it compiles, that's better than it not compiling, right?

code/modules/mining/equipment/kinetic_crusher.dm

@@ -98,7 +98,7 @@
 		D.fire()
 		charged = FALSE
 		icon_state = "mining_hammer"
-		addtimer(CALLBACK(src, .proc/Recharge), charge_time)
+		addtimer(CALLBACK(src,PROC_REF(Recharge)), charge_time)
 		return
 	if(proximity_flag && isliving(target))
 		var/mob/living/L = target
@@ -350,7 +350,7 @@
 			continue
 		playsound(L, 'sound/magic/fireball.ogg', 20, 1)
 		new /obj/effect/temp_visual/fire(L.loc)
-		addtimer(CALLBACK(src, .proc/pushback, L, user), 1) //no free backstabs, we push AFTER module stuff is done
+		addtimer(CALLBACK(src,PROC_REF(pushback), L, user), 1) //no free backstabs, we push AFTER module stuff is done
 		L.adjustFireLoss(bonus_value, forced = TRUE)
 
 /obj/item/crusher_trophy/tail_spike/proc/pushback(mob/living/target, mob/living/user)
@@ -416,7 +416,7 @@
 
 /obj/item/crusher_trophy/blaster_tubes/on_mark_detonation(mob/living/target, mob/living/user)
 	deadly_shot = TRUE
-	addtimer(CALLBACK(src, .proc/reset_deadly_shot), 300, TIMER_UNIQUE|TIMER_OVERRIDE)
+	addtimer(CALLBACK(src,PROC_REF(reset_deadly_shot)), 300, TIMER_UNIQUE|TIMER_OVERRIDE)
 
 /obj/item/crusher_trophy/blaster_tubes/proc/reset_deadly_shot()
 	deadly_shot = FALSE

code/modules/mining/equipment/regenerative_core.dm

@@ -31,7 +31,7 @@
 
 /obj/item/organ/regenerative_core/Initialize()
 	. = ..()
-	addtimer(CALLBACK(src, .proc/inert_check), 2400)
+	addtimer(CALLBACK(src,PROC_REF(inert_check)), 2400)
 
 /obj/item/organ/regenerative_core/proc/inert_check()
 	if(!preserved)

code/modules/mining/equipment/resonator.dm

@@ -71,7 +71,7 @@
 	transform = matrix()*0.75
 	animate(src, transform = matrix()*1.5, time = duration)
 	deltimer(timerid)
-	timerid = addtimer(CALLBACK(src, .proc/burst), duration, TIMER_STOPPABLE)
+	timerid = addtimer(CALLBACK(src,PROC_REF(burst)), duration, TIMER_STOPPABLE)
 
 /obj/effect/temp_visual/resonance/Destroy()
 	if(res)