matplotlib
diff --git a/‎doc/api/next_api_changes/deprecations/18564-AL.rst
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+12-9Lines changed: 12 additions & 9 deletions b/‎doc/api/next_api_changes/deprecations/18564-AL.rst
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+12-9Lines changed: 12 additions & 9 deletions
diff --git a/‎lib/mpl_toolkits/axes_grid1/axes_divider.py
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+15-8Lines changed: 15 additions & 8 deletions b/‎lib/mpl_toolkits/axes_grid1/axes_divider.py
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+15-8Lines changed: 15 additions & 8 deletions
@@ -1,14 +1,17 @@
 Subplot-related attributes and methods
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Some ``SubplotBase`` attributes have been deprecated and/or moved to
-`.SubplotSpec`: ``get_geometry`` (use `.SubplotBase.get_subplotspec`
-instead), ``change_geometry`` (use `.SubplotBase.set_subplotspec` instead),
-``is_first_row``, ``is_last_row``, ``is_first_col``, ``is_last_col`` (use the
-corresponding methods on the `.SubplotSpec` instance instead), ``figbox`` (use
-``ax.get_subplotspec().get_geometry(ax.figure)`` instead to recompute the
-geometry, or ``ax.get_position()`` to read its current value), ``numRows``,
-``numCols`` (use the ``nrows`` and ``ncols`` attribute on the `.GridSpec`
-instead).
+Some ``SubplotBase`` methods and attributes have been deprecated and/or moved
+to `.SubplotSpec`: ``get_geometry`` (use `.SubplotBase.get_subplotspec`
+instead), ``change_geometry`` (use `.SubplotBase.set_subplotspec`
+instead), ``is_first_row``, ``is_last_row``, ``is_first_col``,
+``is_last_col`` (use the corresponding methods on the `.SubplotSpec`
+instance instead), ``update_params`` (now a no-op), ``figbox`` (use
+``ax.get_subplotspec().get_geometry(ax.figure)`` instead to recompute
+the geometry, or ``ax.get_position()`` to read its current value),
+``numRows``, ``numCols`` (use the ``nrows`` and ``ncols`` attribute on the
+`.GridSpec` instead).  Likewise, the ``get_geometry``, ``change_geometry``,
+``update_params``, and ``figbox`` methods/attributes of `.SubplotDivider` have
+been deprecated, with similar replacements.
 
 Axes constructor
 ~~~~~~~~~~~~~~~~
 
@@ -347,27 +347,33 @@ def __init__(self, fig, *args, horizontal=None, vertical=None,
             (2, 3, 4)).
         """
         self.figure = fig
-        self._subplotspec = SubplotSpec._from_subplot_args(fig, args)
-        self.update_params()  # sets self.figbox
-        super().__init__(fig, pos=self.figbox.bounds,
+        super().__init__(fig, [0, 0, 1, 1],
                          horizontal=horizontal or [], vertical=vertical or [],
                          aspect=aspect, anchor=anchor)
+        self.set_subplotspec(SubplotSpec._from_subplot_args(fig, args))
 
     def get_position(self):
         """Return the bounds of the subplot box."""
-        self.update_params()  # update self.figbox
-        return self.figbox.bounds
+        return self.get_subplotspec().get_position(self.figure).bounds
 
+    @cbook.deprecated("3.4")
+    @property
+    def figbox(self):
+        return self.get_subplotspec().get_position(self.figure)
+
+    @cbook.deprecated("3.4")
     def update_params(self):
-        """Update the subplot position from fig.subplotpars."""
-        self.figbox = self.get_subplotspec().get_position(self.figure)
+        pass
 
+    @cbook.deprecated(
+        "3.4", alternative="get_subplotspec",
+        addendum="(get_subplotspec returns a SubplotSpec instance.)")
     def get_geometry(self):
         """Get the subplot geometry, e.g., (2, 2, 3)."""
         rows, cols, num1, num2 = self.get_subplotspec().get_geometry()
         return rows, cols, num1 + 1  # for compatibility
 
-    # COVERAGE NOTE: Never used internally or from examples
+    @cbook.deprecated("3.4", alternative="set_subplotspec")
     def change_geometry(self, numrows, numcols, num):
         """Change subplot geometry, e.g., from (1, 1, 1) to (2, 2, 3)."""
         self._subplotspec = GridSpec(numrows, numcols)[num-1]
@@ -381,6 +387,7 @@ def get_subplotspec(self):
     def set_subplotspec(self, subplotspec):
         """Set the SubplotSpec instance."""
         self._subplotspec = subplotspec
+        self.set_position(subplotspec.get_position(self.figure))
 
 
 class AxesDivider(Divider):