diff --git a/src/main/java/me/sat7/dynamicshop/DynaShopAPI.java b/src/main/java/me/sat7/dynamicshop/DynaShopAPI.java
index def7bc9..30fed58 100644
--- a/src/main/java/me/sat7/dynamicshop/DynaShopAPI.java
+++ b/src/main/java/me/sat7/dynamicshop/DynaShopAPI.java
@@ -257,7 +257,6 @@ public static ArrayList<ItemStack> getShopItems(@NonNull String shopName)
                     continue; // 장식용임
                 }
 
-                Material m;
                 String itemName = data.get().getString(s + ".mat"); // 메테리얼
                 try
                 {
diff --git a/src/main/java/me/sat7/dynamicshop/commands/shop/Command.java b/src/main/java/me/sat7/dynamicshop/commands/shop/Command.java
index 82e7851..7396ad3 100644
--- a/src/main/java/me/sat7/dynamicshop/commands/shop/Command.java
+++ b/src/main/java/me/sat7/dynamicshop/commands/shop/Command.java
@@ -113,7 +113,7 @@ private void subCmd(CommandSender sender, String[] args, CustomConfig shopData,
     {
         if(args[4].equalsIgnoreCase("delete") && args.length == 6)
         {
-            int idx = 0;
+            int idx;
             try
             {
                 idx = Integer.parseInt(args[5]);
@@ -129,7 +129,7 @@ private void subCmd(CommandSender sender, String[] args, CustomConfig shopData,
         }
         else if(args[4].equalsIgnoreCase("add") && args.length >= 7)
         {
-            int idx = 0;
+            int idx;
             try
             {
                 idx = Integer.parseInt(args[5]);
diff --git a/src/main/java/me/sat7/dynamicshop/events/OnChat.java b/src/main/java/me/sat7/dynamicshop/events/OnChat.java
index b850e1d..fb18a8c 100644
--- a/src/main/java/me/sat7/dynamicshop/events/OnChat.java
+++ b/src/main/java/me/sat7/dynamicshop/events/OnChat.java
@@ -142,7 +142,7 @@ public void onPlayerChat(AsyncPlayerChatEvent e)
             String[] input = e.getMessage().split("/");
             if(input.length == 2)
             {
-                int idx = 0;
+                int idx;
                 try
                 {
                     idx = Integer.parseInt(input[0]);
diff --git a/src/main/java/me/sat7/dynamicshop/guis/ItemPalette.java b/src/main/java/me/sat7/dynamicshop/guis/ItemPalette.java
index 9d058bd..be2f42b 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/ItemPalette.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/ItemPalette.java
@@ -56,7 +56,7 @@ public Inventory getGui(Player player, int uiSubType, String shopName, int targe
         this.shopSlotIndex = targetSlot;
         this.search = search;
 
-        String title = "";
+        String title;
         if (uiSubType == 0)
         {
             title = t(player, "PALETTE_TITLE") + "§7 | §8" + shopName;
@@ -231,9 +231,8 @@ private void SortAllItems()
         }
 
         Material[] potionMat = {Material.POTION, Material.LINGERING_POTION, Material.SPLASH_POTION};
-        for (int i = 0; i < potionMat.length; i++)
+        for (Material mat : potionMat)
         {
-            Material mat = potionMat[i];
             for (PotionType pt : PotionType.values())
             {
                 if (pt.isExtendable() && pt.isUpgradeable())
diff --git a/src/main/java/me/sat7/dynamicshop/guis/PageEditor.java b/src/main/java/me/sat7/dynamicshop/guis/PageEditor.java
index 766eee5..6f672be 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/PageEditor.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/PageEditor.java
@@ -5,7 +5,6 @@
 import me.sat7.dynamicshop.constants.Constants;
 import me.sat7.dynamicshop.events.OnChat;
 import me.sat7.dynamicshop.files.CustomConfig;
-import me.sat7.dynamicshop.transactions.Calc;
 import me.sat7.dynamicshop.utilities.ShopUtil;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -20,7 +19,6 @@
 import java.util.Collections;
 
 import static me.sat7.dynamicshop.constants.Constants.P_ADMIN_SHOP_EDIT;
-import static me.sat7.dynamicshop.utilities.LangUtil.n;
 import static me.sat7.dynamicshop.utilities.LangUtil.t;
 import static me.sat7.dynamicshop.utilities.MathUtil.Clamp;
 import static me.sat7.dynamicshop.utilities.ShopUtil.GetShopMaxPage;
diff --git a/src/main/java/me/sat7/dynamicshop/guis/StartPage.java b/src/main/java/me/sat7/dynamicshop/guis/StartPage.java
index b1f2bf8..6c58284 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/StartPage.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/StartPage.java
@@ -96,7 +96,7 @@ public Inventory getGui(Player player)
                 }
 
                 ItemStack btn = new ItemStack(Material.getMaterial(cs.getConfigurationSection(s).getString("icon")));
-                ItemMeta meta = null;
+                ItemMeta meta;
 
                 if (cs.contains(s + ".itemStack"))
                 {
diff --git a/src/main/java/me/sat7/dynamicshop/transactions/Buy.java b/src/main/java/me/sat7/dynamicshop/transactions/Buy.java
index 9eeac1b..7f691f6 100644
--- a/src/main/java/me/sat7/dynamicshop/transactions/Buy.java
+++ b/src/main/java/me/sat7/dynamicshop/transactions/Buy.java
@@ -12,7 +12,6 @@
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.meta.ItemMeta;
 
 import me.sat7.dynamicshop.DynaShopAPI;
 import me.sat7.dynamicshop.DynamicShop;