diff --git a/src/main/java/de/epiceric/shopchest/nms/Hologram.java b/src/main/java/de/epiceric/shopchest/nms/Hologram.java
index afcbe56..4e9ed8b 100644
--- a/src/main/java/de/epiceric/shopchest/nms/Hologram.java
+++ b/src/main/java/de/epiceric/shopchest/nms/Hologram.java
@@ -11,31 +11,6 @@ import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class Hologram {
-
-    private static final List<Hologram> HOLOGRAMS = new ArrayList<>();
-
-    /**
-     * @param armorStand Armor stand that's part of a hologram
-     * @return Hologram, the armor stand is part of
-     */
-    public static Hologram getHologram(ArmorStand armorStand) {
-        for (Hologram hologram : HOLOGRAMS) {
-            if (hologram.contains(armorStand)) {
-                return hologram;
-            }
-        }
-
-        return null;
-    }
-
-    /**
-     * @param armorStand Armor stand to check
-     * @return Whether the armor stand is part of a hologram
-     */
-    public static boolean isPartOfHologram(ArmorStand armorStand) {
-        return getHologram(armorStand) != null;
-    }
-
     // concurrent since update task is in async thread
     // since this is a fake entity, hologram is hidden per default
     private final Set<UUID> viewers = Collections.newSetFromMap(new ConcurrentHashMap<UUID, Boolean>());
@@ -54,7 +29,6 @@ public class Hologram {
         }
 
         this.exists = true;
-        HOLOGRAMS.add(this);
     }
 
     /**
@@ -148,7 +122,6 @@ public class Hologram {
         wrappers.clear();
 
         exists = false;
-        HOLOGRAMS.remove(this);
     }
 
     /**