3 files changed, 10 insertions, 13 deletions
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/GroupsDataHolder.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/GroupsDataHolder.java
index ed6a985ed..eaaaace74 100644
--- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/GroupsDataHolder.java
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/GroupsDataHolder.java
@@ -1,7 +1,7 @@
 package org.anjocaido.groupmanager.dataholder;
 
 import java.io.File;
-import java.util.Hashtable;
+import java.util.HashMap;
 import java.util.Map;
 
 import org.anjocaido.groupmanager.data.Group;
@@ -23,7 +23,7 @@ public class GroupsDataHolder {
 	/**
 	 * The actual groups holder
 	 */
-	private Hashtable<String, Group> groups = new Hashtable<String, Group>();
+	private Map<String, Group> groups = new HashMap<String, Group>();
 
 	/**
 	 * Constructor
@@ -69,7 +69,7 @@ public class GroupsDataHolder {
 	 */
 	public void setGroups(Map<String, Group> groups) {
 
-		this.groups = (Hashtable<String, Group>) groups;
+		this.groups = groups;
 	}
 
 	/**
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/UsersDataHolder.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/UsersDataHolder.java
index 3ddc2177d..665fe227d 100644
--- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/UsersDataHolder.java
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/UsersDataHolder.java
@@ -1,7 +1,7 @@
 package org.anjocaido.groupmanager.dataholder;
 
 import java.io.File;
-import java.util.Hashtable;
+import java.util.HashMap;
 import java.util.Map;
 
 import org.anjocaido.groupmanager.data.User;
@@ -22,7 +22,7 @@ public class UsersDataHolder {
 	/**
 	 * The actual groups holder
 	 */
-	private Hashtable<String, User> users = new Hashtable<String, User>();
+	private Map<String, User> users = new HashMap<String, User>();
 
 	/**
 	 * Constructor
@@ -53,7 +53,7 @@ public class UsersDataHolder {
 	 */
 	public void setUsers(Map<String, User> users) {
 
-		this.users = (Hashtable<String, User>) users;
+		this.users = users;
 	}
 
 	/**
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java
index 123070759..f84262eeb 100644
--- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/dataholder/worlds/WorldsHolder.java
@@ -11,7 +11,6 @@ import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Hashtable;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
@@ -34,7 +33,7 @@ public class WorldsHolder {
 	/**
 	 * Map with instances of loaded worlds.
 	 */
-	private Hashtable<String, OverloadedWorldHolder> worldsData = new Hashtable<String, OverloadedWorldHolder>();
+	private Map<String, OverloadedWorldHolder> worldsData = new HashMap<String, OverloadedWorldHolder>();
 
 	/**
 	 * Map of mirrors: <nonExistingWorldName, existingAndLoadedWorldName>
@@ -62,7 +61,7 @@ public class WorldsHolder {
 	
 	public void resetWorldsHolder() {
 		
-		worldsData = new Hashtable<String, OverloadedWorldHolder>();
+		worldsData = new HashMap<String, OverloadedWorldHolder>();
 		mirrorsGroup = new HashMap<String, String>();
 		mirrorsUser = new HashMap<String, String>();
 		
@@ -403,10 +402,8 @@ public class WorldsHolder {
 
 		if (worldsData.containsKey(worldNameLowered)) {
 			OverloadedWorldHolder data = worldsData.get(worldNameLowered);
-			synchronized (data) {
-				data.updateDataSource();
-				return data;
-			}
+			data.updateDataSource();
+			return data;
 		}
 		return null;