diff --git a/clusters/tool.json b/clusters/tool.json
index c2f5985..5e9d711 100644
--- a/clusters/tool.json
+++ b/clusters/tool.json
@@ -1390,7 +1390,6 @@
         "refs": [
           "https://blog.cylance.com/shell-crew-variants-continue-to-fly-under-big-avs-radar"
         ]
-        ck
       }
     },
     {