diff --git a/code/defines/obj.dm b/code/defines/obj.dm
index 86bd500aefe..d5ad3439f74 100644
--- a/code/defines/obj.dm
+++ b/code/defines/obj.dm
@@ -321,6 +321,7 @@ var/global/list/PDA_Manifest = list()
 	layer = 2.44 //Just below unary stuff, which is at 2.45 and above pipes, which are at 2.4
 	var/_color = "red"
 	var/obj/structure/powerswitch/power_switch
+	var/obj/item/device/powersink/attached // holding this here for qdel
 
 /obj/structure/cable/yellow
 	_color = "yellow"
diff --git a/code/game/objects/items.dm b/code/game/objects/items.dm
index ebc25c93b9d..79aca9c6d67 100644
--- a/code/game/objects/items.dm
+++ b/code/game/objects/items.dm
@@ -41,14 +41,24 @@
 	var/obj/item/device/uplink/hidden/hidden_uplink = null // All items can have an uplink hidden inside, just remember to add the triggers.
 
 /obj/item/Destroy()
-	if(istype(src.loc, /mob/living))
-		var/mob/living/H = src.loc
-		H.u_equip(src) // items at the very least get unequipped from their mob before being deleted
+	if(istype(src.loc, /mob))
+		var/mob/H = src.loc
+		H.drop_from_inventory(src) // items at the very least get unequipped from their mob before being deleted
+	if(istype(src.loc, /obj/item/assembly))
+		var/obj/item/assembly/A = src.loc
+		if(A.part1 == src)
+			A.part1 = null
+		else if(A.part2 == src)
+			A.part2 = null
+		master = null
 	if(reagents && istype(reagents))
 		reagents.my_atom = null
 		reagents.delete()
 	if(hasvar(src, "holder"))
 		src:holder = null
+	if(hasvar(src, "my_atom"))
+		src:my_atom = null
+
 	..()
 
 /obj/item/device
diff --git a/code/game/objects/items/devices/PDA/PDA.dm b/code/game/objects/items/devices/PDA/PDA.dm
index bcad486155b..f0064242fbf 100755
--- a/code/game/objects/items/devices/PDA/PDA.dm
+++ b/code/game/objects/items/devices/PDA/PDA.dm
@@ -1144,6 +1144,8 @@ var/global/list/obj/item/device/pda/PDAs = list()
 	PDAs -= src
 	if (src.id)
 		src.id.loc = get_turf(src.loc)
+	if(src.pai)
+		src.pai.loc = get_turf(src.loc)
 	..()
 
 /obj/item/device/pda/clown/Crossed(AM as mob|obj) //Clown PDA is slippery.
diff --git a/code/game/objects/items/devices/PDA/radio.dm b/code/game/objects/items/devices/PDA/radio.dm
index e3c8a5d23f7..616584b0429 100644
--- a/code/game/objects/items/devices/PDA/radio.dm
+++ b/code/game/objects/items/devices/PDA/radio.dm
@@ -48,7 +48,10 @@
 		spawn(5)
 			if(radio_controller)
 				radio_controller.add_object(src, control_freq, filter = RADIO_SECBOT)
-
+	Destroy()
+		if(radio_controller)
+			radio_controller.remove_object(src, control_freq)
+		..()
 	// receive radio signals
 	// can detect bot status signals
 	// create/populate list as they are recvd
@@ -118,6 +121,10 @@
 				spawn(10)
 					post_signal(beacon_freq, "findbeacon", "delivery", s_filter = RADIO_NAVBEACONS)
 
+	Destroy()
+		if(radio_controller)
+			radio_controller.remove_object(src, control_freq)
+			radio_controller.remove_object(src, beacon_freq)
 	// receive radio signals
 	// can detect bot status signals
 	// and beacon locations
diff --git a/code/game/objects/items/devices/aicard.dm b/code/game/objects/items/devices/aicard.dm
index b8e15fdcf6c..5ef7ee6f952 100644
--- a/code/game/objects/items/devices/aicard.dm
+++ b/code/game/objects/items/devices/aicard.dm
@@ -120,7 +120,11 @@
 						overlays += image('icons/obj/aicards.dmi', "aicard-on")
 		attack_self(U)
 
-
-
-
-
+/obj/item/device/aicard/ex_act(severity)
+	switch(severity)
+		if(1.0)
+			del(src)
+		if(2.0)
+			if(prob(50)) del(src)
+		if(3.0)
+			if(prob(25)) del(src)
diff --git a/code/game/objects/items/devices/powersink.dm b/code/game/objects/items/devices/powersink.dm
index 7e4a6d89958..f164bcca623 100644
--- a/code/game/objects/items/devices/powersink.dm
+++ b/code/game/objects/items/devices/powersink.dm
@@ -31,6 +31,7 @@
 						user << "No exposed cable here to attach to."
 						return
 					else
+						attached.attached = src
 						anchored = 1
 						mode = 1
 						user << "You attach the device to the cable."
@@ -47,6 +48,8 @@
 				anchored = 0
 				mode = 0
 				user << "You detach	the device from the cable."
+				attached.attached = null
+				attached = null
 				for(var/mob/M in viewers(user))
 					if(M == user) continue
 					M << "[user] detaches the power sink from the cable."
@@ -57,7 +60,12 @@
 		else
 			..()
 
-
+	Destroy()
+		SetLuminosity(0)
+		processing_objects.Remove(src)
+		attached.attached = null
+		attached = null
+		..()
 
 	attack_paw()
 		return
@@ -117,4 +125,4 @@
 			if(power_drained >= max_power)
 				processing_objects.Remove(src)
 				explosion(src.loc, 3,6,9,12)
-				del(src)
+				qdel(src)
diff --git a/code/game/objects/items/devices/radio/radio.dm b/code/game/objects/items/devices/radio/radio.dm
index be7e314193d..8f4bfa74d16 100644
--- a/code/game/objects/items/devices/radio/radio.dm
+++ b/code/game/objects/items/devices/radio/radio.dm
@@ -816,4 +816,10 @@ var/GLOBAL_RADIO_TYPE = 1 // radio type to use
 	return
 
 /obj/item/device/radio/off
-	listening = 0
\ No newline at end of file
+	listening = 0
+
+/obj/item/device/radio/Destroy()
+	if(isrobot(src.loc))
+		var/mob/living/silicon/robot/R = src.loc
+		R.radio = null
+	..()
diff --git a/code/game/objects/items/devices/scanners.dm b/code/game/objects/items/devices/scanners.dm
index 2a0234934ec..08e94c58f89 100644
--- a/code/game/objects/items/devices/scanners.dm
+++ b/code/game/objects/items/devices/scanners.dm
@@ -20,6 +20,11 @@ REAGENT SCANNER
 	m_amt = 150
 	origin_tech = "magnets=1;engineering=1"
 
+/obj/item/device/t_scanner/Destroy()
+	if(on)
+		processing_objects.Remove(src)
+	..()
+
 /obj/item/device/t_scanner/attack_self(mob/user)
 
 	on = !on
diff --git a/code/game/objects/items/devices/transfer_valve.dm b/code/game/objects/items/devices/transfer_valve.dm
index 2fa75536ec3..dc92438dadc 100644
--- a/code/game/objects/items/devices/transfer_valve.dm
+++ b/code/game/objects/items/devices/transfer_valve.dm
@@ -41,7 +41,7 @@
 			user << "<span class='notice'>The device is secured.</span>"
 			return
 		if(attached_device)
-			user << "<span class='warning'>There is already an device attached to the valve, remove it first.</span>"
+			user << "<span class='warning'>There is already a device attached to the valve, remove it first.</span>"
 			return
 		user.remove_from_mob(item)
 		attached_device = A
diff --git a/code/modules/power/cable.dm b/code/modules/power/cable.dm
index f6588fea61f..797e472933b 100644
--- a/code/modules/power/cable.dm
+++ b/code/modules/power/cable.dm
@@ -90,6 +90,14 @@
 		if(powernet)
 			powernet.cut_cable(src)				// update the powernets
 	cable_list -= src
+	if(istype(attached))
+		attached.SetLuminosity(0)
+		attached.icon_state = "powersink0"
+		attached.mode = 0
+		processing_objects.Remove(attached)
+		attached.anchored = 0
+		attached.attached = null
+	attached = null
 	..()													// then go ahead and delete the cable
 
 /obj/structure/cable/hide(var/i)
@@ -623,4 +631,4 @@ obj/structure/cable/proc/cableColor(var/colorC)
 		else
 			user << "Nothing to fix!"
 	else
-		return ..()
\ No newline at end of file
+		return ..()