diff --git a/src/fr/maxlego08/koth/zcore/ZPlugin.java b/src/fr/maxlego08/koth/zcore/ZPlugin.java
index 0d11942..6046e19 100644
--- a/src/fr/maxlego08/koth/zcore/ZPlugin.java
+++ b/src/fr/maxlego08/koth/zcore/ZPlugin.java
@@ -7,7 +7,6 @@ import java.util.List;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.event.Listener;
-import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.potion.PotionEffect;
@@ -18,7 +17,6 @@ import com.google.gson.GsonBuilder;
 import fr.maxlego08.koth.listener.ListenerAdapter;
 import fr.maxlego08.koth.zcore.logger.Logger;
 import fr.maxlego08.koth.zcore.logger.Logger.LogType;
-import fr.maxlego08.koth.zcore.utils.gson.ItemStackAdapter;
 import fr.maxlego08.koth.zcore.utils.gson.LocationAdapter;
 import fr.maxlego08.koth.zcore.utils.gson.PotionEffectAdapter;
 import fr.maxlego08.koth.zcore.utils.storage.Persist;
@@ -80,7 +78,6 @@ public abstract class ZPlugin extends JavaPlugin {
 	public GsonBuilder getGsonBuilder() {
 		return new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().serializeNulls()
 				.excludeFieldsWithModifiers(Modifier.TRANSIENT, Modifier.VOLATILE)
-				.registerTypeHierarchyAdapter(ItemStack.class, new ItemStackAdapter())
 				.registerTypeAdapter(PotionEffect.class, new PotionEffectAdapter())
 				.registerTypeAdapter(Location.class, new LocationAdapter());
 	}
diff --git a/src/fr/maxlego08/koth/zcore/utils/gson/ItemStackAdapter.java b/src/fr/maxlego08/koth/zcore/utils/gson/ItemStackAdapter.java
deleted file mode 100644
index 8b341c5..0000000
--- a/src/fr/maxlego08/koth/zcore/utils/gson/ItemStackAdapter.java
+++ /dev/null
@@ -1,149 +0,0 @@
-package fr.maxlego08.koth.zcore.utils.gson;
-
-import java.io.IOException;
-import java.lang.reflect.Type;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Map.Entry;
-
-import org.bukkit.configuration.serialization.ConfigurationSerializable;
-import org.bukkit.configuration.serialization.ConfigurationSerialization;
-import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftItemStack;
-import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.meta.ItemMeta;
-
-import com.google.gson.TypeAdapter;
-import com.google.gson.reflect.TypeToken;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonToken;
-import com.google.gson.stream.JsonWriter;
-
-import fr.maxlego08.koth.zcore.ZPlugin;
-import net.minecraft.server.v1_15_R1.NBTTagCompound;
-
-public class ItemStackAdapter extends TypeAdapter<ItemStack>{
-
-	private static Type seriType = new TypeToken<Map<String, Object>>(){}.getType();
-	
-	@Override
-	public void write(JsonWriter jsonWriter, ItemStack itemStack) throws IOException {
-		if(itemStack == null) {
-			jsonWriter.nullValue();
-			return;
-		}
-		jsonWriter.value(getRaw(removeSlotNBT(itemStack)));
-	}
-
-	@Override
-	public ItemStack read(JsonReader jsonReader) throws IOException {
-		if(jsonReader.peek() == JsonToken.NULL) {
-			jsonReader.nextNull();
-			return null;
-		}
-		return fromRaw(jsonReader.nextString());
-	}
-
-	private String getRaw (ItemStack item) {
-		Map<String, Object> serial = item.serialize();
-
-		if(serial.get("meta") != null) {
-			ItemMeta itemMeta = item.getItemMeta();
-
-			Map<String, Object> originalMeta = itemMeta.serialize();
-			Map<String, Object> meta = new HashMap<String, Object>();
-			for(Entry<String, Object> entry : originalMeta.entrySet())
-				meta.put(entry.getKey(), entry.getValue());
-			Object o;
-			for(Entry<String, Object> entry : meta.entrySet()) {
-				o = entry.getValue();
-				if(o instanceof ConfigurationSerializable) {
-					ConfigurationSerializable serializable = (ConfigurationSerializable) o;
-					Map<String, Object> serialized = recursiveSerialization(serializable);
-					meta.put(entry.getKey(), serialized);
-				}
-			}
-			serial.put("meta", meta);
-		}
-
-		return ZPlugin.z().getGson().toJson(serial);
-	}
-
-	@SuppressWarnings("unchecked")
-	private ItemStack fromRaw (String raw) {
-		Map<String, Object> keys = ZPlugin.z().getGson().fromJson(raw, seriType);
-
-		if(keys.get("amount") != null) {
-			Double d = (Double) keys.get("amount");
-			Integer i = d.intValue();
-			keys.put("amount", i);
-		}
-
-		ItemStack item;
-		try {
-			item = ItemStack.deserialize(keys);
-		}catch(Exception e) {
-			return null;
-		}
-
-		if(item == null)
-			return null;
-
-		if(keys.containsKey("meta")) {
-			Map<String, Object> itemmeta = (Map<String, Object>) keys.get("meta");
-			itemmeta = recursiveDoubleToInteger(itemmeta);
-			ItemMeta meta = (ItemMeta) ConfigurationSerialization.deserializeObject(itemmeta, ConfigurationSerialization.getClassByAlias("ItemMeta"));
-			item.setItemMeta(meta);
-		}
-
-		return item;
-	}
-	
-	private static ItemStack removeSlotNBT (ItemStack item) {
-		if (item == null)
-			return null;
-		net.minecraft.server.v1_15_R1.ItemStack nmsi = CraftItemStack.asNMSCopy(item);
-		if (nmsi == null)
-			return null;
-		NBTTagCompound nbtt = nmsi.getTag();
-		if(nbtt != null) {
-			nbtt.remove("Slot");
-			nmsi.setTag(nbtt);
-		}
-		return item;
-	}
-	@SuppressWarnings("unchecked")
-	private static Map<String, Object> recursiveDoubleToInteger(Map<String, Object> originalMap) {
-		Map<String, Object> map = new HashMap<String, Object>();
-		for(Entry<String, Object> entry : originalMap.entrySet()) {
-			Object o = entry.getValue();
-			if(o instanceof Double) {
-				Double d = (Double) o;
-				Integer i = d.intValue();
-				map.put(entry.getKey(), i);
-			}else if(o instanceof Map) {
-				Map<String, Object> subMap = (Map<String, Object>) o;
-				map.put(entry.getKey(), recursiveDoubleToInteger(subMap));
-			}else{
-				map.put(entry.getKey(), o);
-			}
-		}
-		return map;
-	}
-	
-	private static Map<String, Object> recursiveSerialization(ConfigurationSerializable o) {
-		Map<String, Object> originalMap = o.serialize();
-		Map<String, Object> map = new HashMap<String, Object>();
-		for(Entry<String, Object> entry : originalMap.entrySet()) {
-			Object o2 = entry.getValue();
-			if(o2 instanceof ConfigurationSerializable) {
-				ConfigurationSerializable serializable = (ConfigurationSerializable) o2;
-				Map<String, Object> newMap = recursiveSerialization(serializable);
-				newMap.put("SERIAL-ADAPTER-CLASS-KEY", ConfigurationSerialization.getAlias(serializable.getClass()));
-				map.put(entry.getKey(), newMap);
-			}
-		}
-		map.put("SERIAL-ADAPTER-CLASS-KEY", ConfigurationSerialization.getAlias(o.getClass()));
-		return map;
-	}
-	
-}