diff --git a/code/datums/dna.dm b/code/datums/dna.dm
index 6b53310261a..3651735ddfd 100644
--- a/code/datums/dna.dm
+++ b/code/datums/dna.dm
@@ -415,20 +415,21 @@ GLOBAL_LIST_INIT(total_uf_len_by_block, populate_total_uf_len_by_block())
 //SKYRAT EDIT REMOVAL END
 
 //Please use add_mutation or activate_mutation instead
-/datum/dna/proc/force_give(datum/mutation/human/HM)
-	if(holder && HM)
-		if(HM.class == MUT_NORMAL)
-			set_se(1, HM)
-		. = HM.on_acquiring(holder)
+/datum/dna/proc/force_give(datum/mutation/human/human_mutation)
+	if(holder && human_mutation)
+		if(human_mutation.class == MUT_NORMAL)
+			set_se(1, human_mutation)
+		. = human_mutation.on_acquiring(holder)
 		if(.)
-			qdel(HM)
+			qdel(human_mutation)
 		update_instability()
 
 //Use remove_mutation instead
-/datum/dna/proc/force_lose(datum/mutation/human/HM)
-	if(holder && (HM in mutations))
-		set_se(0, HM)
-		. = HM.on_losing(holder)
+/datum/dna/proc/force_lose(datum/mutation/human/human_mutation)
+	if(holder && (human_mutation in mutations))
+		set_se(0, human_mutation)
+		. = human_mutation.on_losing(holder)
+		qdel(human_mutation) // qdel mutations on removal
 		update_instability(FALSE)
 		return
 
diff --git a/code/datums/mutations/_mutations.dm b/code/datums/mutations/_mutations.dm
index bb9b37fd03e..cc99917c746 100644
--- a/code/datums/mutations/_mutations.dm
+++ b/code/datums/mutations/_mutations.dm
@@ -147,7 +147,6 @@
 		mut_overlay.Remove(get_visual_indicator())
 		owner.overlays_standing[layer_used] = mut_overlay
 		owner.apply_overlay(layer_used)
-	qdel(src)
 
 /mob/living/carbon/proc/update_mutations_overlay()
 	return
diff --git a/code/datums/mutations/hulk.dm b/code/datums/mutations/hulk.dm
index 1049e5660af..a76adac10ac 100644
--- a/code/datums/mutations/hulk.dm
+++ b/code/datums/mutations/hulk.dm
@@ -82,6 +82,7 @@
 	if(owner.health < owner.crit_threshold)
 		on_losing(owner)
 		to_chat(owner, span_danger("You suddenly feel very weak."))
+		qdel(src)
 
 /datum/mutation/human/hulk/on_losing(mob/living/carbon/human/owner)
 	if(..())