a start

code/modules/integrated_electronics/core/special_pins/list_pin.dm

@@ -7,7 +7,6 @@
 	interact(user)
 
 /datum/integrated_io/lists/proc/interact(mob/user)
-	. = ..()
 	var/list/my_list = data
 	var/t = "<h2>[src]</h2><br>"
 	t += "List length: [my_list.len]<br>"

code/modules/integrated_electronics/subtypes/smart.dm

@@ -199,7 +199,8 @@
 		set_pin_data(IC_OUTPUT, 1, WEAKREF(null))
 		if(installed_brain.brainmob)
 			installed_brain.brainmob.remote_control = null
-	..()
+
+	return
 
 
 //Brain changes
@@ -329,7 +330,6 @@
 		installed_pai.forceMove(drop_location())
 		set_pin_data(IC_OUTPUT, 1, WEAKREF(null))
 		installed_pai.pai.remote_control = null
-	..()
 
 
 //pAI changes