diff --git a/worldedit_gui/init.lua b/worldedit_gui/init.lua
index b88a82e..181adf6 100644
--- a/worldedit_gui/init.lua
+++ b/worldedit_gui/init.lua
@@ -194,21 +194,13 @@ elseif rawget(_G, "sfinv") then --sfinv installed (part of minetest_game since 0
 		end
 	})
 
-	--compatibility with pre-0.4.16 sfinv
-	local set_page = sfinv.set_page or function(player, name)
-		--assumptions: src pg has no leave callback, dst pg has no enter callback
-		local ctx = {page=name}
-		sfinv.contexts[player:get_player_name()] = ctx
-		sfinv.set_player_inventory_formspec(player, ctx)
-	end
-
 	--show the form when the button is pressed and hide it when done
 	minetest.register_on_player_receive_fields(function(player, formname, fields)
 		if fields.worldedit_gui then --main page
 			worldedit.show_page(player:get_player_name(), "worldedit_gui")
 			return true
 		elseif fields.worldedit_gui_exit then --return to original page
-			set_page(player, "sfinv:crafting")
+			sfinv.set_page(player, "sfinv:crafting")
 			return true
 		end
 		return false
@@ -222,11 +214,11 @@ elseif rawget(_G, "sfinv") then --sfinv installed (part of minetest_game since 0
 	end
 else
 	error(
-		"worldedit_gui requires a supported \"gui management\" mod to be installed\n"..
-		"To use the GUI you need to either\n"..
-		"* Use minetest_game (at least 0.4.15) or a subgame with compatible sfinv\n"..
-		"* Install Unified Inventory or Inventory++\n"..
-		"If you do not want to use worldedit_gui, disable it by editing world.mt or from the Main Menu"
+		"worldedit_gui requires a supported gui management mod to be installed.\n"..
+		"To use the it you need to either:\n"..
+		"* use minetest_game or another sfinv-compatible subgame\n"..
+		"* install Unified Inventory, Inventory++ or Smart Inventory\n"..
+		"If you don't want to use worldedit_gui, disable it by editing world.mt or from the main menu."
 	)
 end