diff --git a/clusters/tool.json b/clusters/tool.json
index bfb4154..fab733f 100644
--- a/clusters/tool.json
+++ b/clusters/tool.json
@@ -270,7 +270,7 @@
       "meta": {
         "synonyms": [
           "TROJ_DLLSERV.BE"
-          ],
+        ],
         "refs": [
           "http://www.novetta.com/wp-content/uploads/2014/11/Derusbi.pdf",
           "https://www.rsaconference.com/writable/presentations/file_upload/hta-w02-dissecting-derusbi.pdf"
@@ -439,9 +439,6 @@
         ]
       }
     },
-    {
-      "value": "CORESHELL"
-    },
     {
       "value": "CHOPSTICK",
       "description": "backdoor",