diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 173be4a..9838f73 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -276,14 +276,14 @@ minetest.register_node("default:dirt_with_snow", {
 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(),
 })
 
@@ -292,7 +292,7 @@ minetest.register_node("default:desert_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_dirt_defaults({
 		footstep = {name="default_gravel_footstep", gain=0.5},
 		dug = {name="default_gravel_footstep", gain=1.0},
@@ -313,7 +313,7 @@ minetest.register_node("default:snow", {
 			{-0.5, -0.5, -0.5,  0.5, -0.5+2/16, 0.5},
 		},
 	},
-	groups = {crumbly=3,falling_node=1},
+	groups = {crumbly=3},
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name="default_snow_footstep", gain=0.25},
 		dug = {name="default_snow_footstep", gain=0.75},