diff --git a/proxy/src/main/java/net/md_5/bungee/packet/DefinedPacket.java b/proxy/src/main/java/net/md_5/bungee/packet/DefinedPacket.java
index a3f53fca..58c68615 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/DefinedPacket.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/DefinedPacket.java
@@ -1,13 +1,9 @@
 package net.md_5.bungee.packet;
 
 import com.google.common.base.Preconditions;
-import com.google.common.io.ByteArrayDataOutput;
-import com.google.common.io.ByteStreams;
 import io.netty.buffer.ByteBuf;
-import java.io.ByteArrayInputStream;
-import java.io.DataInputStream;
-import java.io.DataOutput;
-import java.io.IOException;
+import io.netty.buffer.ReferenceCounted;
+import io.netty.buffer.Unpooled;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import lombok.Delegate;
@@ -18,67 +14,46 @@ import net.md_5.bungee.Util;
  * subclasses can read and write to the backing byte array which can be
  * retrieved via the {@link #getPacket()} method.
  */
-public abstract class DefinedPacket implements DataOutput
+public abstract class DefinedPacket implements ByteBuf
 {
 
-    private interface Overriden
+    @Delegate(types =
     {
-
-        void readUTF();
-
-        void writeUTF(String s);
-    }
-    private ByteArrayInputStream bin;
-    private DataInputStream input;
-    @Delegate(excludes = Overriden.class)
-    private ByteArrayDataOutput out;
+        ByteBuf.class, ReferenceCounted.class
+    })
+    private ByteBuf out;
     /**
      * Packet id.
      */
     public final int id;
-    /**
-     * Already constructed packet.
-     */
-    private byte[] packet;
 
     public DefinedPacket(int id, byte[] buf)
     {
-        bin = new ByteArrayInputStream( buf );
-        input = new DataInputStream( bin );
+        out = Unpooled.wrappedBuffer( buf );
         if ( readUnsignedByte() != id )
         {
             throw new IllegalArgumentException( "Wasn't expecting packet id " + Util.hex( id ) );
         }
         this.id = id;
-        packet = buf;
     }
 
     public DefinedPacket(int id)
     {
-        out = ByteStreams.newDataOutput();
+        out = Unpooled.buffer();
         this.id = id;
         writeByte( id );
     }
 
-    /**
-     * Gets the bytes that make up this packet.
-     *
-     * @return the bytes which make up this packet, either the original byte
-     * array or the newly written one.
-     */
-    public byte[] getPacket()
-    {
-        return packet == null ? packet = out.toByteArray() : packet;
-    }
-
-    @Override
-    public void writeUTF(String s)
+    public void writeString(String s)
     {
         writeShort( s.length() );
-        writeChars( s );
+        for ( char c : s.toCharArray() )
+        {
+            writeChar( c );
+        }
     }
 
-    public String readUTF()
+    public String readString()
     {
         short len = readShort();
         char[] chars = new char[ len ];
@@ -92,99 +67,17 @@ public abstract class DefinedPacket implements DataOutput
     public void writeArray(byte[] b)
     {
         writeShort( b.length );
-        write( b );
+        writeBytes( b );
     }
 
     public byte[] readArray()
     {
         short len = readShort();
         byte[] ret = new byte[ len ];
-        readFully( ret );
+        readBytes( ret );
         return ret;
     }
 
-    public final int available()
-    {
-        return bin.available();
-    }
-
-    public final void readFully(byte b[])
-    {
-        try
-        {
-            input.readFully( b );
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    public final boolean readBoolean()
-    {
-        try
-        {
-            return input.readBoolean();
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    public final byte readByte()
-    {
-        try
-        {
-            return input.readByte();
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    public final int readUnsignedByte()
-    {
-        try
-        {
-            return input.readUnsignedByte();
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    public final short readShort()
-    {
-        try
-        {
-            return input.readShort();
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    public final char readChar()
-    {
-        try
-        {
-            return input.readChar();
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    public final int readInt()
-    {
-        try
-        {
-            return input.readInt();
-        } catch ( IOException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
     @Override
     public abstract boolean equals(Object obj);
 
@@ -195,11 +88,12 @@ public abstract class DefinedPacket implements DataOutput
     public abstract String toString();
 
     public abstract void handle(PacketHandler handler) throws Exception;
+    @SuppressWarnings("unchecked")
     private static Class<? extends DefinedPacket>[] classes = new Class[ 256 ];
 
     public static DefinedPacket packet(ByteBuf buf)
     {
-        int id = buf.getUnsignedShort( 0);
+        int id = buf.getUnsignedShort( 0 );
         Class<? extends DefinedPacket> clazz = classes[id];
         DefinedPacket ret = null;
         if ( clazz != null )
@@ -214,7 +108,8 @@ public abstract class DefinedPacket implements DataOutput
             } catch ( IllegalAccessException | InstantiationException | InvocationTargetException | NoSuchMethodException ex )
             {
             }
-        } else {
+        } else
+        {
             return null;
         }
 
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/Packet1Login.java b/proxy/src/main/java/net/md_5/bungee/packet/Packet1Login.java
index 96285c8a..1c505a7f 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/Packet1Login.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/Packet1Login.java
@@ -20,7 +20,7 @@ public class Packet1Login extends DefinedPacket
     {
         super( 0x01 );
         writeInt( entityId );
-        writeUTF( levelType );
+        writeString( levelType );
         writeByte( gameMode );
         writeByte( dimension );
         writeByte( difficulty );
@@ -32,12 +32,12 @@ public class Packet1Login extends DefinedPacket
     {
         super( 0x01, buf );
         this.entityId = readInt();
-        this.levelType = readUTF();
+        this.levelType = readString();
         this.gameMode = readByte();
-        if ( available() == 4 )
+        if ( readableBytes() == 4 )
         {
             this.dimension = readByte();
-        } else if ( available() == 7 )
+        } else if ( readableBytes() == 7 )
         {
             this.dimension = readInt();
         } else
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/Packet2Handshake.java b/proxy/src/main/java/net/md_5/bungee/packet/Packet2Handshake.java
index e739880e..9d3824c5 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/Packet2Handshake.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/Packet2Handshake.java
@@ -17,8 +17,8 @@ public class Packet2Handshake extends DefinedPacket
     {
         super( 0x02 );
         writeByte( protocolVersion );
-        writeUTF( username );
-        writeUTF( host );
+        writeString( username );
+        writeString( host );
         writeInt( port );
     }
 
@@ -26,8 +26,8 @@ public class Packet2Handshake extends DefinedPacket
     {
         super( 0x02, buf );
         this.procolVersion = readByte();
-        this.username = readUTF();
-        this.host = readUTF();
+        this.username = readString();
+        this.host = readString();
         this.port = readInt();
     }
 
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/Packet3Chat.java b/proxy/src/main/java/net/md_5/bungee/packet/Packet3Chat.java
index 7b0a1525..812c963e 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/Packet3Chat.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/Packet3Chat.java
@@ -13,13 +13,13 @@ public class Packet3Chat extends DefinedPacket
     public Packet3Chat(String message)
     {
         super( 0x03 );
-        writeUTF( message );
+        writeString( message );
     }
 
     public Packet3Chat(byte[] buf)
     {
         super( 0x03, buf );
-        this.message = readUTF();
+        this.message = readString();
     }
 
     @Override
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/Packet9Respawn.java b/proxy/src/main/java/net/md_5/bungee/packet/Packet9Respawn.java
index a6e09e1b..365e485e 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/Packet9Respawn.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/Packet9Respawn.java
@@ -23,7 +23,7 @@ public class Packet9Respawn extends DefinedPacket
         writeByte( difficulty );
         writeByte( gameMode );
         writeShort( worldHeight );
-        writeUTF( levelType );
+        writeString( levelType );
     }
 
     public Packet9Respawn(byte[] buf)
@@ -33,7 +33,7 @@ public class Packet9Respawn extends DefinedPacket
         this.difficulty = readByte();
         this.gameMode = readByte();
         this.worldHeight = readShort();
-        this.levelType = readUTF();
+        this.levelType = readString();
     }
 
     @Override
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/PacketC9PlayerListItem.java b/proxy/src/main/java/net/md_5/bungee/packet/PacketC9PlayerListItem.java
index 2ec61aa0..b9b8f541 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/PacketC9PlayerListItem.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/PacketC9PlayerListItem.java
@@ -15,7 +15,7 @@ public class PacketC9PlayerListItem extends DefinedPacket
     public PacketC9PlayerListItem(byte[] packet)
     {
         super( 0xC9, packet );
-        username = readUTF();
+        username = readString();
         online = readBoolean();
         ping = readShort();
     }
@@ -23,7 +23,7 @@ public class PacketC9PlayerListItem extends DefinedPacket
     public PacketC9PlayerListItem(String username, boolean online, int ping)
     {
         super( 0xC9 );
-        writeUTF( username );
+        writeString( username );
         writeBoolean( online );
         writeShort( ping );
     }
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/PacketFAPluginMessage.java b/proxy/src/main/java/net/md_5/bungee/packet/PacketFAPluginMessage.java
index e6f7dd97..f58e6cc7 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/PacketFAPluginMessage.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/PacketFAPluginMessage.java
@@ -14,7 +14,7 @@ public class PacketFAPluginMessage extends DefinedPacket
     public PacketFAPluginMessage(String tag, byte[] data)
     {
         super( 0xFA );
-        writeUTF( tag );
+        writeString( tag );
         writeArray( data );
         this.tag = tag;
         this.data = data;
@@ -23,7 +23,7 @@ public class PacketFAPluginMessage extends DefinedPacket
     public PacketFAPluginMessage(byte[] buf)
     {
         super( 0xFA, buf );
-        this.tag = readUTF();
+        this.tag = readString();
         this.data = readArray();
     }
 
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/PacketFDEncryptionRequest.java b/proxy/src/main/java/net/md_5/bungee/packet/PacketFDEncryptionRequest.java
index 886e1ad6..226af9a4 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/PacketFDEncryptionRequest.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/PacketFDEncryptionRequest.java
@@ -15,7 +15,7 @@ public class PacketFDEncryptionRequest extends DefinedPacket
     public PacketFDEncryptionRequest(String serverId, byte[] publicKey, byte[] verifyToken)
     {
         super( 0xFD );
-        writeUTF( serverId );
+        writeString( serverId );
         writeArray( publicKey );
         writeArray( verifyToken );
         this.serverId = serverId;
@@ -26,7 +26,7 @@ public class PacketFDEncryptionRequest extends DefinedPacket
     public PacketFDEncryptionRequest(byte[] buf)
     {
         super( 0xFD, buf );
-        serverId = readUTF();
+        serverId = readString();
         publicKey = readArray();
         verifyToken = readArray();
     }
diff --git a/proxy/src/main/java/net/md_5/bungee/packet/PacketFFKick.java b/proxy/src/main/java/net/md_5/bungee/packet/PacketFFKick.java
index d6d0f584..f2f816c9 100644
--- a/proxy/src/main/java/net/md_5/bungee/packet/PacketFFKick.java
+++ b/proxy/src/main/java/net/md_5/bungee/packet/PacketFFKick.java
@@ -13,13 +13,13 @@ public class PacketFFKick extends DefinedPacket
     public PacketFFKick(String message)
     {
         super( 0xFF );
-        writeUTF( message );
+        writeString( message );
     }
 
     public PacketFFKick(byte[] buf)
     {
         super( 0xFF, buf );
-        this.message = readUTF();
+        this.message = readString();
     }
 
     @Override