matplotlib
diff --git a/‎lib/matplotlib/axes/_base.py
+1-1 b/‎lib/matplotlib/axes/_base.py
+1-1
diff --git a/‎lib/matplotlib/colorbar.py
+198-195 b/‎lib/matplotlib/colorbar.py
+198-195
diff --git a/‎lib/matplotlib/scale.py
+8 b/‎lib/matplotlib/scale.py
+8
diff --git a/‎lib/matplotlib/testing/decorators.py
+6-1 b/‎lib/matplotlib/testing/decorators.py
+6-1
diff --git a/‎lib/matplotlib/tests/baseline_images/test_axes/contour_colorbar.pdf
81 Bytes b/‎lib/matplotlib/tests/baseline_images/test_axes/contour_colorbar.pdf
81 Bytes
diff --git a/‎lib/matplotlib/tests/baseline_images/test_axes/contour_colorbar.png
804 Bytes b/‎lib/matplotlib/tests/baseline_images/test_axes/contour_colorbar.png
804 Bytes
@@ -113,7 +113,7 @@ def __call__(self, ax, renderer):
         # transFigure may otherwise change after this is evaluated.
         return mtransforms.TransformedBbox(
             mtransforms.Bbox.from_bounds(*self._bounds),
-            self._transform - ax.figure.transFigure)
+            self._transform - ax.figure.transSubfigure)
 
 
 def _process_plot_format(fmt):
 
@@ -53,6 +53,7 @@ def __init__(self, axis):
         be used: a single scale object should be usable by multiple
         `~matplotlib.axis.Axis`\es at the same time.
         """
+        self._kwargs = dict()
 
     def get_transform(self):
         """
@@ -92,6 +93,7 @@ def __init__(self, axis):
         # the docstring of Axis.set_scale.
         """
         """
+        self.kwargs = dict()
 
     def set_default_locators_and_formatters(self, axis):
         # docstring inherited
@@ -173,6 +175,7 @@ def forward(values: array-like) -> array-like
         forward, inverse = functions
         transform = FuncTransform(forward, inverse)
         self._transform = transform
+        self._kwargs = {'functions': functions}
 
     def get_transform(self):
         """Return the `.FuncTransform` associated with this scale."""
@@ -296,6 +299,7 @@ def __init__(*, base=10, subs=None, nonpositive="clip"):
         base, subs, nonpositive = __init__(**kwargs)
         self._transform = LogTransform(base, nonpositive)
         self.subs = subs
+        self._kwargs = kwargs
 
     base = property(lambda self: self._transform.base)
 
@@ -349,6 +353,7 @@ def forward(values: array-like) -> array-like
         forward, inverse = functions
         self.subs = None
         self._transform = FuncTransform(forward, inverse) + LogTransform(base)
+        self._kwargs = {'functions': functions, 'base': base}
 
     @property
     def base(self):
@@ -476,6 +481,7 @@ def __init__(*, base=10, linthresh=2, subs=None, linscale=1):
         base, linthresh, subs, linscale = __init__(**kwargs)
         self._transform = SymmetricalLogTransform(base, linthresh, linscale)
         self.subs = subs
+        self._kwargs = kwargs
 
     base = property(lambda self: self._transform.base)
     linthresh = property(lambda self: self._transform.linthresh)
@@ -569,6 +575,8 @@ def __init__(self, axis, nonpositive='mask', *,
         self._transform = LogitTransform(nonpositive)
         self._use_overline = use_overline
         self._one_half = one_half
+        self._kwargs = {'nonpositive': nonpositive, 'one_half': one_half,
+                        'use_overline': use_overline}
 
     def get_transform(self):
         """Return the `.LogitTransform` associated with this scale."""
 
@@ -111,7 +111,7 @@ def _checked_on_freetype_version(required_freetype_version):
 def remove_ticks_and_titles(figure):
     figure.suptitle("")
     null_formatter = ticker.NullFormatter()
-    for ax in figure.get_axes():
+    def remove_ticks(ax):
         ax.set_title("")
         ax.xaxis.set_major_formatter(null_formatter)
         ax.xaxis.set_minor_formatter(null_formatter)
@@ -122,6 +122,11 @@ def remove_ticks_and_titles(figure):
             ax.zaxis.set_minor_formatter(null_formatter)
         except AttributeError:
             pass
+        for child in ax.child_axes:
+            remove_ticks(child)
+
+    for ax in figure.get_axes():
+        remove_ticks(ax)
 
 
 def _raise_on_image_difference(expected, actual, tol):