diff --git a/flowers_plus/init.lua b/flowers_plus/init.lua
index 8e8c533..96c26e0 100644
--- a/flowers_plus/init.lua
+++ b/flowers_plus/init.lua
@@ -94,7 +94,7 @@ for i in ipairs(lilies_list) do
 				place_pos = pt.above
 			end
 
-			if not plantslib:node_is_owned(place_pos, placer) then
+			if not minetest.is_protected(place_pos, placer:get_player_name()) then
 
 			local nodename = "default:cobble" -- if this block appears, something went....wrong :-)
 
@@ -194,7 +194,7 @@ for i in ipairs(algae_list) do
 				place_pos = pt.above
 			end
 
-			if not plantslib:node_is_owned(place_pos, placer) then
+			if not minetest.is_protected(place_pos, placer:get_player_name()) then
 
 			local nodename = "default:cobble" -- :D
 
diff --git a/plants_lib/init.lua b/plants_lib/init.lua
index 9b8908d..232f633 100644
--- a/plants_lib/init.lua
+++ b/plants_lib/init.lua
@@ -439,42 +439,6 @@ function plantslib:grow_tree(pos, node_or_function_or_model)
 	minetest.spawn_tree(pos, node_or_function_or_model)
 end
 
--- check if a node is owned before allowing manual placement of a node
--- (used by flowers_plus)
-
-function plantslib:node_is_owned(pos, placer)
-	local ownername = false
-	if type(IsPlayerNodeOwner) == "function" then					-- node_ownership mod
-		if HasOwner(pos, placer) then						-- returns true if the node is owned
-			if not IsPlayerNodeOwner(pos, placer:get_player_name()) then
-				if type(getLastOwner) == "function" then		-- ...is an old version
-					ownername = getLastOwner(pos)
-				elseif type(GetNodeOwnerName) == "function" then	-- ...is a recent version
-					ownername = GetNodeOwnerName(pos)
-				else
-					ownername = S("someone")
-				end
-			end
-		end
-
-	elseif type(isprotect)=="function" then 					-- glomie's protection mod
-		if not isprotect(5, pos, placer) then
-			ownername = S("someone")
-		end
-	elseif type(protector)=="table" and type(protector.can_dig)=="function" then 	-- Zeg9's protection mod
-		if not protector.can_dig(5, pos, placer) then
-			ownername = S("someone")
-		end
-	end
-
-	if ownername ~= false then
-		minetest.chat_send_player( placer:get_player_name(), S("Sorry, %s owns that spot."):format(ownername) )
-		return true
-	else
-		return false
-	end
-end
-
 -- Check for infinite stacks
 
 if minetest.get_modpath("unified_inventory") or not minetest.setting_getbool("creative_mode") then