diff --git a/src/main/java/com/github/steveice10/mc/protocol/data/game/chat/MessageSignature.java b/src/main/java/com/github/steveice10/mc/protocol/data/game/chat/MessageSignature.java
index 7e7d364c..bb2cfcbd 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/data/game/chat/MessageSignature.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/data/game/chat/MessageSignature.java
@@ -1,5 +1,7 @@
 package com.github.steveice10.mc.protocol.data.game.chat;
 
+import com.github.steveice10.mc.protocol.codec.MinecraftCodecHelper;
+import io.netty.buffer.ByteBuf;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import org.jetbrains.annotations.Nullable;
@@ -9,4 +11,16 @@ import org.jetbrains.annotations.Nullable;
 public class MessageSignature {
     private final int id;
     private final byte @Nullable[] messageSignature;
+
+    public static MessageSignature read(ByteBuf in, MinecraftCodecHelper helper) {
+        int id = helper.readVarInt(in) - 1;
+        byte[] messageSignature;
+        if (id == -1) {
+            messageSignature = null;
+        } else {
+            messageSignature = new byte[256];
+            in.readBytes(messageSignature);
+        }
+        return new MessageSignature(id, messageSignature);
+    }
 }
diff --git a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundDeleteChatPacket.java b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundDeleteChatPacket.java
index c6c9da79..65ec997c 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundDeleteChatPacket.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundDeleteChatPacket.java
@@ -16,13 +16,12 @@ import java.io.IOException;
 public class ClientboundDeleteChatPacket implements MinecraftPacket {
     private final MessageSignature messageSignature;
 
-    public ClientboundDeleteChatPacket(ByteBuf in, MinecraftCodecHelper helper) throws IOException {
-        int id = helper.readVarInt(in) - 1;
-        this.messageSignature = new MessageSignature(id, id == -1 ? in.readBytes(new byte[256]).array() : null);
+    public ClientboundDeleteChatPacket(ByteBuf in, MinecraftCodecHelper helper) {
+        this.messageSignature = MessageSignature.read(in, helper);
     }
 
     @Override
-    public void serialize(ByteBuf out, MinecraftCodecHelper helper) throws IOException {
+    public void serialize(ByteBuf out, MinecraftCodecHelper helper) {
         helper.writeVarInt(out, this.messageSignature.getId() + 1);
         if (this.messageSignature.getMessageSignature() != null) {
             out.writeBytes(messageSignature.getMessageSignature());
diff --git a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundPlayerChatPacket.java b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundPlayerChatPacket.java
index 714a186e..e844e73c 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundPlayerChatPacket.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/clientbound/ClientboundPlayerChatPacket.java
@@ -41,7 +41,8 @@ public class ClientboundPlayerChatPacket implements MinecraftPacket {
         this.sender = helper.readUUID(in);
         this.index = helper.readVarInt(in);
         if (in.readBoolean()) {
-            this.messageSignature = in.readBytes(new byte[256]).array();
+            this.messageSignature = new byte[256];
+            in.readBytes(this.messageSignature);
         } else {
             this.messageSignature = null;
         }
@@ -53,9 +54,7 @@ public class ClientboundPlayerChatPacket implements MinecraftPacket {
         this.lastSeenMessages = new ArrayList<>();
         int seenMessageCount = Math.min(helper.readVarInt(in), 20);
         for (int i = 0; i < seenMessageCount; i++) {
-            int id = helper.readVarInt(in) - 1;
-            byte[] messageSignature = id == -1 ? in.readBytes(new byte[256]).array() : null;
-            this.lastSeenMessages.add(new MessageSignature(id, messageSignature));
+            this.lastSeenMessages.add(MessageSignature.read(in, helper));
         }
 
         this.unsignedContent = helper.readNullable(in, helper::readComponent);
@@ -66,7 +65,7 @@ public class ClientboundPlayerChatPacket implements MinecraftPacket {
     }
 
     @Override
-    public void serialize(ByteBuf out, MinecraftCodecHelper helper) throws IOException {
+    public void serialize(ByteBuf out, MinecraftCodecHelper helper) {
         helper.writeUUID(out, this.sender);
         helper.writeVarInt(out, this.index);
         out.writeBoolean(this.messageSignature != null);
diff --git a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/serverbound/ServerboundChatCommandPacket.java b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/serverbound/ServerboundChatCommandPacket.java
index 637d971d..3ba91f51 100644
--- a/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/serverbound/ServerboundChatCommandPacket.java
+++ b/src/main/java/com/github/steveice10/mc/protocol/packet/ingame/serverbound/ServerboundChatCommandPacket.java
@@ -24,14 +24,16 @@ public class ServerboundChatCommandPacket implements MinecraftPacket {
     private final int offset;
     private final BitSet acknowledgedMessages;
 
-    public ServerboundChatCommandPacket(ByteBuf in, MinecraftCodecHelper helper) throws IOException {
+    public ServerboundChatCommandPacket(ByteBuf in, MinecraftCodecHelper helper) {
         this.command = helper.readString(in);
         this.timeStamp = in.readLong();
         this.salt = in.readLong();
         this.signatures = new ArrayList<>();
         int signatureCount = Math.min(helper.readVarInt(in), 8);
         for (int i = 0; i < signatureCount; i++) {
-            signatures.add(new ArgumentSignature(helper.readString(in, 16), in.readBytes(new byte[256]).array()));
+            byte[] signature = new byte[256];
+            signatures.add(new ArgumentSignature(helper.readString(in, 16), signature));
+            in.readBytes(signature);
         }
 
         this.offset = helper.readVarInt(in);
@@ -39,7 +41,7 @@ public class ServerboundChatCommandPacket implements MinecraftPacket {
     }
 
     @Override
-    public void serialize(ByteBuf out, MinecraftCodecHelper helper) throws IOException {
+    public void serialize(ByteBuf out, MinecraftCodecHelper helper) {
         helper.writeString(out, this.command);
         out.writeLong(this.timeStamp);
         out.writeLong(this.salt);