diff --git a/src/editor/palette/common_palette.hpp b/src/editor/palette/common_palette.hpp
index 6eb6c41dbbf3..6e7d6ba747a4 100644
--- a/src/editor/palette/common_palette.hpp
+++ b/src/editor/palette/common_palette.hpp
@@ -76,7 +76,6 @@ class common_palette  : public gui::widget {
 
 	/** Menu expanding for palette group list */
 	virtual void expand_palette_groups_menu(std::vector<config>& items, int i) = 0;
-	virtual void expand_palette_groups_menu(std::vector< std::pair< std::string, std::string> >& items, int i) = 0;
 
     //item
 	virtual int num_items() = 0;
diff --git a/src/editor/palette/editor_palettes.cpp b/src/editor/palette/editor_palettes.cpp
index 76b296289372..518cc6a14f23 100644
--- a/src/editor/palette/editor_palettes.cpp
+++ b/src/editor/palette/editor_palettes.cpp
@@ -98,24 +98,6 @@ template bool editor_palette<t_translation::terrain_code>::scroll_up();
 template bool editor_palette<unit_type>::scroll_up();
 template bool editor_palette<overlay>::scroll_up();
 
-template<class Item>
-void editor_palette<Item>::expand_palette_groups_menu(std::vector< std::pair< std::string, std::string> >& items, int i)
-{
-	const std::vector<item_group>& item_groups = get_groups();
-
-	for (size_t mci = 0; mci < item_groups.size(); ++mci) {
-		std::string groupname = item_groups[mci].name;
-		if (groupname.empty()) {
-			groupname = _("(Unknown Group)");
-		}
-		const std::string& img = item_groups[mci].icon;
-		items.push_back(std::pair<std::string, std::string>( img, groupname));
-	}
-}
-template void editor_palette<t_translation::terrain_code>::expand_palette_groups_menu(std::vector< std::pair< std::string, std::string> >& items, int /*i*/);
-template void editor_palette<unit_type>::expand_palette_groups_menu(std::vector< std::pair< std::string, std::string> >& items, int /*i*/);
-template void editor_palette<overlay>::expand_palette_groups_menu(std::vector< std::pair< std::string, std::string> >& items, int /*i*/);
-
 template<class Item>
 bool editor_palette<Item>::can_scroll_up()
 {
diff --git a/src/editor/palette/editor_palettes.hpp b/src/editor/palette/editor_palettes.hpp
index bcb910202c8e..af05df62ae25 100644
--- a/src/editor/palette/editor_palettes.hpp
+++ b/src/editor/palette/editor_palettes.hpp
@@ -63,7 +63,6 @@ class editor_palette : public tristate_palette {
 	size_t start_num(void) override { return items_start_; }
 
 	/** Menu expanding for palette group list */
-	void expand_palette_groups_menu(std::vector< std::pair<std::string, std::string> >& items, int i) override;
 	void expand_palette_groups_menu(std::vector<config>& items, int i) override;
 
 	void set_group(size_t index) override;
diff --git a/src/editor/palette/empty_palette.hpp b/src/editor/palette/empty_palette.hpp
index 8a06df4d1d18..f06c7b00b9e4 100644
--- a/src/editor/palette/empty_palette.hpp
+++ b/src/editor/palette/empty_palette.hpp
@@ -72,7 +72,6 @@ class empty_palette : public common_palette {
 	virtual const std::vector<item_group>& get_groups() const override { return empty_; }
 
 	/** Menu expanding for palette group list */
-	virtual void expand_palette_groups_menu(std::vector< std::pair< std::string, std::string> >& /*items*/,int) override {}
 	virtual void expand_palette_groups_menu(std::vector< config> & /*items*/,int) override {}
 
     //item
diff --git a/src/editor/palette/location_palette.hpp b/src/editor/palette/location_palette.hpp
index 46ed77b31d3a..8e4766c850d6 100644
--- a/src/editor/palette/location_palette.hpp
+++ b/src/editor/palette/location_palette.hpp
@@ -42,7 +42,6 @@ class location_palette : public common_palette {
 	size_t start_num(void) override { return items_start_; }
 
 	/** Menu expanding for palette group list */
-	void expand_palette_groups_menu(std::vector<std::pair<std::string, std::string>>&,int) override {}
 	void expand_palette_groups_menu(std::vector<config>&,int) override {}
 
 	virtual void set_group(size_t /*index*/) override {}