diff --git a/src/main/java/fr/xephi/authme/AuthMe.java b/src/main/java/fr/xephi/authme/AuthMe.java
index 181e0da34..4fc05f9c6 100644
--- a/src/main/java/fr/xephi/authme/AuthMe.java
+++ b/src/main/java/fr/xephi/authme/AuthMe.java
@@ -100,7 +100,6 @@ public class AuthMe extends JavaPlugin {
     // Plugin instance
     private static AuthMe plugin;
 
-    private NewAPI api;
     private Management management;
     private CommandHandler commandHandler;
     private PermissionsManager permsMan;
@@ -300,9 +299,9 @@ public class AuthMe extends JavaPlugin {
         passwordSecurity = initializer.get(PasswordSecurity.class);
         spawnLoader      = initializer.get(SpawnLoader.class);
         commandHandler   = initializer.get(CommandHandler.class);
-        api              = initializer.get(NewAPI.class);
         management       = initializer.get(Management.class);
         geoLiteApi       = initializer.get(GeoLiteAPI.class);
+        initializer.get(NewAPI.class);
         initializer.get(API.class);
     }
 
diff --git a/src/main/java/fr/xephi/authme/hooks/BungeeCordMessage.java b/src/main/java/fr/xephi/authme/hooks/BungeeCordMessage.java
index 2d05d5ce6..7d4aa7746 100644
--- a/src/main/java/fr/xephi/authme/hooks/BungeeCordMessage.java
+++ b/src/main/java/fr/xephi/authme/hooks/BungeeCordMessage.java
@@ -3,7 +3,6 @@ package fr.xephi.authme.hooks;
 import com.google.common.io.ByteArrayDataInput;
 import com.google.common.io.ByteStreams;
 
-import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.cache.SessionManager;
 import fr.xephi.authme.cache.auth.PlayerAuth;
@@ -32,9 +31,6 @@ public class BungeeCordMessage implements PluginMessageListener {
 
     @Inject
     private SessionManager sessionManager;
-
-    @Inject
-    private AuthMe plugin;
     
     @Inject
     private NewSetting settings;
diff --git a/src/main/java/fr/xephi/authme/listener/AuthMeServerListener.java b/src/main/java/fr/xephi/authme/listener/AuthMeServerListener.java
index a851b5e98..79c1c3bef 100644
--- a/src/main/java/fr/xephi/authme/listener/AuthMeServerListener.java
+++ b/src/main/java/fr/xephi/authme/listener/AuthMeServerListener.java
@@ -1,6 +1,5 @@
 package fr.xephi.authme.listener;
 
-import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.hooks.PluginHooks;
 import fr.xephi.authme.listener.protocollib.ProtocolLibService;
@@ -24,8 +23,6 @@ import javax.inject.Inject;
  */
 public class AuthMeServerListener implements Listener {
 
-    @Inject
-    private AuthMe plugin;
     @Inject
     private Messages messages;
     @Inject
diff --git a/src/main/java/fr/xephi/authme/listener/protocollib/AuthMeInventoryPacketAdapter.java b/src/main/java/fr/xephi/authme/listener/protocollib/AuthMeInventoryPacketAdapter.java
index 980f3ccb8..64ad7cf3d 100644
--- a/src/main/java/fr/xephi/authme/listener/protocollib/AuthMeInventoryPacketAdapter.java
+++ b/src/main/java/fr/xephi/authme/listener/protocollib/AuthMeInventoryPacketAdapter.java
@@ -25,12 +25,9 @@ import com.comphenix.protocol.events.PacketEvent;
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.settings.Settings;
-import org.apache.commons.lang.reflect.MethodUtils;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.PlayerInventory;
-
 import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 import java.util.logging.Level;
@@ -44,10 +41,6 @@ public class AuthMeInventoryPacketAdapter extends PacketAdapter {
     private static final int ARMOR_SIZE = 4;
     private static final int MAIN_SIZE = 27;
     private static final int HOTBAR_SIZE = 9;
-    private static final int OFF_HAND_POSITION = 45;
-
-    private final boolean offHandSupported = MethodUtils
-            .getAccessibleMethod(PlayerInventory.class, "getItemInOffHand", new Class[]{}) != null;
 
     public AuthMeInventoryPacketAdapter(AuthMe plugin) {
         super(plugin, PacketType.Play.Server.SET_SLOT, PacketType.Play.Server.WINDOW_ITEMS);
diff --git a/src/main/java/fr/xephi/authme/permission/handlers/PermissionHandlerException.java b/src/main/java/fr/xephi/authme/permission/handlers/PermissionHandlerException.java
index 41b916332..3037c4dd1 100644
--- a/src/main/java/fr/xephi/authme/permission/handlers/PermissionHandlerException.java
+++ b/src/main/java/fr/xephi/authme/permission/handlers/PermissionHandlerException.java
@@ -3,6 +3,7 @@ package fr.xephi.authme.permission.handlers;
 /**
  * Exception during the instantiation of a {@link PermissionHandler}.
  */
+@SuppressWarnings("serial")
 public class PermissionHandlerException extends Exception {
 
     public PermissionHandlerException(String message) {