diff --git a/galleries/users_explain/colors/colormap-manipulation.py b/galleries/users_explain/colors/colormap-manipulation.py
index 0cd488857257..8b773b4fac42 100644
--- a/galleries/users_explain/colors/colormap-manipulation.py
+++ b/galleries/users_explain/colors/colormap-manipulation.py
@@ -299,6 +299,11 @@ def plot_linearmap(cdict):
 
 plt.show()
 
+# %%
+# Colormaps added to the registry can also be deregistered:
+
+mpl.colormaps.unregister(my_cmap.name)
+
 # %%
 #
 # .. admonition:: References