diff --git a/lib/matplotlib/cbook.py b/lib/matplotlib/cbook.py
index ae78eab8318d..850028c297db 100644
--- a/lib/matplotlib/cbook.py
+++ b/lib/matplotlib/cbook.py
@@ -827,6 +827,7 @@ def joined(self, a, b):
return (self._mapping.get(a, object()) is self._mapping.get(b))
def remove(self, a):
+ """Remove *a* from the grouper, doing nothing if it is not there."""
set_a = self._mapping.pop(a, None)
if set_a:
set_a.remove(a)
diff --git a/lib/matplotlib/figure.py b/lib/matplotlib/figure.py
index 455a29dbce29..947f638b5f95 100644
--- a/lib/matplotlib/figure.py
+++ b/lib/matplotlib/figure.py
@@ -925,38 +925,28 @@ def delaxes(self, ax):
Remove the `~.axes.Axes` *ax* from the figure; update the current Axes.
"""
- def _reset_locators_and_formatters(axis):
- # Set the formatters and locators to be associated with axis
- # (where previously they may have been associated with another
- # Axis instance)
- axis.get_major_formatter().set_axis(axis)
- axis.get_major_locator().set_axis(axis)
- axis.get_minor_formatter().set_axis(axis)
- axis.get_minor_locator().set_axis(axis)
-
- def _break_share_link(ax, grouper):
- siblings = grouper.get_siblings(ax)
- if len(siblings) > 1:
- grouper.remove(ax)
- for last_ax in siblings:
- if ax is not last_ax:
- return last_ax
- return None
-
self._axstack.remove(ax)
self._axobservers.process("_axes_change_event", self)
self.stale = True
self._localaxes.remove(ax)
self.canvas.release_mouse(ax)
- # Break link between any shared axes
- for name in ax._axis_names:
- last_ax = _break_share_link(ax, ax._shared_axes[name])
- if last_ax is not None:
- _reset_locators_and_formatters(last_ax._axis_map[name])
-
- # Break link between any twinned axes
- _break_share_link(ax, ax._twinned_axes)
+ for name in ax._axis_names: # Break link between any shared axes
+ grouper = ax._shared_axes[name]
+ siblings = [other for other in grouper.get_siblings(ax) if other is not ax]
+ if not siblings: # Axes was not shared along this axis; we're done.
+ continue
+ grouper.remove(ax)
+ # Formatters and locators may previously have been associated with the now
+ # removed axis. Update them to point to an axis still there (we can pick
+ # any of them, and use the first sibling).
+ remaining_axis = siblings[0]._axis_map[name]
+ remaining_axis.get_major_formatter().set_axis(remaining_axis)
+ remaining_axis.get_major_locator().set_axis(remaining_axis)
+ remaining_axis.get_minor_formatter().set_axis(remaining_axis)
+ remaining_axis.get_minor_locator().set_axis(remaining_axis)
+
+ ax._twinned_axes.remove(ax) # Break link between any twinned axes.
def clear(self, keep_observers=False):
"""
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