diff --git a/docs/sphinxext/gallery_order.py b/docs/sphinxext/gallery_order.py
deleted file mode 100644
index 399b7cd..0000000
--- a/docs/sphinxext/gallery_order.py
+++ /dev/null
@@ -1,88 +0,0 @@
-"""
-Configuration for the order of gallery sections and examples.
-Paths are relative to the conf.py file.
-"""
-
-from sphinx_gallery.sorting import ExplicitOrder
-
-# Gallery sections shall be displayed in the following order.
-# Non-matching sections are inserted at the unsorted position
-
-UNSORTED = "unsorted"
-
-# Sphinx gallery configuration
-examples_order = [
-    '../galleries/examples/line_plots',
-    '../galleries/examples/scatter_plots',
-    '../galleries/examples/histograms',
-    '../galleries/examples/map_plots',
-    UNSORTED
-]
-
-plot_types_order = [
-    '../galleries/plot_types/basic',
-    UNSORTED
-]
-
-folder_lists = [examples_order, plot_types_order]
-
-explicit_order_folders = [fd for folders in folder_lists
-                          for fd in folders[:folders.index(UNSORTED)]]
-explicit_order_folders.append(UNSORTED)
-explicit_order_folders.extend([fd for folders in folder_lists
-                               for fd in folders[folders.index(UNSORTED):]])
-
-
-class MplExplicitOrder(ExplicitOrder):
-    """For use within the 'subsection_order' key."""
-    def __call__(self, item):
-        """Return a string determining the sort order."""
-        if item in self.ordered_list:
-            return f"{self.ordered_list.index(item):04d}"
-        else:
-            return f"{self.ordered_list.index(UNSORTED):04d}{item}"
-
-
-# Subsection order:
-# Subsections are ordered by filename, unless they appear in the following
-# lists in which case the list order determines the order within the section.
-
-list_all = [
-    #  **Examples**
-    #  line
-    "line_plot", "line_plot_options", "multi_line_plot",
-    "inverted_log_scale", "SkewT"
-    #  scatter
-    "scatter", "scatter_with_regression_line",
-    "density_scatter"
-    # histograms
-    "histogram", "layered_histogram"
-    # map plots
-    "map_plot_no_data", "custom_map_domain", "map_scatter_2D",
-    "map_scatter", "map_gridded"
-
-    # **Plot Types**
-    # Basic
-    "line"
-]
-explicit_subsection_order = [item + ".py" for item in list_all]
-
-
-class MplExplicitSubOrder(ExplicitOrder):
-    """For use within the 'within_subsection_order' key."""
-    def __init__(self, src_dir):
-        self.src_dir = src_dir  # src_dir is unused here
-        self.ordered_list = explicit_subsection_order
-
-    def __call__(self, item):
-        """Return a string determining the sort order."""
-        if item in self.ordered_list:
-            return f"{self.ordered_list.index(item):04d}"
-        else:
-            # ensure not explicitly listed items come last.
-            return "zzz" + item
-
-
-# Provide the above classes for use in conf.py
-sectionorder = MplExplicitOrder(explicit_order_folders)
-subsectionorder = MplExplicitSubOrder