diff --git a/src/de/jaschastarke/minecraft/limitedcreative/store/InvYamlStorage.java b/src/de/jaschastarke/minecraft/limitedcreative/store/InvYamlStorage.java
index 44fee87..f211d22 100644
--- a/src/de/jaschastarke/minecraft/limitedcreative/store/InvYamlStorage.java
+++ b/src/de/jaschastarke/minecraft/limitedcreative/store/InvYamlStorage.java
@@ -17,11 +17,7 @@
  */
 package de.jaschastarke.minecraft.limitedcreative.store;
 
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
 import java.io.IOException;
 
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -40,31 +36,6 @@ public class InvYamlStorage extends InvConfStorage {
     
     @Override
     public void load(Inventory pinv, Target target) {
-// BEGIN: VERY dirty Workaround for 1.1-R4-Bug (will be removed when r5 released)
-        try {
-            BufferedReader in = new BufferedReader(new FileReader(getFile(pinv, target)));
-            String line;
-            StringBuilder file = new StringBuilder();
-            Boolean changed = false;
-            while ((line = in.readLine()) != null) {
-                if (!line.matches("\\s*==:\\s+org\\.bukkit\\.inventory\\.ItemStack\\s*")) {
-                    file.append(line);
-                    file.append("\n");
-                } else {
-                    changed = true;
-                }
-            }
-            in.close();
-            
-            if (changed) {
-                BufferedWriter out = new BufferedWriter(new FileWriter(getFile(pinv, target)));
-                out.write(file.toString());
-                out.close();
-            }
-        } catch (IOException e1) {
-            e1.printStackTrace();
-        }
-// END: workaround
         load(pinv, YamlConfiguration.loadConfiguration(getFile(pinv, target)));
     }
     
diff --git a/src/de/jaschastarke/minecraft/worldguard/events/PlayerAreaEvent.java b/src/de/jaschastarke/minecraft/worldguard/events/PlayerAreaEvent.java
index 6ccfb3b..6ca088e 100644
--- a/src/de/jaschastarke/minecraft/worldguard/events/PlayerAreaEvent.java
+++ b/src/de/jaschastarke/minecraft/worldguard/events/PlayerAreaEvent.java
@@ -22,7 +22,6 @@ import org.bukkit.event.Event;
 
 import de.jaschastarke.minecraft.worldguard.ApplicableRegions;
 
-@SuppressWarnings("serial")
 public abstract class PlayerAreaEvent extends Event {
     abstract public String getRegionHash();
     abstract public ApplicableRegions getRegionSet();
diff --git a/src/de/jaschastarke/minecraft/worldguard/events/PlayerChangedAreaEvent.java b/src/de/jaschastarke/minecraft/worldguard/events/PlayerChangedAreaEvent.java
index f9a20f8..c0c5d0d 100644
--- a/src/de/jaschastarke/minecraft/worldguard/events/PlayerChangedAreaEvent.java
+++ b/src/de/jaschastarke/minecraft/worldguard/events/PlayerChangedAreaEvent.java
@@ -24,7 +24,6 @@ import org.bukkit.event.player.PlayerTeleportEvent;
 import de.jaschastarke.minecraft.worldguard.ApplicableRegions;
 import de.jaschastarke.minecraft.worldguard.Interface;
 
-@SuppressWarnings("serial")
 public class PlayerChangedAreaEvent extends PlayerNewLocationAreaEvent implements Cancellable {
     private PlayerMoveEvent event;
     private String _previous_hash;
diff --git a/src/de/jaschastarke/minecraft/worldguard/events/PlayerNewLocationAreaEvent.java b/src/de/jaschastarke/minecraft/worldguard/events/PlayerNewLocationAreaEvent.java
index 26adfb0..818fd14 100644
--- a/src/de/jaschastarke/minecraft/worldguard/events/PlayerNewLocationAreaEvent.java
+++ b/src/de/jaschastarke/minecraft/worldguard/events/PlayerNewLocationAreaEvent.java
@@ -24,7 +24,6 @@ import org.bukkit.event.HandlerList;
 import de.jaschastarke.minecraft.worldguard.ApplicableRegions;
 import de.jaschastarke.minecraft.worldguard.Interface;
 
-@SuppressWarnings("serial")
 public class PlayerNewLocationAreaEvent extends PlayerAreaEvent {
     private Location location;
     private Player player;
diff --git a/src/de/jaschastarke/minecraft/worldguard/events/PlayerSetAreaEvent.java b/src/de/jaschastarke/minecraft/worldguard/events/PlayerSetAreaEvent.java
index 078d476..c9a300b 100644
--- a/src/de/jaschastarke/minecraft/worldguard/events/PlayerSetAreaEvent.java
+++ b/src/de/jaschastarke/minecraft/worldguard/events/PlayerSetAreaEvent.java
@@ -24,7 +24,6 @@ import org.bukkit.event.HandlerList;
 import de.jaschastarke.minecraft.worldguard.ApplicableRegions;
 import de.jaschastarke.minecraft.worldguard.Interface;
 
-@SuppressWarnings("serial")
 public class PlayerSetAreaEvent extends PlayerAreaEvent {
     private Player player;
     private String hash;
diff --git a/src/de/jaschastarke/minecraft/worldguard/events/PlayerUpdateAreaEvent.java b/src/de/jaschastarke/minecraft/worldguard/events/PlayerUpdateAreaEvent.java
index 951bedd..8df2656 100644
--- a/src/de/jaschastarke/minecraft/worldguard/events/PlayerUpdateAreaEvent.java
+++ b/src/de/jaschastarke/minecraft/worldguard/events/PlayerUpdateAreaEvent.java
@@ -24,7 +24,6 @@ import org.bukkit.event.HandlerList;
 import de.jaschastarke.minecraft.worldguard.ApplicableRegions;
 import de.jaschastarke.minecraft.worldguard.Interface;
 
-@SuppressWarnings("serial")
 public class PlayerUpdateAreaEvent extends PlayerAreaEvent {
     private String player;
     private String hash;