diff --git a/chat.lua b/chat.lua
index df2f52f..b9285d5 100644
--- a/chat.lua
+++ b/chat.lua
@@ -1,58 +1,4 @@
 
-minetest.register_chatcommand("building_place", {
-	func = function(name, building_name)
-		local player = minetest.get_player_by_name(name)
-		local pos = player:get_pos()
-		local mapblock_pos = mapblock_lib.get_mapblock(pos)
-
-        local t0 = minetest.get_us_time()
-        local success, err = building_lib.do_build(mapblock_pos, building_name, {}, function() end)
-        local diff = minetest.get_us_time() - t0
-        if success then
-            return true, "Placement took " .. diff .. " us"
-        else
-            return false, err
-        end
-	end
-})
-
-minetest.register_chatcommand("building_remove", {
-	func = function(name)
-		local player = minetest.get_player_by_name(name)
-		local pos = player:get_pos()
-		local mapblock_pos = mapblock_lib.get_mapblock(pos)
-        local origin = mapblock_pos
-
-        local data = building_lib.store:get(mapblock_pos)
-        if not data then
-            return false, "no building found"
-        end
-
-        if data.building and data.building.ref then
-            -- resolve link
-            origin = data.building.ref
-            data = building_lib.store:get(data.building.ref)
-        end
-
-        if data.building then
-            local size = data.building.size
-            for x=origin.x,origin.x+size.x-1 do
-                for y=origin.y,origin.y+size.y-1 do
-                    for z=origin.z,origin.z+size.z-1 do
-                        local offset_mapblock_pos = {x=x, y=y, z=z}
-                        -- clear building data
-                        building_lib.store:set(offset_mapblock_pos, nil)
-                        -- remove mapblock
-                        mapblock_lib.clear_mapblock(offset_mapblock_pos)
-                    end
-                end
-            end
-        end
-
-        return true, "removed '" .. data.building.name .. "'"
-	end
-})
-
 minetest.register_chatcommand("building_info", {
     func = function(name)
         local player = minetest.get_player_by_name(name)