> ComposeResult:
-        Static("Foo", id="static")
-        yield TextLog()
-
-    def on_key(self) -> None:
-        log = self.query_one(TextLog)
-        self.query_one(TextLog).write(self.tree)
-        log.write(repr((log.size, log.virtual_size)))
-
-
-app = BubbleApp()
-if __name__ == "__main__":
-    app.run()
diff --git a/src/textual/css/scalar.py b/src/textual/css/scalar.py
index fb017c075..5edaec995 100644
--- a/src/textual/css/scalar.py
+++ b/src/textual/css/scalar.py
@@ -191,11 +191,6 @@ class Scalar(NamedTuple):
             return "auto"
         return f"{int(value) if value.is_integer() else value}{self.symbol}"
 
-    @property
-    def is_flexible(self) -> bool:
-        """Check if this unit is flexible (resolves relative to another dimension)."""
-        return self.unit != Unit.CELLS
-
     @property
     def is_cells(self) -> bool:
         """Check if the Scalar is explicit cells."""
diff --git a/src/textual/css/styles.py b/src/textual/css/styles.py
index ead1632f9..0c94e445c 100644
--- a/src/textual/css/styles.py
+++ b/src/textual/css/styles.py
@@ -870,7 +870,7 @@ class RenderStyles(StylesBase):
 
     @property
     def animate(self) -> BoundAnimator:
-        """Get an animator to animate attributes on this widget.
+        """Get an animator to animate style.
 
         Example:
             ```python
diff --git a/src/textual/message_pump.py b/src/textual/message_pump.py
index 8584dedf2..c53a68373 100644
--- a/src/textual/message_pump.py
+++ b/src/textual/message_pump.py
@@ -480,22 +480,6 @@ class MessagePump(metaclass=MessagePumpMeta):
         self._message_queue.put_nowait(message)
         return True
 
-    def forward_message(self, target: MessagePump, message: Message) -> None:
-        """Forward a message. Ensures that a message is sent after processing all messages
-        in this message pump.
-
-        Args:
-            target (MessagePump): Where to forward the message to.
-            message (Message): The message.
-        """
-
-        forward = messages.ForwardMessage(self, target, message)
-        self._message_queue.put_nowait(forward)
-        self.check_idle()
-
-    async def _on_forward_message(self, message: messages.ForwardMessage) -> None:
-        await message.target.post_message(message.message)
-
     async def _post_message_from_child(self, message: Message) -> bool:
         if self._closing or self._closed:
             return False
diff --git a/src/textual/messages.py b/src/textual/messages.py
index 3751558d7..2b1ff4792 100644
--- a/src/textual/messages.py
+++ b/src/textual/messages.py
@@ -79,18 +79,3 @@ class TerminalSupportsSynchronizedOutput(Message):
     Used to make the App aware that the terminal emulator supports synchronised output.
     @link https://gist.github.com/christianparpart/d8a62cc1ab659194337d73e399004036
     """
-
-
-@rich.repr.auto
-class ForwardMessage(Message):
-    def __init__(
-        self, sender: MessagePump, target: MessagePump, message: Message
-    ) -> None:
-        super().__init__(sender)
-        self.target = target
-        self.message = message
-
-    def __rich_repr__(self) -> rich.repr.Result:
-        yield from super().__rich_repr__()
-        yield "target", self.target
-        yield "message", self.message
diff --git a/src/textual/widget.py b/src/textual/widget.py
index cb7c2cc7b..88bcaf276 100644
--- a/src/textual/widget.py
+++ b/src/textual/widget.py
@@ -243,7 +243,6 @@ class Widget(DOMNode):
         Args:
             value (bool): Show horizontal scrollbar flag.
         """
-        # self.refresh(layout=True)
         if not value:
             # reset the scroll position if the scrollbar is hidden.
             self.scroll_to(0, 0, animate=False)
@@ -254,7 +253,6 @@ class Widget(DOMNode):
         Args:
             value (bool): Show vertical scrollbar flag.
         """
-        # self.refresh(layout=True)
         if not value:
             # reset the scroll position if the scrollbar is hidden.
             self.scroll_to(0, 0, animate=False)
@@ -1465,12 +1463,15 @@ class Widget(DOMNode):
             self._container_size = container_size
             if self.is_scrollable:
                 self._scroll_update(virtual_size)
-                # self.refresh(layout=True)
-                # self.scroll_to(self.scroll_x, self.scroll_y)
             else:
                 self.refresh()
 
-    def _scroll_update(self, virtual_size):
+    def _scroll_update(self, virtual_size: Size) -> None:
+        """Update scrollbars visiblity and dimensions.
+
+        Args:
+            virtual_size (Size): Virtual size.
+        """
         self._refresh_scrollbars()
         width, height = self.container_size
         if self.show_vertical_scrollbar: