use Ansari snipped and SEND_SOUND macro

code/modules/mob/dead/dead.dm

@@ -1,25 +1,5 @@
 /mob/dead/forceMove(atom/destination)
-	// Exactly the same as code/game/atoms_movable.dm#141 except doesn't call for(var/atom/movable/AM in destination) AM.Crossed(src)
-	// Overriden to prevent things like mice squeaking when ghosts walk on them.
-	var/turf/old_loc = loc
-	loc = destination
-
-	if(old_loc)
-		old_loc.Exited(src, destination)
-		for(var/atom/movable/AM in old_loc)
-			AM.Uncrossed(src)
-
-	if(destination)
-		destination.Entered(src)
-
-		if(isturf(destination) && opacity)
-			var/turf/new_loc = destination
-			new_loc.reconsider_lights()
-
-	if(isturf(old_loc) && opacity)
-		old_loc.reconsider_lights()
-
-	for(var/datum/light_source/L in light_sources)
-		L.source_atom.update_light()
-
-	return 1
+	// Overriden from code/game/atoms_movable.dm#141 to prevent things like mice squeaking when ghosts walk on them.
+    var/oldloc = loc
+    loc = destination
+    Moved(oldloc, NONE, TRUE)

code/modules/mob/living/simple_animal/friendly/mouse.dm

@@ -93,7 +93,7 @@
 		if(stat == CONSCIOUS)
 			var/mob/M = AM
 			to_chat(M, "<span class='notice'>[bicon(src)] Squeek!</span>")
-			M << 'sound/effects/mousesqueek.ogg'
+			SEND_SOUND(M, 'sound/effects/mousesqueek.ogg')
 	..()
 
 /mob/living/simple_animal/mouse/death(gibbed)