diff --git a/src/main/java/com/songoda/ultimatestacker/UltimateStacker.java b/src/main/java/com/songoda/ultimatestacker/UltimateStacker.java
index a92b12e..3e9e106 100644
--- a/src/main/java/com/songoda/ultimatestacker/UltimateStacker.java
+++ b/src/main/java/com/songoda/ultimatestacker/UltimateStacker.java
@@ -30,7 +30,15 @@ import com.songoda.ultimatestacker.database.migrations._3_BlockStacks;
 import com.songoda.ultimatestacker.database.migrations._6_RemoveStackedEntityTable;
 import com.songoda.ultimatestacker.hook.StackerHook;
 import com.songoda.ultimatestacker.hook.hooks.JobsHook;
-import com.songoda.ultimatestacker.listeners.*;
+import com.songoda.ultimatestacker.listeners.BlockListeners;
+import com.songoda.ultimatestacker.listeners.BreedListeners;
+import com.songoda.ultimatestacker.listeners.ClearLagListeners;
+import com.songoda.ultimatestacker.listeners.DeathListeners;
+import com.songoda.ultimatestacker.listeners.InteractListeners;
+import com.songoda.ultimatestacker.listeners.ShearListeners;
+import com.songoda.ultimatestacker.listeners.SheepDyeListeners;
+import com.songoda.ultimatestacker.listeners.SpawnerListeners;
+import com.songoda.ultimatestacker.listeners.TameListeners;
 import com.songoda.ultimatestacker.listeners.entity.EntityCurrentListener;
 import com.songoda.ultimatestacker.listeners.entity.EntityListeners;
 import com.songoda.ultimatestacker.listeners.item.ItemCurrentListener;
@@ -49,13 +57,11 @@ import com.songoda.ultimatestacker.stackable.spawner.SpawnerStackManager;
 import com.songoda.ultimatestacker.tasks.StackingTask;
 import com.songoda.ultimatestacker.utils.Async;
 import com.songoda.ultimatestacker.utils.Methods;
-import io.lumine.mythic.bukkit.listeners.ChunkListeners;
 import org.apache.commons.lang.WordUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.World;
-import org.bukkit.block.Block;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Item;
 import org.bukkit.entity.Player;
@@ -67,7 +73,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
-import java.util.Objects;
 import java.util.Set;
 
 public class UltimateStacker extends SongodaPlugin {
diff --git a/src/main/java/com/songoda/ultimatestacker/commands/CommandConvert.java b/src/main/java/com/songoda/ultimatestacker/commands/CommandConvert.java
index beec318..e56f711 100644
--- a/src/main/java/com/songoda/ultimatestacker/commands/CommandConvert.java
+++ b/src/main/java/com/songoda/ultimatestacker/commands/CommandConvert.java
@@ -4,7 +4,6 @@ import com.songoda.core.commands.AbstractCommand;
 import com.songoda.core.gui.GuiManager;
 import com.songoda.core.utils.TextUtils;
 import com.songoda.ultimatestacker.gui.GUIConvert;
-import com.songoda.ultimatestacker.utils.Methods;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
diff --git a/src/main/java/com/songoda/ultimatestacker/commands/CommandRemoveAll.java b/src/main/java/com/songoda/ultimatestacker/commands/CommandRemoveAll.java
index ea8cca8..87c5f01 100644
--- a/src/main/java/com/songoda/ultimatestacker/commands/CommandRemoveAll.java
+++ b/src/main/java/com/songoda/ultimatestacker/commands/CommandRemoveAll.java
@@ -5,7 +5,6 @@ import com.songoda.core.utils.TextUtils;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.stackable.entity.EntityStack;
 import com.songoda.ultimatestacker.stackable.entity.EntityStackManager;
-import com.songoda.ultimatestacker.utils.Methods;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.command.CommandSender;
diff --git a/src/main/java/com/songoda/ultimatestacker/commands/CommandSpawn.java b/src/main/java/com/songoda/ultimatestacker/commands/CommandSpawn.java
index c5b0e8f..58cb2de 100644
--- a/src/main/java/com/songoda/ultimatestacker/commands/CommandSpawn.java
+++ b/src/main/java/com/songoda/ultimatestacker/commands/CommandSpawn.java
@@ -4,9 +4,6 @@ import com.songoda.core.commands.AbstractCommand;
 import com.songoda.core.utils.TextUtils;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.stackable.entity.EntityStack;
-import com.songoda.ultimatestacker.utils.Methods;
-import org.bukkit.Location;
-import org.bukkit.Material;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.LivingEntity;
@@ -14,7 +11,6 @@ import org.bukkit.entity.Player;
 
 import java.util.Arrays;
 import java.util.List;
-import java.util.Set;
 import java.util.stream.Collectors;
 
 /**
diff --git a/src/main/java/com/songoda/ultimatestacker/convert/StackMobConvert.java b/src/main/java/com/songoda/ultimatestacker/convert/StackMobConvert.java
index 96eb27a..deb6438 100644
--- a/src/main/java/com/songoda/ultimatestacker/convert/StackMobConvert.java
+++ b/src/main/java/com/songoda/ultimatestacker/convert/StackMobConvert.java
@@ -1,13 +1,9 @@
 package com.songoda.ultimatestacker.convert;
 
 import com.songoda.ultimatestacker.UltimateStacker;
-import com.songoda.ultimatestacker.stackable.entity.EntityStackManager;
 import org.bukkit.Bukkit;
 import uk.antiperson.stackmob.StackMob;
 
-import java.util.Map;
-import java.util.UUID;
-
 public class StackMobConvert implements Convert {
 
     private final UltimateStacker plugin;
diff --git a/src/main/java/com/songoda/ultimatestacker/convert/WildStackerConvert.java b/src/main/java/com/songoda/ultimatestacker/convert/WildStackerConvert.java
index be50053..52a40b5 100644
--- a/src/main/java/com/songoda/ultimatestacker/convert/WildStackerConvert.java
+++ b/src/main/java/com/songoda/ultimatestacker/convert/WildStackerConvert.java
@@ -2,19 +2,12 @@ package com.songoda.ultimatestacker.convert;
 
 import com.bgsoftware.wildstacker.api.WildStackerAPI;
 import com.bgsoftware.wildstacker.api.objects.StackedSpawner;
-import com.songoda.core.database.DatabaseConnector;
-import com.songoda.core.database.SQLiteConnector;
 import com.songoda.ultimatestacker.UltimateStacker;
-import com.songoda.ultimatestacker.stackable.entity.EntityStackManager;
 import com.songoda.ultimatestacker.stackable.spawner.SpawnerStack;
 import org.bukkit.Bukkit;
 import org.bukkit.block.CreatureSpawner;
 import org.bukkit.plugin.Plugin;
 
-import java.sql.ResultSet;
-import java.sql.Statement;
-import java.util.UUID;
-
 public class WildStackerConvert implements Convert {
 
     private Plugin wildStacker;
diff --git a/src/main/java/com/songoda/ultimatestacker/database/DataManager.java b/src/main/java/com/songoda/ultimatestacker/database/DataManager.java
index c258595..aa73caa 100644
--- a/src/main/java/com/songoda/ultimatestacker/database/DataManager.java
+++ b/src/main/java/com/songoda/ultimatestacker/database/DataManager.java
@@ -4,28 +4,21 @@ import com.songoda.core.compatibility.CompatibleMaterial;
 import com.songoda.core.database.DataManagerAbstract;
 import com.songoda.core.database.DatabaseConnector;
 import com.songoda.core.database.DatabaseType;
-import com.songoda.ultimatestacker.settings.Settings;
 import com.songoda.ultimatestacker.stackable.block.BlockStack;
-import com.songoda.ultimatestacker.stackable.entity.EntityStack;
-import com.songoda.ultimatestacker.stackable.entity.StackedEntity;
 import com.songoda.ultimatestacker.stackable.spawner.SpawnerStack;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.plugin.Plugin;
-import org.checkerframework.common.returnsreceiver.qual.This;
 
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
-import java.util.UUID;
 import java.util.function.Consumer;
 
 public class DataManager extends DataManagerAbstract {
diff --git a/src/main/java/com/songoda/ultimatestacker/gui/GUIConvertWhat.java b/src/main/java/com/songoda/ultimatestacker/gui/GUIConvertWhat.java
index bcb0269..a9b2c8a 100644
--- a/src/main/java/com/songoda/ultimatestacker/gui/GUIConvertWhat.java
+++ b/src/main/java/com/songoda/ultimatestacker/gui/GUIConvertWhat.java
@@ -4,9 +4,7 @@ import com.songoda.core.compatibility.CompatibleMaterial;
 import com.songoda.core.gui.Gui;
 import com.songoda.core.gui.GuiUtils;
 import com.songoda.core.utils.TextUtils;
-import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.convert.Convert;
-import com.songoda.ultimatestacker.utils.Methods;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/BlockListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/BlockListeners.java
index 02b32a5..7cf8cfe 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/BlockListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/BlockListeners.java
@@ -3,7 +3,6 @@ package com.songoda.ultimatestacker.listeners;
 import com.songoda.core.compatibility.CompatibleHand;
 import com.songoda.core.compatibility.CompatibleMaterial;
 import com.songoda.core.hooks.ProtectionManager;
-import com.songoda.core.hooks.protection.BentoBoxProtection;
 import com.songoda.core.third_party.de.tr7zw.nbtapi.NBTItem;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.events.SpawnerBreakEvent;
@@ -13,7 +12,6 @@ import com.songoda.ultimatestacker.stackable.block.BlockStack;
 import com.songoda.ultimatestacker.stackable.block.BlockStackManager;
 import com.songoda.ultimatestacker.stackable.spawner.SpawnerStack;
 import com.songoda.ultimatestacker.utils.Methods;
-import io.lumine.mythic.bukkit.utils.menu.ClickAction;
 import org.apache.commons.lang.math.NumberUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
@@ -35,7 +33,6 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BlockStateMeta;
 
 import java.util.List;
-import java.util.Map;
 
 public class BlockListeners implements Listener {
 
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/BreedListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/BreedListeners.java
index d0d1899..af9f2e5 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/BreedListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/BreedListeners.java
@@ -3,7 +3,6 @@ package com.songoda.ultimatestacker.listeners;
 import com.songoda.ultimatestacker.UltimateStacker;
 import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityBreedEvent;
 import org.bukkit.metadata.FixedMetadataValue;
@@ -16,7 +15,7 @@ public class BreedListeners implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onBread(EntityBreedEvent event) {
         Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, () -> {
             event.getFather().removeMetadata("breedCooldown", plugin);
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/DeathListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/DeathListeners.java
index 4082770..ac556dd 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/DeathListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/DeathListeners.java
@@ -13,12 +13,10 @@ import org.bukkit.GameRule;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.ChestedHorse;
-import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
@@ -47,7 +45,7 @@ public class DeathListeners implements Listener {
 
     private final Map<UUID, List<ItemStack>> finalItems = new HashMap<>();
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onEntityDamage(EntityDamageEvent event) {
         if (!(event.getEntity() instanceof LivingEntity))
             return;
@@ -58,7 +56,7 @@ public class DeathListeners implements Listener {
 
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onEntityDeath(EntityDeathEvent event) {
         LivingEntity entity = event.getEntity();
         if (event.getEntityType() == EntityType.PLAYER
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/InteractListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/InteractListeners.java
index 0d1b2ee..96eb7c8 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/InteractListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/InteractListeners.java
@@ -16,7 +16,6 @@ import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Wolf;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerInteractAtEntityEvent;
 import org.bukkit.inventory.ItemStack;
@@ -30,7 +29,7 @@ public class InteractListeners implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onInteract(PlayerInteractAtEntityEvent event) {
         if (!(event.getRightClicked() instanceof LivingEntity)) return;
         Player player = event.getPlayer();
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/ShearListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/ShearListeners.java
index 70ee389..3077b7a 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/ShearListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/ShearListeners.java
@@ -15,7 +15,6 @@ import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.MushroomCow;
 import org.bukkit.entity.Sheep;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerShearEntityEvent;
 import org.bukkit.inventory.ItemStack;
@@ -30,7 +29,7 @@ public class ShearListeners implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onShear(PlayerShearEntityEvent event) {
         LivingEntity entity = (LivingEntity)event.getEntity();
 
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/SheepDyeListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/SheepDyeListeners.java
index 1fe55dd..914a835 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/SheepDyeListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/SheepDyeListeners.java
@@ -7,7 +7,6 @@ import com.songoda.ultimatestacker.stackable.entity.EntityStackManager;
 import com.songoda.ultimatestacker.stackable.entity.Split;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.SheepDyeWoolEvent;
 
@@ -19,7 +18,7 @@ public class SheepDyeListeners implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onDye(SheepDyeWoolEvent event) {
         LivingEntity entity = event.getEntity();
 
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/TameListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/TameListeners.java
index ec93ed4..2335c64 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/TameListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/TameListeners.java
@@ -5,7 +5,6 @@ import com.songoda.ultimatestacker.stackable.entity.EntityStack;
 import com.songoda.ultimatestacker.stackable.entity.EntityStackManager;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityTameEvent;
 
@@ -17,7 +16,7 @@ public class TameListeners implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onTame(EntityTameEvent event) {
         LivingEntity entity = event.getEntity();
 
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityCurrentListener.java b/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityCurrentListener.java
index a32b96c..a976c2a 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityCurrentListener.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityCurrentListener.java
@@ -1,21 +1,12 @@
 package com.songoda.ultimatestacker.listeners.entity;
 
 import com.songoda.ultimatestacker.UltimateStacker;
-import com.songoda.ultimatestacker.settings.Settings;
 import com.songoda.ultimatestacker.stackable.entity.EntityStack;
 import com.songoda.ultimatestacker.stackable.entity.EntityStackManager;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
-import org.bukkit.event.entity.EntityDeathEvent;
 import org.bukkit.event.entity.EntityTransformEvent;
-import org.bukkit.event.world.EntitiesLoadEvent;
-
-import java.util.Arrays;
-import java.util.List;
 
 public class EntityCurrentListener implements Listener {
 
@@ -25,7 +16,7 @@ public class EntityCurrentListener implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onSpawn(EntityTransformEvent event) {
         EntityStackManager stackManager = plugin.getEntityStackManager();
         if (stackManager.isStackedEntity(event.getEntity())
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityListeners.java
index a222fc8..93a21f8 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/entity/EntityListeners.java
@@ -22,7 +22,10 @@ import org.bukkit.entity.TNTPrimed;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
-import org.bukkit.event.entity.*;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+import org.bukkit.event.entity.EntityExplodeEvent;
+import org.bukkit.event.entity.ItemSpawnEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.metadata.FixedMetadataValue;
 import org.bukkit.util.Vector;
@@ -39,7 +42,7 @@ public class EntityListeners implements Listener {
         this.plugin = plugin;
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onEgg(ItemSpawnEvent event) {
         Material material = event.getEntity().getItemStack().getType();
         if (material != Material.EGG
@@ -92,7 +95,7 @@ public class EntityListeners implements Listener {
         }
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onSpawn(CreatureSpawnEvent event) {
         event.getEntity().setMetadata("US_REASON", new FixedMetadataValue(plugin, event.getSpawnReason().name()));
     }
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemCurrentListener.java b/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemCurrentListener.java
index d3fe4dc..9f8d66c 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemCurrentListener.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemCurrentListener.java
@@ -8,14 +8,13 @@ import org.bukkit.entity.Arrow;
 import org.bukkit.entity.Item;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityPickupItemEvent;
 import org.bukkit.inventory.ItemStack;
 
 public class ItemCurrentListener implements Listener {
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onPickup(EntityPickupItemEvent event) {
         if (!Settings.STACK_ITEMS.getBoolean() || event.getItem() instanceof Arrow) return;
         // Amount here is not the total amount of item (32 if more than 32) but the amount of item the player can retrieve
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemLegacyListener.java b/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemLegacyListener.java
index 6544b4c..0454637 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemLegacyListener.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemLegacyListener.java
@@ -7,14 +7,13 @@ import com.songoda.ultimatestacker.utils.Methods;
 import org.bukkit.entity.Arrow;
 import org.bukkit.entity.Item;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerPickupItemEvent;
 import org.bukkit.inventory.ItemStack;
 
 public class ItemLegacyListener implements Listener {
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onPickup(PlayerPickupItemEvent event) {
         if (!Settings.STACK_ITEMS.getBoolean() || event.getItem() instanceof Arrow) return;
         // Amount here is not the total amount of item (32 if more than 32) but the amount of item the player can retrieve
diff --git a/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemListeners.java b/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemListeners.java
index ce784f0..06f53e1 100644
--- a/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemListeners.java
+++ b/src/main/java/com/songoda/ultimatestacker/listeners/item/ItemListeners.java
@@ -9,7 +9,6 @@ import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
 import org.bukkit.entity.Item;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.ItemMergeEvent;
 import org.bukkit.event.entity.ItemSpawnEvent;
@@ -59,7 +58,7 @@ public class ItemListeners implements Listener {
         event.getEntity().remove();
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onInvPickup(InventoryPickupItemEvent event) {
         if (!Settings.STACK_ITEMS.getBoolean() || !UltimateStacker.hasCustomAmount(event.getItem())) {
             return;
@@ -74,7 +73,7 @@ public class ItemListeners implements Listener {
         }
     }
 
-    @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
+    @EventHandler
     public void onExist(ItemSpawnEvent event) {
         if (!Settings.STACK_ITEMS.getBoolean()) return;
 
diff --git a/src/main/java/com/songoda/ultimatestacker/lootables/LootablesManager.java b/src/main/java/com/songoda/ultimatestacker/lootables/LootablesManager.java
index e8963ba..c099c80 100644
--- a/src/main/java/com/songoda/ultimatestacker/lootables/LootablesManager.java
+++ b/src/main/java/com/songoda/ultimatestacker/lootables/LootablesManager.java
@@ -11,8 +11,6 @@ import com.songoda.core.lootables.loot.LootManager;
 import com.songoda.core.lootables.loot.Lootable;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.settings.Settings;
-import com.songoda.ultimatestacker.stackable.entity.custom.CustomEntity;
-import com.songoda.ultimatestacker.stackable.entity.custom.CustomEntityManager;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Ageable;
 import org.bukkit.entity.Creeper;
diff --git a/src/main/java/com/songoda/ultimatestacker/stackable/block/BlockStack.java b/src/main/java/com/songoda/ultimatestacker/stackable/block/BlockStack.java
index cc59b69..3e7d383 100644
--- a/src/main/java/com/songoda/ultimatestacker/stackable/block/BlockStack.java
+++ b/src/main/java/com/songoda/ultimatestacker/stackable/block/BlockStack.java
@@ -5,7 +5,6 @@ import com.songoda.core.utils.TextUtils;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.settings.Settings;
 import com.songoda.ultimatestacker.stackable.Hologramable;
-import com.songoda.ultimatestacker.utils.Methods;
 import com.songoda.ultimatestacker.utils.Stackable;
 import org.bukkit.Location;
 import org.bukkit.World;
diff --git a/src/main/java/com/songoda/ultimatestacker/stackable/entity/EntityStack.java b/src/main/java/com/songoda/ultimatestacker/stackable/entity/EntityStack.java
index 4b6b27f..b93b53f 100644
--- a/src/main/java/com/songoda/ultimatestacker/stackable/entity/EntityStack.java
+++ b/src/main/java/com/songoda/ultimatestacker/stackable/entity/EntityStack.java
@@ -3,18 +3,12 @@ package com.songoda.ultimatestacker.stackable.entity;
 import com.songoda.core.compatibility.ServerVersion;
 import com.songoda.core.lootables.loot.Drop;
 import com.songoda.core.lootables.loot.DropUtils;
-import com.songoda.core.nms.NmsManager;
-import com.songoda.core.nms.nbt.NBTEntity;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.events.EntityStackKillEvent;
 import com.songoda.ultimatestacker.settings.Settings;
-import com.songoda.ultimatestacker.stackable.entity.custom.CustomEntity;
 import com.songoda.ultimatestacker.utils.Async;
-import com.songoda.ultimatestacker.utils.Methods;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
-import org.bukkit.entity.Entity;
-import org.bukkit.entity.EntityType;
 import org.bukkit.entity.ExperienceOrb;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.entity.EntityDamageEvent;
@@ -22,11 +16,8 @@ import org.bukkit.event.entity.EntityDeathEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.util.Vector;
 
-import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
-import java.util.concurrent.ThreadLocalRandom;
 
 public class EntityStack extends StackedEntity {
 
diff --git a/src/main/java/com/songoda/ultimatestacker/stackable/entity/StackedEntity.java b/src/main/java/com/songoda/ultimatestacker/stackable/entity/StackedEntity.java
index 0558b97..ad424d9 100644
--- a/src/main/java/com/songoda/ultimatestacker/stackable/entity/StackedEntity.java
+++ b/src/main/java/com/songoda/ultimatestacker/stackable/entity/StackedEntity.java
@@ -3,7 +3,6 @@ package com.songoda.ultimatestacker.stackable.entity;
 import com.songoda.ultimatestacker.UltimateStacker;
 import com.songoda.ultimatestacker.settings.Settings;
 import com.songoda.ultimatestacker.utils.Methods;
-import org.bukkit.Bukkit;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.metadata.FixedMetadataValue;
diff --git a/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntity.java b/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntity.java
index 3b1233d..714eb86 100644
--- a/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntity.java
+++ b/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntity.java
@@ -1,6 +1,5 @@
 package com.songoda.ultimatestacker.stackable.entity.custom.entities;
 
-import com.songoda.ultimatestacker.stackable.entity.custom.CustomEntity;
 import io.lumine.mythic.api.mobs.MobManager;
 import io.lumine.mythic.bukkit.BukkitAdapter;
 import io.lumine.mythic.bukkit.MythicBukkit;
@@ -8,7 +7,6 @@ import io.lumine.mythic.core.mobs.ActiveMob;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.Entity;
-import org.bukkit.entity.EntityType;
 import org.bukkit.entity.LivingEntity;
 
 public class MythicMobsCustomEntity extends MythicMobsProvider {
diff --git a/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntityLegacy.java b/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntityLegacy.java
index fdd0c0f..252bec6 100644
--- a/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntityLegacy.java
+++ b/src/main/java/com/songoda/ultimatestacker/stackable/entity/custom/entities/MythicMobsCustomEntityLegacy.java
@@ -1,16 +1,12 @@
 package com.songoda.ultimatestacker.stackable.entity.custom.entities;
 
-import com.songoda.ultimatestacker.stackable.entity.custom.CustomEntity;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
-import org.bukkit.plugin.Plugin;
 
 import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Objects;
 import java.util.UUID;
diff --git a/src/main/java/com/songoda/ultimatestacker/utils/CachedChunk.java b/src/main/java/com/songoda/ultimatestacker/utils/CachedChunk.java
index 732bffb..74233f1 100644
--- a/src/main/java/com/songoda/ultimatestacker/utils/CachedChunk.java
+++ b/src/main/java/com/songoda/ultimatestacker/utils/CachedChunk.java
@@ -1,7 +1,6 @@
 package com.songoda.ultimatestacker.utils;
 
 import com.songoda.core.world.SWorld;
-import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.World;