diff --git a/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj b/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj
index 0d006896d..3d0dadad1 100644
--- a/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj
+++ b/source/Cosmos/Cosmos.Hardware/Cosmos.Hardware.csproj
@@ -111,11 +111,6 @@
       <Name>Cosmos.Kernel</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Network\TCPIPModel\NetworkLayer\ICMPv4\" />
-    <Folder Include="Network\TCPIPModel\NetworkLayer\IPv4\" />
-    <Folder Include="Network\TCPIPModel\PhysicalLayer\Ethernet2\" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/source/Cosmos/Cosmos.System/Cosmos.Sys.csproj b/source/Cosmos/Cosmos.System/Cosmos.Sys.csproj
index 644bba0f8..cc28c1eca 100644
--- a/source/Cosmos/Cosmos.System/Cosmos.Sys.csproj
+++ b/source/Cosmos/Cosmos.System/Cosmos.Sys.csproj
@@ -50,7 +50,7 @@
     <Compile Include="Deboot.cs" />
     <Compile Include="Global.cs" />
     <Compile Include="Network\EthernetPacket.cs" />
-    <Compile Include="Network\IP4Packet.cs" />
+    <Compile Include="Network\IPPacket.cs" />
     <Compile Include="Network\Packet.cs" />
     <Compile Include="Network\UDPPacket.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/source/Cosmos/Cosmos.System/Network/IP4Packet.cs b/source/Cosmos/Cosmos.System/Network/IPPacket.cs
similarity index 96%
rename from source/Cosmos/Cosmos.System/Network/IP4Packet.cs
rename to source/Cosmos/Cosmos.System/Network/IPPacket.cs
index 8c973ca59..4387dbc07 100644
--- a/source/Cosmos/Cosmos.System/Network/IP4Packet.cs
+++ b/source/Cosmos/Cosmos.System/Network/IPPacket.cs
@@ -5,7 +5,7 @@ using System.Text;
 
 namespace Cosmos.Sys.Network {
     // http://en.wikipedia.org/wiki/IPv4
-    public abstract class IP4Packet : Packet {
+    public abstract class IPPacket : Packet {
         protected byte mHeaderSize = 20;
         protected int mHeaderBegin;
 
diff --git a/source/Cosmos/Cosmos.System/Network/UDPPacket.cs b/source/Cosmos/Cosmos.System/Network/UDPPacket.cs
index 76daec110..b0d41dab8 100644
--- a/source/Cosmos/Cosmos.System/Network/UDPPacket.cs
+++ b/source/Cosmos/Cosmos.System/Network/UDPPacket.cs
@@ -5,7 +5,7 @@ using System.Text;
 
 namespace Cosmos.Sys.Network {
     // http://en.wikipedia.org/wiki/User_Datagram_Protocol
-    public class UDPPacket : IP4Packet {
+    public class UDPPacket : IPPacket {
         protected new int mHeaderBegin;
 
         public UDPPacket(uint aSrcIP, UInt16 aSrcPort, uint aDestIP, UInt16 aDestPort, byte[] aData) {