diff --git a/mods/default/legacy.lua b/mods/default/legacy.lua
index a8c8ad5..a648a78 100644
--- a/mods/default/legacy.lua
+++ b/mods/default/legacy.lua
@@ -7,12 +7,12 @@ function default.register_falling_node(nodename, texture)
 	minetest.log("error", debug.traceback())
 	minetest.log('error', "WARNING: default.register_falling_node is deprecated")
 	if minetest.registered_nodes[nodename] then
-		minetest.registered_nodes[nodename].groups.falling_node = 1
+		-- minetest.registered_nodes[nodename].groups.falling_node = 1
 	end
 end
 
 function default.spawn_falling_node(p, nodename)
-	spawn_falling_node(p, nodename)
+	-- spawn_falling_node(p, nodename)
 end
 
 -- Liquids
diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index da3af7e..cbe8b65 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -465,21 +465,21 @@ minetest.register_node("default:dirt_with_rainforest_litter", {
 minetest.register_node("default:sand", {
 	description = "Sand",
 	tiles = {"default_sand.png"},
-	groups = {crumbly = 3, falling_node = 1, sand = 1},
+	groups = {crumbly = 3, sand = 1},
 	sounds = default.node_sound_sand_defaults(),
 })
 
 minetest.register_node("default:desert_sand", {
 	description = "Desert Sand",
 	tiles = {"default_desert_sand.png"},
-	groups = {crumbly = 3, falling_node = 1, sand = 1},
+	groups = {crumbly = 3, sand = 1},
 	sounds = default.node_sound_sand_defaults(),
 })
 
 minetest.register_node("default:silver_sand", {
 	description = "Silver Sand",
 	tiles = {"default_silver_sand.png"},
-	groups = {crumbly = 3, falling_node = 1, sand = 1},
+	groups = {crumbly = 3, sand = 1},
 	sounds = default.node_sound_sand_defaults(),
 })
 
@@ -487,7 +487,7 @@ minetest.register_node("default:silver_sand", {
 minetest.register_node("default:gravel", {
 	description = "Gravel",
 	tiles = {"default_gravel.png"},
-	groups = {crumbly = 2, falling_node = 1},
+	groups = {crumbly = 2},
 	sounds = default.node_sound_gravel_defaults(),
 	drop = {
 		max_items = 1,
@@ -522,7 +522,7 @@ minetest.register_node("default:snow", {
 			{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5},
 		},
 	},
-	groups = {crumbly = 3, falling_node = 1, puts_out_fire = 1, snowy = 1},
+	groups = {crumbly = 3, puts_out_fire = 1, snowy = 1},
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name = "default_snow_footstep", gain = 0.15},
 		dug = {name = "default_snow_footstep", gain = 0.2},