turns out you dont need it here

src/main/java/dev/plex/LibsDisguises.java

@@ -22,6 +22,6 @@ public class LibsDisguises extends PlexModule
     @Override
     public void disable()
     {
-        unregisterListener(new DisguiseListener());
+        // Unregistering listeners / commands is handled by Plex
     }
 }