diff --git a/whitecanvas/canvas/_base.py b/whitecanvas/canvas/_base.py
index aef0b470..526a37a1 100644
--- a/whitecanvas/canvas/_base.py
+++ b/whitecanvas/canvas/_base.py
@@ -19,7 +19,6 @@
 from cmap import Color
 from numpy.typing import ArrayLike
 from psygnal import Signal, SignalGroup
-from typing_extensions import deprecated
 
 from whitecanvas import layers as _l
 from whitecanvas import protocols, theme
@@ -49,7 +48,6 @@
     OrientationLike,
     Rect,
     Symbol,
-    _Void,
 )
 from whitecanvas.utils.normalize import as_array_1d, normalize_xy
 from whitecanvas.utils.type_check import is_real_number
@@ -62,7 +60,6 @@
 
 _L = TypeVar("_L", bound=_l.Layer)
 _L0 = TypeVar("_L0", _l.Bars, _l.Band)
-_void = _Void()
 
 
 class CanvasEvents(SignalGroup):
@@ -734,22 +731,6 @@ def stack_over(self, layer: _L0) -> StackOverPlotter[Self, _L0]:
     def between(self, l0, l1) -> BetweenPlotter[Self]:
         return BetweenPlotter(self, l0, l1)
 
-    @deprecated(
-        "ImageRef is deprecated and will be removed in the future. "
-        "Please use the Image methods `with_text`, `with_colorbar` instead.",
-    )
-    def imref(self, layer: _l.Image):
-        """The Image reference namespace."""
-        from whitecanvas.canvas._imageref import ImageRef
-
-        while isinstance(layer, _l.LayerWrapper):
-            layer = layer._base_layer
-        if not isinstance(layer, _l.Image):
-            raise TypeError(
-                f"Expected an Image layer or its wrapper, got {type(layer)}."
-            )
-        return ImageRef(self, layer)
-
     def fit(self, layer: _l.DataBoundLayer[_P]) -> FitPlotter[Self, _P]:
         """The fit plotter namespace."""
         return FitPlotter(self, layer)
diff --git a/whitecanvas/canvas/_imageref.py b/whitecanvas/canvas/_imageref.py
deleted file mode 100644
index 28516aa6..00000000
--- a/whitecanvas/canvas/_imageref.py
+++ /dev/null
@@ -1,56 +0,0 @@
-# pragma: no cover
-from __future__ import annotations
-
-import weakref
-from typing import TYPE_CHECKING, Callable, Generic, TypeVar
-
-import numpy as np
-
-from whitecanvas._exceptions import ReferenceDeletedError
-from whitecanvas.layers import _mixin
-from whitecanvas.types import ColorType, Orientation
-
-if TYPE_CHECKING:
-    from whitecanvas.canvas._base import CanvasBase
-    from whitecanvas.layers._primitive import Image, Texts
-
-_C = TypeVar("_C", bound="CanvasBase")
-
-
-class ImageRef(Generic[_C]):
-    def __init__(self, canvas: _C, image: Image):
-        self._canvas_ref = weakref.ref(canvas)
-        self._image_ref = weakref.ref(image)
-
-    def _canvas(self) -> _C:
-        canvas = self._canvas_ref()
-        if canvas is None:
-            raise ReferenceDeletedError("Canvas has been deleted.")
-        return canvas
-
-    def _image(self) -> Image:
-        image = self._image_ref()
-        if image is None:
-            raise ReferenceDeletedError("Image has been deleted.")
-        return image
-
-    def add_colorbar(
-        self,
-        pos=None,
-        orient: str | Orientation = Orientation.VERTICAL,
-    ) -> _C:
-        cbar = self._image()._make_colorbar(pos=pos, orient=orient)
-        return self._canvas().add_layer(cbar)
-
-    def add_text(
-        self,
-        *,
-        size: int = 8,
-        color_rule: ColorType | Callable[[np.ndarray], ColorType] | None = None,
-        fmt: str = "",
-        text_invalid: str | None = None,
-    ) -> Texts[_mixin.MonoFace, _mixin.MonoEdge, _mixin.MultiFont]:
-        text_layer = self._image()._make_text_layer(
-            size=size, color_rule=color_rule, fmt=fmt, text_invalid=text_invalid
-        )  # fmt: skip
-        return self._canvas().add_layer(text_layer)
diff --git a/whitecanvas/layers/group/labeled.py b/whitecanvas/layers/group/labeled.py
index 9037900c..f1ff2cad 100644
--- a/whitecanvas/layers/group/labeled.py
+++ b/whitecanvas/layers/group/labeled.py
@@ -5,7 +5,6 @@
 import numpy as np
 from cmap import Colormap
 from numpy.typing import NDArray
-from typing_extensions import deprecated
 
 from whitecanvas.backend import Backend
 from whitecanvas.layers import _legend, _mixin, _text_utils
@@ -28,14 +27,12 @@
     Origin,
     Rect,
     XYData,
-    _Void,
 )
 from whitecanvas.utils.normalize import as_any_1d_array, as_color_array
 
 if TYPE_CHECKING:
     from typing_extensions import Self
 
-_void = _Void()
 _NFace = TypeVar("_NFace", bound="_mixin.FaceNamespace")
 _NEdge = TypeVar("_NEdge", bound="_mixin.EdgeNamespace")
 _Size = TypeVar("_Size")
@@ -131,10 +128,6 @@ def with_text_offset(self, dx: Any, dy: Any):
             self.texts.set_pos(px + xoff, py + yoff)
         self._text_offset = _offset
 
-    @deprecated("add_text_offset is deprecated. Please use with_text_offset instead.")
-    def add_text_offset(self, *args, **kwargs):
-        return self.with_text_offset(*args, **kwargs)
-
     def with_xerr(
         self,
         len_lower: float,
@@ -736,12 +729,12 @@ def origin(self, origin: Origin | str):
         self.image.origin = origin
 
     @overload
-    def fit_to(self, bbox: Rect | tuple[float, float, float, float], /) -> Image:
-        ...
+    def fit_to(self, bbox: Rect | tuple[float, float, float, float], /) -> Image: ...
 
     @overload
-    def fit_to(self, left: float, right: float, bottom: float, top: float, /) -> Image:
-        ...
+    def fit_to(
+        self, left: float, right: float, bottom: float, top: float, /
+    ) -> Image: ...
 
     def fit_to(self, *args) -> Image:
         """Fit the image to the given bounding box."""