diff --git a/code/game/objects/items/stacks/stack.dm b/code/game/objects/items/stacks/stack.dm
index ddb24daf839..1bfa790961d 100644
--- a/code/game/objects/items/stacks/stack.dm
+++ b/code/game/objects/items/stacks/stack.dm
@@ -62,6 +62,10 @@
 	if (src && usr && usr.machine == src)
 		usr << browse(null, "window=stack")
 		usr.unset_machine()
+
+	recipes = null
+	build_type = null
+	synths = null
 	return ..()
 
 /obj/item/stack/update_icon()
diff --git a/code/modules/materials/material_sheets.dm b/code/modules/materials/material_sheets.dm
index 847730f016f..bcc79ef52d4 100644
--- a/code/modules/materials/material_sheets.dm
+++ b/code/modules/materials/material_sheets.dm
@@ -50,6 +50,10 @@
 
 	matter = material.get_matter()
 
+/obj/item/stack/material/Destroy()
+	material = null
+	return ..()
+
 /obj/item/stack/material/get_material()
 	return material
 
diff --git a/html/changelogs/hellfirejag-materials-hard-del.yml b/html/changelogs/hellfirejag-materials-hard-del.yml
new file mode 100644
index 00000000000..26c940768b3
--- /dev/null
+++ b/html/changelogs/hellfirejag-materials-hard-del.yml
@@ -0,0 +1,4 @@
+author: Hellfirejag
+delete-after: True
+changes:
+  - bugfix: "Removed a hard del related to material stacks."