Remove deprecated arguments and keyword arguments.

doc/api/api_changes_3.3/removals.rst

@@ -176,7 +176,8 @@ Arguments
 - The unused parameter ``interp_at_native`` of `.BboxImage` has been removed.
 - The parameter ``usetex`` of `.TextToPath.get_text_path` has been removed.
   Use ``ismath='TeX'`` instead.
-- The parameter ``block`` of ``show()`` is now keyword-only.
+- The parameter ``block`` of ``show()`` is now keyword-only, and arbitrary
+  arguments or keyword arguments are no longer accepted.
 - The parameter ``frameon`` of `.Figure.savefig` has been removed.  Use
   ``facecolor="none"`` to get a transparent background.
 - Passing a ``wx.EvtHandler`` as the first argument to ``backend_wx.TimerWx``
@@ -195,10 +196,14 @@ Arguments
   other than ``ticklabels``.
 - ``mpl_toolkits.mplot3d.art3d.Poly3DCollection.set_zsort`` does not accept
   the value ``True`` anymore. Pass the equivalent value 'average' instead.
-- `~.ConnectionPatch` no longer accepts the ``arrow_transmuter`` and
+- `.AnchoredText` no longer accepts ``horizontalalignment`` or
+  ``verticalalignment`` keyword arguments.
+- `.ConnectionPatch` no longer accepts the ``arrow_transmuter`` and
   ``connector`` keyword arguments, which did nothing since 3.0.
-- `~.FancyArrowPatch` no longer accepts the ``arrow_transmuter`` and
+- `.FancyArrowPatch` no longer accepts the ``arrow_transmuter`` and
   ``connector`` keyword arguments, which did nothing since 3.0.
+- `.TextPath` no longer accepts arbitrary positional or keyword arguments.
+- `.MaxNLocator.set_params()` no longer accepts arbitrary keyword arguments.
 
 rcParams
 ~~~~~~~~

lib/matplotlib/backends/backend_nbagg.py

@@ -239,13 +239,7 @@ def trigger_manager_draw(manager):
         manager.show()
 
     @staticmethod
-    def show(*args, block=None, **kwargs):
-        if args or kwargs:
-            cbook.warn_deprecated(
-                "3.1", message="Passing arguments to show(), other than "
-                "passing 'block' by keyword, is deprecated %(since)s, and "
-                "support for it will be removed %(removal)s.")
-
+    def show(block=None):
         ## TODO: something to do when keyword block==False ?
         from matplotlib._pylab_helpers import Gcf
 

lib/matplotlib/offsetbox.py

@@ -1285,11 +1285,9 @@ def __init__(self, s, loc, pad=0.4, borderpad=0.5, prop=None, **kwargs):
             prop = {}
         badkwargs = {'ha', 'horizontalalignment', 'va', 'verticalalignment'}
         if badkwargs & set(prop):
-            cbook.warn_deprecated(
-                "3.1", message="Mixing horizontalalignment or "
-                "verticalalignment with AnchoredText is not supported, "
-                "deprecated since %(since)s, and will raise an exception "
-                "%(removal)s.")
+            raise ValueError(
+                "Mixing horizontalalignment or verticalalignment with "
+                "AnchoredText is not supported.")
 
         self.txt = TextArea(s, textprops=prop, minimumdescent=False)
         fp = self.txt._text.get_fontproperties()

lib/matplotlib/textpath.py

@@ -349,8 +349,7 @@ class TextPath(Path):
     """
 
     def __init__(self, xy, s, size=None, prop=None,
-                 _interpolation_steps=1, usetex=False,
-                 *args, **kwargs):
+                 _interpolation_steps=1, usetex=False):
         r"""
         Create a path from the text. Note that it simply is a path,
         not an artist. You need to use the `~.PathPatch` (or other artists)
@@ -396,11 +395,6 @@ def __init__(self, xy, s, size=None, prop=None,
         # Circular import.
         from matplotlib.text import Text
 
-        if args or kwargs:
-            cbook.warn_deprecated(
-                "3.1", message="Additional arguments to TextPath used to be "
-                "ignored, but will trigger a TypeError %(removal)s.")
-
         if prop is None:
             prop = FontProperties()
         else:

lib/matplotlib/ticker.py

@@ -2095,9 +2095,8 @@ def set_params(self, **kwargs):
             self._integer = kwargs.pop('integer')
         if kwargs:
             key, _ = kwargs.popitem()
-            cbook.warn_deprecated("3.1",
-                                  message="MaxNLocator.set_params got an "
-                                          f"unexpected parameter: {key}")
+            raise TypeError(
+                f"set_params() got an unexpected keyword argument '{key}'")
 
     def _raw_ticks(self, vmin, vmax):
         """