diff --git a/mods/CORE/mcl_init/init.lua b/mods/CORE/mcl_init/init.lua
index 066e555dff..fec9c7ba93 100644
--- a/mods/CORE/mcl_init/init.lua
+++ b/mods/CORE/mcl_init/init.lua
@@ -32,9 +32,9 @@ local singlenode = mg_name == "singlenode"
 
 -- Calculate mapgen_edge_min/mapgen_edge_max
 mcl_vars.chunksize = math.max(1, tonumber(minetest.get_mapgen_setting("chunksize")) or 5)
-mcl_vars.MAP_BLOCKSIZE = math.max(1, core.MAP_BLOCKSIZE or 16)
+mcl_vars.MAP_BLOCKSIZE = math.max(1, minetest.MAP_BLOCKSIZE or 16)
 mcl_vars.mapgen_limit = math.max(1, tonumber(minetest.get_mapgen_setting("mapgen_limit")) or 31000)
-mcl_vars.MAX_MAP_GENERATION_LIMIT = math.max(1, core.MAX_MAP_GENERATION_LIMIT or 31000)
+mcl_vars.MAX_MAP_GENERATION_LIMIT = math.max(1, minetest.MAX_MAP_GENERATION_LIMIT or 31000)
 local central_chunk_offset = -math.floor(mcl_vars.chunksize / 2)
 mcl_vars.central_chunk_offset_in_nodes = central_chunk_offset * mcl_vars.MAP_BLOCKSIZE
 mcl_vars.chunk_size_in_nodes = mcl_vars.chunksize * mcl_vars.MAP_BLOCKSIZE
diff --git a/mods/ENTITIES/mobs_mc/iron_golem.lua b/mods/ENTITIES/mobs_mc/iron_golem.lua
index 946db312d2..939412abbd 100644
--- a/mods/ENTITIES/mobs_mc/iron_golem.lua
+++ b/mods/ENTITIES/mobs_mc/iron_golem.lua
@@ -158,11 +158,11 @@ mobs_mc.tools.check_iron_golem_summon = function(pos)
 		if ok then
 			-- Remove the nodes
 			minetest.remove_node(pos)
-			core.check_for_falling(pos)
+			minetest.check_for_falling(pos)
 			for i=1, 4 do
 				local cpos = vector.add(pos, checks[c][i])
 				minetest.remove_node(cpos)
-				core.check_for_falling(cpos)
+				minetest.check_for_falling(cpos)
 			end
 			-- Summon iron golem
 			local place
diff --git a/mods/ENTITIES/mobs_mc/snowman.lua b/mods/ENTITIES/mobs_mc/snowman.lua
index 9e2fae4d45..0726b8da0c 100644
--- a/mods/ENTITIES/mobs_mc/snowman.lua
+++ b/mods/ENTITIES/mobs_mc/snowman.lua
@@ -179,9 +179,9 @@ mobs_mc.tools.check_snow_golem_summon = function(pos)
 			minetest.remove_node(pos)
 			minetest.remove_node(b1)
 			minetest.remove_node(b2)
-			core.check_for_falling(pos)
-			core.check_for_falling(b1)
-			core.check_for_falling(b2)
+			minetest.check_for_falling(pos)
+			minetest.check_for_falling(b1)
+			minetest.check_for_falling(b2)
 			local obj = minetest.add_entity(place, "mobs_mc:snowman")
 			if obj then
 				summon_particles(obj)
diff --git a/mods/ITEMS/REDSTONE/mesecons_pistons/init.lua b/mods/ITEMS/REDSTONE/mesecons_pistons/init.lua
index 7d5f490488..93b8df96d2 100644
--- a/mods/ITEMS/REDSTONE/mesecons_pistons/init.lua
+++ b/mods/ITEMS/REDSTONE/mesecons_pistons/init.lua
@@ -66,7 +66,7 @@ local function piston_remove_pusher(pos, oldnode)
 
 	if pushername == pistonspec.pusher then -- make sure there actually is a pusher
 		minetest.remove_node(pusherpos)
-		core.check_for_falling(pusherpos)
+		minetest.check_for_falling(pusherpos)
 		minetest.sound_play("piston_retract", {
 			pos = pos,
 			max_hear_distance = 31,
@@ -87,7 +87,7 @@ local function piston_remove_base(pos, oldnode)
 
 	if basename == pistonspec.onname then -- make sure there actually is a base node
 		minetest.remove_node(basepos)
-		core.check_for_falling(basepos)
+		minetest.check_for_falling(basepos)
 		minetest.sound_play("piston_retract", {
 			pos = pos,
 			max_hear_distance = 31,
diff --git a/mods/ITEMS/mcl_cake/init.lua b/mods/ITEMS/mcl_cake/init.lua
index 777b7ec58f..1040710645 100644
--- a/mods/ITEMS/mcl_cake/init.lua
+++ b/mods/ITEMS/mcl_cake/init.lua
@@ -104,7 +104,7 @@ local register_slice = function(level, nodebox, desc)
 			-- Check if we were allowed to eat
 			if newcake:get_name() ~= this or minetest.is_creative_enabled(clicker:get_player_name()) then
 				minetest.remove_node(pos)
-				core.check_for_falling(pos)
+				minetest.check_for_falling(pos)
 			end
 		end
 	end
diff --git a/mods/ITEMS/mcl_core/functions.lua b/mods/ITEMS/mcl_core/functions.lua
index f0633914b1..6e1a977d93 100644
--- a/mods/ITEMS/mcl_core/functions.lua
+++ b/mods/ITEMS/mcl_core/functions.lua
@@ -179,7 +179,7 @@ minetest.register_abm({
 		liquid_flow_action(pos, "lava", function(pos)
 			minetest.remove_node(pos)
 			minetest.sound_play("builtin_item_lava", {pos = pos, gain = 0.25, max_hear_distance = 16}, true)
-			core.check_for_falling(pos)
+			minetest.check_for_falling(pos)
 		end)
 	end,
 })
@@ -1242,7 +1242,7 @@ minetest.register_abm({
 		if not mcl_core.check_vines_supported(pos, node) then
 			minetest.remove_node(pos)
 			vinedecay_particles(pos, node)
-			core.check_for_falling(pos)
+			minetest.check_for_falling(pos)
 			return
 		end
 
@@ -1404,7 +1404,7 @@ minetest.register_abm({
 			-- Remove node
 			minetest.remove_node(p0)
 			leafdecay_particles(p0, n0)
-			core.check_for_falling(p0)
+			minetest.check_for_falling(p0)
 
 			-- Kill depending vines immediately to skip the vines decay delay
 			local surround = {
@@ -1421,7 +1421,7 @@ minetest.register_abm({
 				if maybe_vine.name == "mcl_core:vine" and (not mcl_core.check_vines_supported(spos, maybe_vine)) then
 					minetest.remove_node(spos)
 					vinedecay_particles(spos, maybe_vine)
-					core.check_for_falling(spos)
+					minetest.check_for_falling(spos)
 				end
 			end
 		end
@@ -1445,7 +1445,7 @@ minetest.register_abm({
 			minetest.remove_node(p0)
 			vinedecay_particles(p0, node)
 			-- Just in case a falling node happens to float above vines
-			core.check_for_falling(p0)
+			minetest.check_for_falling(p0)
 		end
 	end
 })