diff --git a/Tests/test_image.py b/Tests/test_image.py
index 17f1edb00..cb31565e7 100644
--- a/Tests/test_image.py
+++ b/Tests/test_image.py
@@ -929,17 +929,6 @@ class TestImage:
             im.apply_transparency()
             assert im.palette.colors[(27, 35, 6, 214)] == 24
 
-    def test_categories_deprecation(self):
-        with pytest.warns(DeprecationWarning):
-            assert hopper().category == 0
-
-        with pytest.warns(DeprecationWarning):
-            assert Image.NORMAL == 0
-        with pytest.warns(DeprecationWarning):
-            assert Image.SEQUENCE == 1
-        with pytest.warns(DeprecationWarning):
-            assert Image.CONTAINER == 2
-
     def test_constants(self):
         with pytest.warns(DeprecationWarning):
             assert Image.LINEAR == Image.Resampling.BILINEAR
diff --git a/docs/deprecations.rst b/docs/deprecations.rst
index 47d1531ae..1e448ad31 100644
--- a/docs/deprecations.rst
+++ b/docs/deprecations.rst
@@ -12,18 +12,6 @@ Deprecated features
 Below are features which are considered deprecated. Where appropriate,
 a ``DeprecationWarning`` is issued.
 
-Categories
-~~~~~~~~~~
-
-.. deprecated:: 8.2.0
-
-``im.category`` is deprecated and will be removed in Pillow 10.0.0 (2023-07-01),
-along with the related ``Image.NORMAL``, ``Image.SEQUENCE`` and
-``Image.CONTAINER`` attributes.
-
-To determine if an image has multiple frames or not,
-``getattr(im, "is_animated", False)`` can be used instead.
-
 JpegImagePlugin.convert_dict_qtables
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -210,6 +198,18 @@ Tk/Tcl 8.4
 
 Support for Tk/Tcl 8.4 was removed in Pillow 10.0.0 (2023-07-01).
 
+Categories
+~~~~~~~~~~
+
+.. deprecated:: 8.2.0
+.. versionremoved:: 10.0.0
+
+``im.category`` was removed along with the related ``Image.NORMAL``,
+``Image.SEQUENCE`` and ``Image.CONTAINER`` attributes.
+
+To determine if an image has multiple frames or not,
+``getattr(im, "is_animated", False)`` can be used instead.
+
 PyQt5 and PySide2
 ~~~~~~~~~~~~~~~~~
 
diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index 4a142a008..99a895fb0 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -61,10 +61,6 @@ from ._util import DeferredError, is_path
 
 
 def __getattr__(name):
-    categories = {"NORMAL": 0, "SEQUENCE": 1, "CONTAINER": 2}
-    if name in categories:
-        deprecate("Image categories", 10, "is_animated", plural=True)
-        return categories[name]
     old_resampling = {
         "LINEAR": "BILINEAR",
         "CUBIC": "BICUBIC",
@@ -521,12 +517,6 @@ class Image:
         self.pyaccess = None
         self._exif = None
 
-    def __getattr__(self, name):
-        if name == "category":
-            deprecate("Image categories", 10, "is_animated", plural=True)
-            return self._category
-        raise AttributeError(name)
-
     @property
     def width(self):
         return self.size[0]