diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index 9d5755ca..4c96b73d 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -2495,7 +2495,6 @@
           "ITG05",
           "ATK 5",
           "ATK5",
-          "Swallowtail",
           "T-APT-12",
           "APT-C-20"
         ]