diff --git a/mods/default/init.lua b/mods/default/init.lua
index b2ace5cd582c85963156550bb323fb1a6aaf93c5..d5a329322cfec3ce031b30a383c5b8290b763876 100644
--- a/mods/default/init.lua
+++ b/mods/default/init.lua
@@ -1063,6 +1063,7 @@ minetest.register_node("default:water_flowing", {
 	pointable = false,
 	diggable = false,
 	buildable_to = true,
+	drop = "",
 	liquidtype = "flowing",
 	liquid_alternative_flowing = "default:water_flowing",
 	liquid_alternative_source = "default:water_source",
@@ -1088,6 +1089,7 @@ minetest.register_node("default:water_source", {
 	pointable = false,
 	diggable = false,
 	buildable_to = true,
+	drop = "",
 	liquidtype = "source",
 	liquid_alternative_flowing = "default:water_flowing",
 	liquid_alternative_source = "default:water_source",
@@ -1119,6 +1121,7 @@ minetest.register_node("default:lava_flowing", {
 	pointable = false,
 	diggable = false,
 	buildable_to = true,
+	drop = "",
 	liquidtype = "flowing",
 	liquid_alternative_flowing = "default:lava_flowing",
 	liquid_alternative_source = "default:lava_source",
@@ -1145,6 +1148,7 @@ minetest.register_node("default:lava_source", {
 	pointable = false,
 	diggable = false,
 	buildable_to = true,
+	drop = "",
 	liquidtype = "source",
 	liquid_alternative_flowing = "default:lava_flowing",
 	liquid_alternative_source = "default:lava_source",