diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
index 91baa3db..71001a85 100644
--- a/.idea/codeStyleSettings.xml
+++ b/.idea/codeStyleSettings.xml
@@ -288,4 +288,4 @@
     </option>
     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
   </component>
-</project>
\ No newline at end of file
+</project>
diff --git a/src/main/java/fr/xephi/authme/AuthMe.java b/src/main/java/fr/xephi/authme/AuthMe.java
index 47fd24aa..a5220da6 100644
--- a/src/main/java/fr/xephi/authme/AuthMe.java
+++ b/src/main/java/fr/xephi/authme/AuthMe.java
@@ -29,6 +29,7 @@ import fr.xephi.authme.output.ConsoleFilter;
 import fr.xephi.authme.output.Log4JFilter;
 import fr.xephi.authme.output.MessageKey;
 import fr.xephi.authme.output.Messages;
+import fr.xephi.authme.permission.AuthGroupHandler;
 import fr.xephi.authme.permission.PermissionsManager;
 import fr.xephi.authme.permission.PermissionsSystemType;
 import fr.xephi.authme.process.Management;
@@ -421,11 +422,12 @@ public class AuthMe extends JavaPlugin {
         // Save player data
         BukkitService bukkitService = initializer.getIfAvailable(BukkitService.class);
         LimboCache limboCache = initializer.getIfAvailable(LimboCache.class);
+        AuthGroupHandler authGroupHandler = initializer.getIfAvailable(AuthGroupHandler.class);
 
         if (bukkitService != null && limboCache != null) {
             Collection<? extends Player> players = bukkitService.getOnlinePlayers();
             for (Player player : players) {
-                savePlayer(player, limboCache);
+                savePlayer(player, limboCache, authGroupHandler);
             }
         }
 
@@ -558,7 +560,7 @@ public class AuthMe extends JavaPlugin {
     }
 
     // Save Player Data
-    private void savePlayer(Player player, LimboCache limboCache) {
+    private void savePlayer(Player player, LimboCache limboCache, AuthGroupHandler authGroupHandler) {
         if (safeIsNpc(player) || Utils.isUnrestricted(player)) {
             return;
         }
diff --git a/src/main/java/fr/xephi/authme/command/executable/authme/UnregisterAdminCommand.java b/src/main/java/fr/xephi/authme/command/executable/authme/UnregisterAdminCommand.java
index cf2ffc1d..f82c1bd7 100644
--- a/src/main/java/fr/xephi/authme/command/executable/authme/UnregisterAdminCommand.java
+++ b/src/main/java/fr/xephi/authme/command/executable/authme/UnregisterAdminCommand.java
@@ -9,21 +9,16 @@ import fr.xephi.authme.datasource.DataSource;
 import fr.xephi.authme.output.MessageKey;
 import fr.xephi.authme.permission.AuthGroupHandler;
 import fr.xephi.authme.permission.AuthGroupType;
-import fr.xephi.authme.settings.properties.RegistrationSettings;
-import fr.xephi.authme.settings.properties.RestrictionSettings;
+import fr.xephi.authme.process.Management;
 import fr.xephi.authme.task.PlayerDataTaskManager;
 import fr.xephi.authme.util.BukkitService;
-import fr.xephi.authme.util.Utils;
+import fr.xephi.authme.util.TeleportationService;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
-import org.bukkit.potion.PotionEffect;
-import org.bukkit.potion.PotionEffectType;
 
 import javax.inject.Inject;
 import java.util.List;
 
-import static fr.xephi.authme.util.BukkitService.TICKS_PER_SECOND;
-
 /**
  * Admin command to unregister a player.
  */
@@ -50,6 +45,12 @@ public class UnregisterAdminCommand implements ExecutableCommand {
     @Inject
     private AuthGroupHandler authGroupHandler;
 
+    @Inject
+    private TeleportationService teleportationService;
+
+    @Inject
+    private Management management;
+
 
     @Override
     public void executeCommand(final CommandSender sender, List<String> arguments) {
@@ -74,35 +75,11 @@ public class UnregisterAdminCommand implements ExecutableCommand {
         playerCache.removePlayer(playerNameLowerCase);
         authGroupHandler.setGroup(target, AuthGroupType.UNREGISTERED);
         if (target != null && target.isOnline()) {
-            if (commandService.getProperty(RegistrationSettings.FORCE)) {
-                applyUnregisteredEffectsAndTasks(target);
-            }
-            commandService.send(target, MessageKey.UNREGISTERED_SUCCESS);
+            management.performUnregister(target, "dontneed", true);
         }
 
         // Show a status message
         commandService.send(sender, MessageKey.UNREGISTERED_SUCCESS);
         ConsoleLogger.info(sender.getName() + " unregistered " + playerName);
     }
-
-    /**
-     * When registration is forced, applies the configured "unregistered effects" to the player as he
-     * would encounter when joining the server before logging on - reminder task to log in,
-     * timeout kick, blindness.
-     *
-     * @param target the player that was unregistered
-     */
-    private void applyUnregisteredEffectsAndTasks(Player target) {
-        // TODO #765: Remove use of Utils method and behave according to settings
-        Utils.teleportToSpawn(target);
-
-        limboCache.addPlayerData(target);
-        playerDataTaskManager.registerTimeoutTask(target);
-        playerDataTaskManager.registerMessageTask(target.getName(), false);
-
-        final int timeout = commandService.getProperty(RestrictionSettings.TIMEOUT) * TICKS_PER_SECOND;
-        if (commandService.getProperty(RegistrationSettings.APPLY_BLIND_EFFECT)) {
-            target.addPotionEffect(new PotionEffect(PotionEffectType.BLINDNESS, timeout, 2));
-        }
-    }
 }
diff --git a/src/main/java/fr/xephi/authme/permission/AuthGroupHandler.java b/src/main/java/fr/xephi/authme/permission/AuthGroupHandler.java
index 836249b0..17d8fa89 100644
--- a/src/main/java/fr/xephi/authme/permission/AuthGroupHandler.java
+++ b/src/main/java/fr/xephi/authme/permission/AuthGroupHandler.java
@@ -85,4 +85,28 @@ public class AuthGroupHandler {
         }
     }
 
+    /**
+     * TODO: This method requires better explanation.
+     * <p>
+     * Set the normal group of a player.
+     *
+     * @param player The player.
+     * @param group  The normal group.
+     *
+     * @return True on success, false on failure.
+     */
+    public boolean addNormal(Player player, String group) {
+        // Check whether the permissions check is enabled
+        if (!settings.getProperty(PluginSettings.ENABLE_PERMISSION_CHECK)) {
+            return false;
+        }
+
+        // Remove old groups
+        permissionsManager.removeGroups(player, Arrays.asList(Settings.unRegisteredGroup,
+            Settings.getRegisteredGroup, Settings.getUnloggedinGroup));
+
+        // Add the normal group, return the result
+        return permissionsManager.addGroup(player, group);
+    }
+
 }
diff --git a/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java b/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java
index 209ec480..5d729c26 100644
--- a/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java
+++ b/src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java
@@ -52,6 +52,7 @@ public class AsynchronousLogout implements AsynchronousProcess {
 
         limboCache.addPlayerData(player);
         playerCache.removePlayer(name);
+        // TODO LJ: No more teleport here?
         database.setUnlogged(name);
         syncProcessManager.processSyncPlayerLogout(player);
     }
diff --git a/src/main/java/fr/xephi/authme/process/quit/AsynchronousQuit.java b/src/main/java/fr/xephi/authme/process/quit/AsynchronousQuit.java
index 02b950d8..a674fe3e 100644
--- a/src/main/java/fr/xephi/authme/process/quit/AsynchronousQuit.java
+++ b/src/main/java/fr/xephi/authme/process/quit/AsynchronousQuit.java
@@ -12,6 +12,7 @@ import fr.xephi.authme.process.SyncProcessManager;
 import fr.xephi.authme.settings.SpawnLoader;
 import fr.xephi.authme.settings.properties.PluginSettings;
 import fr.xephi.authme.settings.properties.RestrictionSettings;
+import fr.xephi.authme.util.BukkitService;
 import fr.xephi.authme.util.Utils;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
@@ -44,6 +45,9 @@ public class AsynchronousQuit implements AsynchronousProcess {
     @Inject
     private SpawnLoader spawnLoader;
 
+    @Inject
+    private BukkitService bukkitService;
+
     AsynchronousQuit() {
     }
 
@@ -76,7 +80,7 @@ public class AsynchronousQuit implements AsynchronousProcess {
         playerCache.removePlayer(name);
 
         if (plugin.isEnabled() && service.getProperty(PluginSettings.SESSIONS_ENABLED)) {
-            BukkitTask task = plugin.getServer().getScheduler().runTaskLaterAsynchronously(plugin, new Runnable() {
+            BukkitTask task = bukkitService.runTaskLaterAsynchronously(new Runnable() {
 
                 @Override
                 public void run() {
diff --git a/src/main/java/fr/xephi/authme/process/quit/ProcessSyncronousPlayerQuit.java b/src/main/java/fr/xephi/authme/process/quit/ProcessSyncronousPlayerQuit.java
index d36b737d..cf951a7f 100644
--- a/src/main/java/fr/xephi/authme/process/quit/ProcessSyncronousPlayerQuit.java
+++ b/src/main/java/fr/xephi/authme/process/quit/ProcessSyncronousPlayerQuit.java
@@ -2,6 +2,7 @@ package fr.xephi.authme.process.quit;
 
 import fr.xephi.authme.cache.backup.PlayerDataStorage;
 import fr.xephi.authme.cache.limbo.LimboCache;
+import fr.xephi.authme.permission.AuthGroupHandler;
 import fr.xephi.authme.process.ProcessService;
 import fr.xephi.authme.process.SynchronousProcess;
 import org.bukkit.entity.Player;
@@ -20,6 +21,9 @@ public class ProcessSyncronousPlayerQuit implements SynchronousProcess {
     @Inject
     private LimboCache limboCache;
 
+    @Inject
+    private AuthGroupHandler authGroupHandler;
+
     public void processSyncQuit(Player player) {
         if (limboCache.hasPlayerData(player.getName().toLowerCase())) { // it mean player is not authenticated
             limboCache.removeFromCache(player);
diff --git a/src/main/java/fr/xephi/authme/process/register/ProcessSyncPasswordRegister.java b/src/main/java/fr/xephi/authme/process/register/ProcessSyncPasswordRegister.java
index 9da6f4bd..c2409b23 100644
--- a/src/main/java/fr/xephi/authme/process/register/ProcessSyncPasswordRegister.java
+++ b/src/main/java/fr/xephi/authme/process/register/ProcessSyncPasswordRegister.java
@@ -78,8 +78,6 @@ public class ProcessSyncPasswordRegister implements SynchronousProcess {
      */
     private void requestLogin(Player player) {
         final String name = player.getName().toLowerCase();
-        Utils.teleportToSpawn(player);
-
         limboCache.updatePlayerData(player);
         playerDataTaskManager.registerTimeoutTask(player);
         playerDataTaskManager.registerMessageTask(name, true);
@@ -92,7 +90,6 @@ public class ProcessSyncPasswordRegister implements SynchronousProcess {
     public void processPasswordRegister(Player player) {
         final String name = player.getName().toLowerCase();
         if (limboCache.hasPlayerData(name)) {
-            teleportationService.teleportOnJoin(player);
             if (service.getProperty(PROTECT_INVENTORY_BEFORE_LOGIN)) {
                 RestoreInventoryEvent event = new RestoreInventoryEvent(player);
                 bukkitService.callEvent(event);
diff --git a/src/main/java/fr/xephi/authme/process/unregister/AsynchronousUnregister.java b/src/main/java/fr/xephi/authme/process/unregister/AsynchronousUnregister.java
index 8341b3e7..7224fd75 100644
--- a/src/main/java/fr/xephi/authme/process/unregister/AsynchronousUnregister.java
+++ b/src/main/java/fr/xephi/authme/process/unregister/AsynchronousUnregister.java
@@ -14,7 +14,7 @@ import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.settings.properties.RegistrationSettings;
 import fr.xephi.authme.settings.properties.RestrictionSettings;
 import fr.xephi.authme.task.PlayerDataTaskManager;
-import fr.xephi.authme.util.Utils;
+import fr.xephi.authme.util.TeleportationService;
 import org.bukkit.entity.Player;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
@@ -43,6 +43,9 @@ public class AsynchronousUnregister implements AsynchronousProcess {
     @Inject
     private PlayerDataTaskManager playerDataTaskManager;
 
+    @Inject
+    private TeleportationService teleportationService;
+
     AsynchronousUnregister() { }
 
 
@@ -56,7 +59,7 @@ public class AsynchronousUnregister implements AsynchronousProcess {
             }
 
             if (service.getProperty(RegistrationSettings.FORCE)) {
-                Utils.teleportToSpawn(player);
+                teleportationService.teleportOnJoin(player);
                 player.saveData();
                 playerCache.removePlayer(player.getName().toLowerCase());
                 if (!Settings.getRegisteredGroup.isEmpty()) {
@@ -68,7 +71,7 @@ public class AsynchronousUnregister implements AsynchronousProcess {
                 playerDataTaskManager.registerMessageTask(name, false);
 
                 service.send(player, MessageKey.UNREGISTERED_SUCCESS);
-                ConsoleLogger.info(player.getDisplayName() + " unregistered himself");
+                ConsoleLogger.info(player.getName() + " unregistered himself");
                 return; // TODO ljacqu 20160612: Why return here? No blind effect? Player not removed from PlayerCache?
             }
             if (!Settings.unRegisteredGroup.isEmpty()) {
@@ -82,7 +85,7 @@ public class AsynchronousUnregister implements AsynchronousProcess {
                 player.addPotionEffect(new PotionEffect(PotionEffectType.BLINDNESS, timeout, 2));
             }
             service.send(player, MessageKey.UNREGISTERED_SUCCESS);
-            ConsoleLogger.info(player.getDisplayName() + " unregistered himself");
+            ConsoleLogger.info(player.getName() + " unregistered himself");
         } else {
             service.send(player, MessageKey.WRONG_PASSWORD);
         }
diff --git a/src/main/java/fr/xephi/authme/security/crypts/EncryptionMethod.java b/src/main/java/fr/xephi/authme/security/crypts/EncryptionMethod.java
index b1c0b003..83cc6c8c 100644
--- a/src/main/java/fr/xephi/authme/security/crypts/EncryptionMethod.java
+++ b/src/main/java/fr/xephi/authme/security/crypts/EncryptionMethod.java
@@ -3,9 +3,7 @@ package fr.xephi.authme.security.crypts;
 /**
  * Public interface for custom password encryption methods.
  * <p>
- * Note that {@link fr.xephi.authme.security.PasswordSecurity} requires classes implementing this interface
- * to either have the default constructor or an accessible constructor with one parameter of type
- * {@link fr.xephi.authme.settings.NewSetting}.
+ * Instantiation of these methods is done via automatic dependency injection.
  */
 public interface EncryptionMethod {
 
diff --git a/src/main/java/fr/xephi/authme/util/BukkitService.java b/src/main/java/fr/xephi/authme/util/BukkitService.java
index a88ebafc..652105e7 100644
--- a/src/main/java/fr/xephi/authme/util/BukkitService.java
+++ b/src/main/java/fr/xephi/authme/util/BukkitService.java
@@ -106,6 +106,23 @@ public class BukkitService {
         return Bukkit.getScheduler().runTaskAsynchronously(authMe, task);
     }
 
+    /**
+     * <b>Asynchronous tasks should never access any API in Bukkit. Great care
+     * should be taken to assure the thread-safety of asynchronous tasks.</b>
+     * <p>
+     * Returns a task that will run asynchronously after the specified number
+     * of server ticks.
+     *
+     * @param task the task to be run
+     * @param delay the ticks to wait before running the task
+     * @return a BukkitTask that contains the id number
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public BukkitTask runTaskLaterAsynchronously(Runnable task, long delay) {
+        return Bukkit.getScheduler().runTaskLaterAsynchronously(authMe, task, delay);
+    }
+
     /**
      * Broadcast a message to all players.
      *
diff --git a/src/main/java/fr/xephi/authme/util/Utils.java b/src/main/java/fr/xephi/authme/util/Utils.java
index 5b3ba6a0..899d2d6c 100644
--- a/src/main/java/fr/xephi/authme/util/Utils.java
+++ b/src/main/java/fr/xephi/authme/util/Utils.java
@@ -1,15 +1,10 @@
 package fr.xephi.authme.util;
 
-import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.ConsoleLogger;
-import fr.xephi.authme.events.AuthMeTeleportEvent;
-import fr.xephi.authme.permission.PermissionsManager;
 import fr.xephi.authme.settings.Settings;
-import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
 
-import java.util.Arrays;
 import java.util.regex.Pattern;
 
 /**
@@ -17,41 +12,9 @@ import java.util.regex.Pattern;
  */
 public final class Utils {
 
-    private static AuthMe plugin = AuthMe.getInstance();
-
     private Utils() {
     }
 
-    /**
-     * TODO: This method requires better explanation.
-     * <p>
-     * Set the normal group of a player.
-     *
-     * @param player The player.
-     * @param group  The normal group.
-     *
-     * @return True on success, false on failure.
-     */
-    public static boolean addNormal(Player player, String group) {
-        if (!Settings.isPermissionCheckEnabled) {
-            return false;
-        }
-
-        // Get the permissions manager, and make sure it's valid
-        PermissionsManager permsMan = plugin.getPermissionsManager();
-        if (permsMan == null) {
-            ConsoleLogger.showError("Failed to access permissions manager instance, aborting.");
-            return false;
-        }
-
-        // Remove old groups
-        permsMan.removeGroups(player, Arrays.asList(Settings.unRegisteredGroup,
-            Settings.getRegisteredGroup, Settings.getUnloggedinGroup));
-
-        // Add the normal group, return the result
-        return permsMan.addGroup(player, group);
-    }
-
     @Deprecated
     public static boolean isUnrestricted(Player player) {
         // TODO ljacqu 20160602: Checking for Settings.isAllowRestrictedIp is wrong! Nothing in the config suggests
@@ -60,18 +23,6 @@ public final class Utils {
             && Settings.getUnrestrictedName.contains(player.getName().toLowerCase());
     }
 
-    @Deprecated
-    public static void teleportToSpawn(Player player) {
-        if (Settings.isTeleportToSpawnEnabled && !Settings.noTeleport) {
-            Location spawn = plugin.getSpawnLocation(player);
-            AuthMeTeleportEvent tpEvent = new AuthMeTeleportEvent(player, spawn);
-            plugin.getServer().getPluginManager().callEvent(tpEvent);
-            if (!tpEvent.isCancelled()) {
-                player.teleport(tpEvent.getTo());
-            }
-        }
-    }
-
     /**
      * Get player's UUID if can, name otherwise.
      *
diff --git a/src/test/java/fr/xephi/authme/util/UtilsTest.java b/src/test/java/fr/xephi/authme/util/UtilsTest.java
index 58af9b7c..b57300fd 100644
--- a/src/test/java/fr/xephi/authme/util/UtilsTest.java
+++ b/src/test/java/fr/xephi/authme/util/UtilsTest.java
@@ -90,4 +90,10 @@ public class UtilsTest {
         // then
         assertThat(result, equalTo(name));
     }
+
+    @Test
+    public void shouldHavePrivateConstructorOnly() {
+        // given / when / then
+        TestHelper.validateHasOnlyPrivateEmptyConstructor(Utils.class);
+    }
 }