--- a/data/json/items/generic/casing.json
+++ b/data/json/items/generic/casins.json
@@ -31,13 +31,11 @@
   },
   {
     "id": "22_casing_new",
+    "copy-from": "casing",
     "type": "GENERIC",
-    "category": "spare_parts",
     "price": 100,
     "price_postapoc": 0,
     "name": { "str": "unused .22 casing" },
-    "symbol": "=",
-    "color": "yellow",
     "description": "An unfired, like-new .22 round casing, with the primer still intact.",
     "material": [ "powder", "brass" ],
     "volume": "3 ml",