diff --git a/server/netty/src/com/riiablo/net/reliable/Packet.java b/server/netty/src/com/riiablo/net/reliable/Packet.java
index bb8e0042..4d07333d 100644
--- a/server/netty/src/com/riiablo/net/reliable/Packet.java
+++ b/server/netty/src/com/riiablo/net/reliable/Packet.java
@@ -178,6 +178,16 @@ public abstract class Packet {
 
       writeAckBitByteFlags(bb, ackBits);
     }
+
+    static void writeAck(ByteBuf bb, int channelId, int ack, int ackBits) {
+      int prefixByte = getAckBitByteFlags(ackBits, ACK);
+
+      bb.writeByte(prefixByte);
+      bb.writeByte(channelId);
+      bb.writeShortLE(ack);
+
+      writeAckBitByteFlags(bb, ackBits);
+    }
   }
 
   static class FragmentedPacket extends Packet {
@@ -270,16 +280,4 @@ public abstract class Packet {
       return headerSize;
     }
   }
-
-  static class AckPacket {
-    static void writeHeader(ByteBuf bb, int channelId, int ack, int ackBits) {
-      int prefixByte = getAckBitByteFlags(ackBits, ACK);
-
-      bb.writeByte(prefixByte);
-      bb.writeByte(channelId);
-      bb.writeShortLE(ack);
-
-      writeAckBitByteFlags(bb, ackBits);
-    }
-  }
 }