diff --git a/OysterPhysics3D/Collision/Frustrum.cpp b/OysterPhysics3D/Collision/Frustrum.cpp
index 5c7a6664..b13c257a 100644
--- a/OysterPhysics3D/Collision/Frustrum.cpp
+++ b/OysterPhysics3D/Collision/Frustrum.cpp
@@ -3,7 +3,7 @@
 /////////////////////////////////////////////////////////////////////
 
 #include "Frustrum.h"
-#include "OysterCollision.h"
+#include "..\OysterCollision3D.h"
 
 using namespace Oyster::Math;
 using namespace Oyster::Collision3D;
@@ -74,7 +74,7 @@ namespace PrivateStatic
 	}
 }
 
-Frustrum::Frustrum( ) : ICollideable(Type_frustrum),
+Frustrum::Frustrum() : ICollideable(Type_frustrum),
 	leftPlane(Float3::standard_unit_x, -0.5f), rightPlane(-Float3::standard_unit_x, 0.5f),
 	bottomPlane(Float3::standard_unit_y, -0.5f), topPlane(-Float3::standard_unit_y, 0.5f),
 	nearPlane(Float3::standard_unit_z, -0.5f), farPlane(-Float3::standard_unit_z, 0.5f) {}
@@ -82,7 +82,7 @@ Frustrum::Frustrum( ) : ICollideable(Type_frustrum),
 Frustrum::Frustrum( const Float4x4 &vp ) : ICollideable(Type_frustrum)
 { PrivateStatic::VP_ToPlanes( this->leftPlane, this->rightPlane, this->bottomPlane, this->topPlane, this->nearPlane, this->farPlane, vp ); }
 
-Frustrum::~Frustrum( ) {}
+Frustrum::~Frustrum() {}
 
 Frustrum & Frustrum::operator = ( const Frustrum &frustrum )
 {
diff --git a/OysterPhysics3D/Collision/Frustrum.h b/OysterPhysics3D/Collision/Frustrum.h
index 03688154..a27a8f4a 100644
--- a/OysterPhysics3D/Collision/Frustrum.h
+++ b/OysterPhysics3D/Collision/Frustrum.h
@@ -24,9 +24,9 @@ namespace Oyster { namespace Collision3D
 			{ class Plane leftPlane, rightPlane, bottomPlane, topPlane, nearPlane, farPlane; };
 		};
 
-		Frustrum( );
+		Frustrum();
 		Frustrum( const ::Oyster::Math::Float4x4 &viewProjection );
-		virtual ~Frustrum( );
+		virtual ~Frustrum();
 
 		Frustrum & operator = ( const Frustrum &frustrum );
 		Frustrum & operator = ( const ::Oyster::Math::Float4x4 &viewProjection );
diff --git a/OysterPhysics3D/Collision/ICollideable.cpp b/OysterPhysics3D/Collision/ICollideable.cpp
new file mode 100644
index 00000000..89effa36
--- /dev/null
+++ b/OysterPhysics3D/Collision/ICollideable.cpp
@@ -0,0 +1,12 @@
+/////////////////////////////////////////////////////////////////////
+// Created by Dan Andersson 2013
+/////////////////////////////////////////////////////////////////////
+
+#include "ICollideable.h"
+
+using namespace ::Oyster::Collision3D;
+
+ICollideable::ICollideable( Type _type )
+	: type(_type) {}
+
+ICollideable::~ICollideable() {}
\ No newline at end of file
diff --git a/OysterPhysics3D/Collision/ICollideable.h b/OysterPhysics3D/Collision/ICollideable.h
index 4e59e841..b2a74aed 100644
--- a/OysterPhysics3D/Collision/ICollideable.h
+++ b/OysterPhysics3D/Collision/ICollideable.h
@@ -31,6 +31,7 @@ namespace Oyster { namespace Collision3D /// Contains a collection of 3D shapes
 		const Type type;
 
 		ICollideable( Type type = Type_undefined );
+		virtual ~ICollideable();
 
 		virtual ::Utility::Memory::UniquePointer<ICollideable> Clone( ) const = 0;
 		virtual bool Intersects( const ICollideable *target ) const = 0;