diff --git a/mods/ENTITIES/mcl_mobs/api.lua b/mods/ENTITIES/mcl_mobs/api.lua
index 4328bd20fd..6c654c2bc6 100644
--- a/mods/ENTITIES/mcl_mobs/api.lua
+++ b/mods/ENTITIES/mcl_mobs/api.lua
@@ -117,20 +117,6 @@ local node_ok = function(pos, fallback)
 	return minetest.registered_nodes[fallback]
 end
 
-
-local mob_detach_child = function(self, child)
-
-	if self.detach_child then
-		if self.detach_child(self, child) then
-			return
-		end
-	end
-	if self.driver == child then
-		self.driver = nil
-	end
-
-end
-
 -- get entity staticdata
 function mob_class:get_staticdata()
 
diff --git a/mods/ENTITIES/mcl_mobs/mount.lua b/mods/ENTITIES/mcl_mobs/mount.lua
index 95a145a4b0..0307a5fc07 100644
--- a/mods/ENTITIES/mcl_mobs/mount.lua
+++ b/mods/ENTITIES/mcl_mobs/mount.lua
@@ -1,4 +1,5 @@
-
+local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
+local mob_class = mcl_mobs.mob_class
 -- lib_mount by Blert2112 (edited by TenPlus1)
 
 local enable_crash = false
@@ -446,3 +447,14 @@ function mcl_mobs.fly(entity, dtime, speed, shoots, arrow, moving_anim, stand_an
 		mcl_mobs:set_animation(entity, moving_anim)
 	end
 end
+
+function mob_class:on_detach_child(child)
+	if self.detach_child then
+		if self.detach_child(self, child) then
+			return
+		end
+	end
+	if self.driver == child then
+		self.driver = nil
+	end
+end