diff --git a/code/_helpers/global_lists.dm b/code/_helpers/global_lists.dm
index 282139e9df..9b7c5e78df 100644
--- a/code/_helpers/global_lists.dm
+++ b/code/_helpers/global_lists.dm
@@ -23,8 +23,6 @@ var/global/list/joblist = list()					//list of all jobstypes, minus borg and AI
 #define all_genders_define_list list(MALE,FEMALE,PLURAL,NEUTER)
 #define all_genders_text_list list("Male","Female","Plural","Neuter")
 
-var/global/list/mannequins_
-
 // Times that players are allowed to respawn ("ckey" = world.time)
 GLOBAL_LIST_EMPTY(respawn_timers)
 
@@ -104,13 +102,13 @@ var/global/list/string_slot_flags = list(
 	"holster" = SLOT_HOLSTER
 )
 
-/proc/get_mannequin(var/ckey)
-	if(!mannequins_)
-		mannequins_ = new()
- 	. = mannequins_[ckey]
-	if(!.)
-		. = new/mob/living/carbon/human/dummy/mannequin()
-		mannequins_[ckey] = .
+GLOBAL_LIST_EMPTY(mannequins)
+/proc/get_mannequin(var/ckey = "NULL")
+	var/mob/living/carbon/human/dummy/mannequin/M = GLOB.mannequins[ckey]
+	if(!istype(M))
+		GLOB.mannequins[ckey] = new /mob/living/carbon/human/dummy/mannequin(null)
+		M = GLOB.mannequins[ckey]
+	return M
 
 //////////////////////////
 /////Initial Building/////
diff --git a/code/modules/client/preference_setup/general/03_body.dm b/code/modules/client/preference_setup/general/03_body.dm
index 274072e972..e95fc5e3d0 100644
--- a/code/modules/client/preference_setup/general/03_body.dm
+++ b/code/modules/client/preference_setup/general/03_body.dm
@@ -349,7 +349,9 @@ var/global/list/valid_bloodtypes = list("A+", "A-", "B+", "B-", "AB+", "AB-", "O
 		var/status = pref.organ_data[name]
 		var/obj/item/organ/external/O = character.organs_by_name[name]
 		if(O)
-			if(status == "amputated")
+			if(status == null)
+				O.derobotize()
+			else if(status == "amputated")
 				O.remove_rejuv()
 			else if(status == "cyborg")
 				if(pref.rlimb_data[name])
@@ -359,15 +361,15 @@ var/global/list/valid_bloodtypes = list("A+", "A-", "B+", "B-", "AB+", "AB-", "O
 
 	for(var/name in list(O_HEART,O_EYES,O_VOICE,O_LUNGS,O_LIVER,O_KIDNEYS,O_SPLEEN,O_STOMACH,O_INTESTINE,O_BRAIN))
 		var/status = pref.organ_data[name]
-		if(!status)
-			continue
 		var/obj/item/organ/I = character.internal_organs_by_name[name]
 		if(istype(I, /obj/item/organ/internal/brain))
 			var/obj/item/organ/external/E = character.get_organ(I.parent_organ)
 			if(E.robotic < ORGAN_ASSISTED)
 				continue
 		if(I)
-			if(status == "assisted")
+			if(status == null)
+				I.derobotize()
+			else if(status == "assisted")
 				I.mechassist()
 			else if(status == "mechanical")
 				I.robotize()
diff --git a/code/modules/organs/internal/_organ_internal.dm b/code/modules/organs/internal/_organ_internal.dm
index 58ed176505..63b386c446 100644
--- a/code/modules/organs/internal/_organ_internal.dm
+++ b/code/modules/organs/internal/_organ_internal.dm
@@ -40,6 +40,13 @@
 	if(dead_icon)
 		dead_icon = "[initial(dead_icon)]_prosthetic"
 
+/obj/item/organ/internal/derobotize()
+	. = ..()
+	if (!.) return
+	name = initial(name)
+	icon_state = initial(icon_state)
+	dead_icon = initial(dead_icon)
+
 /obj/item/organ/internal/mechassist()
 	..()
 	name = "assisted [initial(name)]"
diff --git a/code/modules/organs/internal/brain.dm b/code/modules/organs/internal/brain.dm
index 4d53f04f56..367d58308b 100644
--- a/code/modules/organs/internal/brain.dm
+++ b/code/modules/organs/internal/brain.dm
@@ -52,6 +52,12 @@ GLOBAL_LIST_BOILERPLATE(all_brain_organs, /obj/item/organ/internal/brain)
 /obj/item/organ/internal/brain/robotize()
 	replace_self_with(/obj/item/organ/internal/mmi_holder/posibrain)
 
+/obj/item/organ/internal/brain/derobotize()
+	if (ispath(owner?.species?.has_organ?[O_BRAIN], /obj/item/organ/internal/brain))
+		replace_self_with(owner.species.has_organ[O_BRAIN])
+	else
+		replace_self_with(/obj/item/organ/internal/brain)
+
 /obj/item/organ/internal/brain/mechassist()
 	replace_self_with(/obj/item/organ/internal/mmi_holder)
 
diff --git a/code/modules/organs/internal/eyes.dm b/code/modules/organs/internal/eyes.dm
index 18307d69a9..538a674823 100644
--- a/code/modules/organs/internal/eyes.dm
+++ b/code/modules/organs/internal/eyes.dm
@@ -12,6 +12,10 @@
 	name = "optical sensor"
 	verbs |= /obj/item/organ/internal/eyes/proc/change_eye_color
 
+/obj/item/organ/internal/eyes/derobotize()
+	. = ..()
+	verbs -= /obj/item/organ/internal/eyes/proc/change_eye_color
+
 /obj/item/organ/internal/eyes/robot
 	name = "optical sensor"
 
diff --git a/code/modules/organs/internal/heart.dm b/code/modules/organs/internal/heart.dm
index 68ba76605d..a910d95401 100644
--- a/code/modules/organs/internal/heart.dm
+++ b/code/modules/organs/internal/heart.dm
@@ -24,6 +24,11 @@
 	..()
 	standard_pulse_level = PULSE_NONE
 
+/obj/item/organ/internal/heart/derobotize()
+	. = ..()
+	if (!.) return
+	standard_pulse_level = initial(standard_pulse_level)
+
 /obj/item/organ/internal/heart/grey
 	icon_state = "heart_grey-on"
 	dead_icon = "heart_grey-off"
diff --git a/code/modules/organs/organ.dm b/code/modules/organs/organ.dm
index b44627ea47..881b07ef35 100644
--- a/code/modules/organs/organ.dm
+++ b/code/modules/organs/organ.dm
@@ -274,7 +274,9 @@ var/global/list/organ_cache = list()
 		handle_organ_mod_special()
 	if(!ignore_prosthetic_prefs && owner && owner.client && owner.client.prefs && owner.client.prefs.real_name == owner.real_name)
 		var/status = owner.client.prefs.organ_data[organ_tag]
-		if(status == "assisted")
+		if(status == null)
+			derobotize()
+		else if(status == "assisted")
 			mechassist()
 		else if(status == "mechanical")
 			robotize()
@@ -339,6 +341,15 @@ var/global/list/organ_cache = list()
 	src.status &= ~ORGAN_BLEEDING
 	src.status &= ~ORGAN_CUT_AWAY
 
+/obj/item/organ/proc/derobotize()
+	if (robotic < ORGAN_ROBOT)
+		return FALSE//already flesh
+	robotic = ORGAN_FLESH
+	min_bruised_damage = initial(min_bruised_damage)
+	min_broken_damage = initial(min_broken_damage)
+	butcherable = initial(butcherable)
+	return TRUE
+
 /obj/item/organ/proc/mechassist() //Used to add things like pacemakers, etc
 	robotize()
 	robotic = ORGAN_ASSISTED
diff --git a/code/modules/organs/organ_external.dm b/code/modules/organs/organ_external.dm
index b741df7544..822ce2776f 100644
--- a/code/modules/organs/organ_external.dm
+++ b/code/modules/organs/organ_external.dm
@@ -480,7 +480,9 @@ This function completely restores a damaged organ to perfect condition.
 	if(owner && !ignore_prosthetic_prefs)
 		if(owner.client && owner.client.prefs && owner.client.prefs.real_name == owner.real_name)
 			var/status = owner.client.prefs.organ_data[organ_tag]
-			if(status == "amputated")
+			if(status == null)
+				derobotize()
+			else if(status == "amputated")
 				remove_rejuv()
 			else if(status == "cyborg")
 				var/robodata = owner.client.prefs.rlimb_data[organ_tag]
@@ -1150,6 +1152,45 @@ Note that amputating the affected organ does in fact remove the infection from t
 		owner.refresh_modular_limb_verbs()
 	return 1
 
+/obj/item/organ/external/derobotize(var/restore_organs = TRUE)
+	. = ..()
+	if (!.) return
+	var/datum/robolimb/R = all_robolimbs[model]
+	if (R)
+		brute_mod /= R.robo_brute_mod
+		burn_mod /= R.robo_burn_mod
+	else
+		brute_mod = initial(brute_mod)
+		burn_mod = initial(burn_mod)
+	model = null
+	force_icon = initial(force_icon)
+	name = initial(name)
+	desc = initial(desc)
+	dislocated = initial(dislocated)
+	cannot_break = initial(cannot_break)
+	drop_sound = initial(drop_sound)
+	pickup_sound = initial(pickup_sound)
+	if (restore_organs && LAZYLEN(owner?.species?.has_organ))
+		for(var/obj/item/organ/thing in internal_organs)
+			if(istype(thing))
+				if (!(thing.organ_tag in owner.species.has_organ) && !istype(thing, /obj/item/organ/internal/brain))
+					internal_organs -= thing
+					owner.internal_organs_by_name[thing.organ_tag] = null
+					owner.internal_organs_by_name -= thing.organ_tag
+					owner.internal_organs.Remove(thing)
+					qdel(thing)
+				else
+					thing.derobotize()
+		for (var/organ_area in owner.species.has_organ)
+			if (owner.internal_organs_by_name[organ_area])
+				continue
+			var/obj/item/organ/internal/organtype = owner.species.has_organ[organ_area]
+			if (initial(organtype.parent_organ) == organ_tag)
+				owner.internal_organs_by_name[organ_area] = new organtype(owner, TRUE)
+		while(null in owner.internal_organs)
+			owner.internal_organs -= null
+		owner.refresh_modular_limb_verbs()
+
 /obj/item/organ/external/proc/mutate()
 	if(src.robotic >= ORGAN_ROBOT)
 		return
diff --git a/code/modules/organs/subtypes/standard.dm b/code/modules/organs/subtypes/standard.dm
index 3493b65acb..76f7efb93b 100644
--- a/code/modules/organs/subtypes/standard.dm
+++ b/code/modules/organs/subtypes/standard.dm
@@ -39,6 +39,11 @@
 		owner.synthetic = R
 	return FALSE
 
+/obj/item/organ/external/chest/derobotize()
+	. = ..()
+	if (!.) return
+	owner?.synthetic = null
+
 /obj/item/organ/external/chest/handle_germ_effects()
 	. = ..() //Should return an infection level
 	if(!. || (status & ORGAN_DEAD)) return //If it's already above 2, it's become necrotic and we can just not worry about it.
@@ -293,6 +298,12 @@
 			LAZYREMOVE(organ_verbs, /mob/living/carbon/human/proc/setmonitor_state)
 		handle_organ_mod_special()
 
+/obj/item/organ/external/head/derobotize()
+	. = ..()
+	if (!.) return
+	LAZYREMOVE(organ_verbs, /mob/living/carbon/human/proc/setmonitor_state)
+	handle_organ_mod_special()
+
 /obj/item/organ/external/head/removed()
 	if(owner)
 		if(iscarbon(owner))