diff --git a/Source/OpenTK/Math/Quaternion.cs b/Source/OpenTK/Math/Quaternion.cs
index 5913e1dd..1334ea09 100644
--- a/Source/OpenTK/Math/Quaternion.cs
+++ b/Source/OpenTK/Math/Quaternion.cs
@@ -77,14 +77,15 @@ namespace OpenTK
         /// Gets or sets an OpenTK.Vector3 with the X, Y and Z components of this instance.
         /// </summary>
         [Obsolete("Use Xyz property instead.")]
-        [CLSCompliant(false)]
         [EditorBrowsable(EditorBrowsableState.Never)]
         [XmlIgnore]
+        [CLSCompliant(false)]
         public Vector3 XYZ { get { return Xyz; } set { Xyz = value; } }
 
         /// <summary>
         /// Gets or sets an OpenTK.Vector3 with the X, Y and Z components of this instance.
         /// </summary>
+        [CLSCompliant(false)]
         public Vector3 Xyz { get { return xyz; } set { xyz = value; } }
 
         /// <summary>
diff --git a/Source/OpenTK/Math/Vector2.cs b/Source/OpenTK/Math/Vector2.cs
index 1ccc885e..e4bb0dcf 100644
--- a/Source/OpenTK/Math/Vector2.cs
+++ b/Source/OpenTK/Math/Vector2.cs
@@ -131,6 +131,7 @@ namespace OpenTK
 
         /// <summary>Add the Vector passed as parameter to this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Add() method instead.")]
         public void Add(Vector2 right)
         {
@@ -154,6 +155,7 @@ namespace OpenTK
 
         /// <summary>Subtract the Vector passed as parameter from this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Subtract() method instead.")]
         public void Sub(Vector2 right)
         {
@@ -343,6 +345,7 @@ namespace OpenTK
 
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Multiply() method instead.")]
         public void Scale(Vector2 scale)
         {
diff --git a/Source/OpenTK/Math/Vector2d.cs b/Source/OpenTK/Math/Vector2d.cs
index 76140079..4b772b9c 100644
--- a/Source/OpenTK/Math/Vector2d.cs
+++ b/Source/OpenTK/Math/Vector2d.cs
@@ -114,6 +114,7 @@ namespace OpenTK
 
         /// <summary>Add the Vector passed as parameter to this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Add() method instead.")]
         public void Add(Vector2d right)
         {
@@ -137,6 +138,7 @@ namespace OpenTK
 
         /// <summary>Subtract the Vector passed as parameter from this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Subtract() method instead.")]
         public void Sub(Vector2d right)
         {
@@ -290,6 +292,7 @@ namespace OpenTK
 
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Multiply() method instead.")]
         public void Scale(Vector2d scale)
         {
diff --git a/Source/OpenTK/Math/Vector2h.cs b/Source/OpenTK/Math/Vector2h.cs
index 57ab67ad..85ec2805 100644
--- a/Source/OpenTK/Math/Vector2h.cs
+++ b/Source/OpenTK/Math/Vector2h.cs
@@ -150,6 +150,7 @@ namespace OpenTK
         /// The new Half2 instance will convert the Vector2d into 16-bit half-precision floating-point.
         /// </summary>
         /// <param name="v">OpenTK.Vector2d</param>
+        [CLSCompliant(false)]
         public Vector2h(Vector2d v)
         {
             X = new Half(v.X);
@@ -161,6 +162,7 @@ namespace OpenTK
         /// </summary>
         /// <param name="v">OpenTK.Vector2d</param>
         /// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
+        [CLSCompliant(false)]
         public Vector2h(Vector2d v, bool throwOnError)
         {
             X = new Half(v.X, throwOnError);
diff --git a/Source/OpenTK/Math/Vector3.cs b/Source/OpenTK/Math/Vector3.cs
index 8ec3565d..d5d2d39d 100644
--- a/Source/OpenTK/Math/Vector3.cs
+++ b/Source/OpenTK/Math/Vector3.cs
@@ -143,6 +143,7 @@ namespace OpenTK
 
         /// <summary>Add the Vector passed as parameter to this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Add() method instead.")]
         public void Add(Vector3 right)
         {
@@ -168,6 +169,7 @@ namespace OpenTK
 
         /// <summary>Subtract the Vector passed as parameter from this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Subtract() method instead.")]
         public void Sub(Vector3 right)
         {
@@ -335,6 +337,7 @@ namespace OpenTK
 
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Multiply() method instead.")]
         public void Scale(Vector3 scale)
         {
diff --git a/Source/OpenTK/Math/Vector3d.cs b/Source/OpenTK/Math/Vector3d.cs
index 70acdb88..df707c00 100644
--- a/Source/OpenTK/Math/Vector3d.cs
+++ b/Source/OpenTK/Math/Vector3d.cs
@@ -141,6 +141,7 @@ namespace OpenTK
 
         /// <summary>Add the Vector passed as parameter to this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Add() method instead.")]
         public void Add(Vector3d right)
         {
@@ -166,6 +167,7 @@ namespace OpenTK
 
         /// <summary>Subtract the Vector passed as parameter from this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Subtract() method instead.")]
         public void Sub(Vector3d right)
         {
@@ -335,6 +337,7 @@ namespace OpenTK
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
         [Obsolete("Use static Multiply() method instead.")]
+        [CLSCompliant(false)]
         public void Scale(Vector3d scale)
         {
             this.X *= scale.X;
@@ -344,8 +347,8 @@ namespace OpenTK
 
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
-        [CLSCompliant(false)]
         [Obsolete("Use static Multiply() method instead.")]
+        [CLSCompliant(false)]
         public void Scale(ref Vector3d scale)
         {
             this.X *= scale.X;
diff --git a/Source/OpenTK/Math/Vector3h.cs b/Source/OpenTK/Math/Vector3h.cs
index ec910cdc..52945c6d 100644
--- a/Source/OpenTK/Math/Vector3h.cs
+++ b/Source/OpenTK/Math/Vector3h.cs
@@ -155,6 +155,7 @@ namespace OpenTK
         /// </summary>
         /// <param name="v">OpenTK.Vector3</param>
         /// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
+        [CLSCompliant(false)]
         public Vector3h(ref Vector3 v, bool throwOnError)
         {
             X = new Half(v.X, throwOnError);
@@ -166,6 +167,7 @@ namespace OpenTK
         /// The new Half3 instance will convert the Vector3d into 16-bit half-precision floating-point.
         /// </summary>
         /// <param name="v">OpenTK.Vector3d</param>
+        [CLSCompliant(false)]
         public Vector3h(Vector3d v)
         {
             X = new Half(v.X);
@@ -178,6 +180,7 @@ namespace OpenTK
         /// </summary>
         /// <param name="v">OpenTK.Vector3d</param>
         /// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
+        [CLSCompliant(false)]
         public Vector3h(Vector3d v, bool throwOnError)
         {
             X = new Half(v.X, throwOnError);
diff --git a/Source/OpenTK/Math/Vector4.cs b/Source/OpenTK/Math/Vector4.cs
index 5cb57992..b0e6b1fd 100644
--- a/Source/OpenTK/Math/Vector4.cs
+++ b/Source/OpenTK/Math/Vector4.cs
@@ -203,6 +203,7 @@ namespace OpenTK
 
         /// <summary>Add the Vector passed as parameter to this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Add() method instead.")]
         public void Add(Vector4 right)
         {
@@ -230,6 +231,7 @@ namespace OpenTK
 
         /// <summary>Subtract the Vector passed as parameter from this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Subtract() method instead.")]
         public void Sub(Vector4 right)
         {
@@ -405,6 +407,7 @@ namespace OpenTK
 
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Multiply() method instead.")]
         public void Scale(Vector4 scale)
         {
diff --git a/Source/OpenTK/Math/Vector4d.cs b/Source/OpenTK/Math/Vector4d.cs
index 6389e48b..c7d0c0e3 100644
--- a/Source/OpenTK/Math/Vector4d.cs
+++ b/Source/OpenTK/Math/Vector4d.cs
@@ -201,6 +201,7 @@ namespace OpenTK
 
         /// <summary>Add the Vector passed as parameter to this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Add() method instead.")]
         public void Add(Vector4d right)
         {
@@ -228,6 +229,7 @@ namespace OpenTK
 
         /// <summary>Subtract the Vector passed as parameter from this instance.</summary>
         /// <param name="right">Right operand. This parameter is only read from.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Subtract() method instead.")]
         public void Sub(Vector4d right)
         {
@@ -402,6 +404,7 @@ namespace OpenTK
 
         /// <summary>Scales this instance by the given parameter.</summary>
         /// <param name="scale">The scaling of the individual components.</param>
+        [CLSCompliant(false)]
         [Obsolete("Use static Multiply() method instead.")]
         public void Scale(Vector4d scale)
         {
diff --git a/Source/OpenTK/Math/Vector4h.cs b/Source/OpenTK/Math/Vector4h.cs
index 26e547fb..d9499f73 100644
--- a/Source/OpenTK/Math/Vector4h.cs
+++ b/Source/OpenTK/Math/Vector4h.cs
@@ -181,6 +181,7 @@ namespace OpenTK
         /// The new Half4 instance will convert the Vector4d into 16-bit half-precision floating-point.
         /// </summary>
         /// <param name="v">OpenTK.Vector4d</param>
+        [CLSCompliant(false)]
         public Vector4h(Vector4d v)
         {
             X = new Half(v.X);
@@ -194,6 +195,7 @@ namespace OpenTK
         /// </summary>
         /// <param name="v">OpenTK.Vector4d</param>
         /// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
+        [CLSCompliant(false)]
         public Vector4h(Vector4d v, bool throwOnError)
         {
             X = new Half(v.X, throwOnError);