Misc.

code/modules/mob/freelook/update_triggers.dm

@@ -14,7 +14,6 @@
 	return -1
 
 /turf/simulated/Destroy()
-	if(ticker)
 	updateVisibility(src)
 	..()
 
@@ -26,18 +25,15 @@
 // STRUCTURES
 
 /obj/structure/Destroy()
-	if(ticker)
 	updateVisibility(src)
 	..()
 
 /obj/structure/New()
-	..()
 	updateVisibility(src)
 
 // EFFECTS
 
 /obj/effect/Destroy()
-	if(ticker)
 	updateVisibility(src)
 	return ..()
 

code/modules/projectiles/projectile.dm

@@ -303,7 +303,6 @@
 			if(loc == get_turf(original))
 				if(!(original in permutated))
 					if(Bump(original))
-						qdel(src)
 						return
 
 		if(first_step)

code/modules/spells/spell_code.dm

@@ -179,6 +179,7 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 /spell/proc/cast_check(skipcharge = 0,mob/user = usr) //checks if the spell can be cast based on its settings; skipcharge is used when an additional cast_check is called inside the spell
 
 	if(!(src in user.spell_list) && holder == user)
+		error("[user] utilized the spell '[src]' without having it.")
 		user << "<span class='warning'>You shouldn't have this spell! Something's wrong.</span>"
 		return 0