diff --git a/LibreMetaverseTypes/LibreMetaverse.Types.csproj b/LibreMetaverseTypes/LibreMetaverse.Types.csproj
index 5bb83960..3dde1db0 100644
--- a/LibreMetaverseTypes/LibreMetaverse.Types.csproj
+++ b/LibreMetaverseTypes/LibreMetaverse.Types.csproj
@@ -50,9 +50,6 @@
     <NoWarn>1591,1574,0419</NoWarn>
     <PlatformTarget>AnyCPU</PlatformTarget>
   </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="protobuf-net" Version="2.4.1" />
-  </ItemGroup>
   <ItemGroup>
     <Folder Include="Properties\" />
   </ItemGroup>
diff --git a/LibreMetaverseTypes/Quaternion.cs b/LibreMetaverseTypes/Quaternion.cs
index 86463eb1..639436b7 100644
--- a/LibreMetaverseTypes/Quaternion.cs
+++ b/LibreMetaverseTypes/Quaternion.cs
@@ -27,29 +27,23 @@
 using System;
 using System.Runtime.InteropServices;
 using System.Globalization;
-using ProtoBuf;
 
 namespace OpenMetaverse
 {
     [Serializable]
     [StructLayout(LayoutKind.Sequential)]
-    [ProtoContract]
     public struct Quaternion : IEquatable<Quaternion>
     {
         /// <summary>X value</summary>
-        [ProtoMember(1)]
         public float X;
 
         /// <summary>Y value</summary>
-        [ProtoMember(2)]
         public float Y;
 
         /// <summary>Z value</summary>
-        [ProtoMember(3)]
         public float Z;
 
         /// <summary>W value</summary>
-        [ProtoMember(4)]
         public float W;
 
         #region Constructors
diff --git a/LibreMetaverseTypes/Vector3.cs b/LibreMetaverseTypes/Vector3.cs
index 7b98aebb..e4ae6a66 100644
--- a/LibreMetaverseTypes/Vector3.cs
+++ b/LibreMetaverseTypes/Vector3.cs
@@ -27,7 +27,6 @@
 using System;
 using System.Runtime.InteropServices;
 using System.Globalization;
-using ProtoBuf;
 
 namespace OpenMetaverse
 {
@@ -36,19 +35,15 @@ namespace OpenMetaverse
     /// </summary>
     [Serializable]
     [StructLayout(LayoutKind.Sequential)]
-    [ProtoContract]
     public struct Vector3 : IComparable<Vector3>, IEquatable<Vector3>
     {
         /// <summary>X value</summary>
-        [ProtoMember(1)]
         public float X;
 
         /// <summary>Y value</summary>
-        [ProtoMember(2)]
         public float Y;
 
         /// <summary>Z value</summary>
-        [ProtoMember(3)]
         public float Z;
 
         #region Constructors