diff --git a/stepmania/src/RageMath.cpp b/stepmania/src/RageMath.cpp
index 07de489d8d..3b8e488fe6 100644
--- a/stepmania/src/RageMath.cpp
+++ b/stepmania/src/RageMath.cpp
@@ -13,7 +13,6 @@
 
 #include "RageMath.h"
 #include "RageTypes.h"
-#include "D3DX8Math.h"
 
 #ifdef _DEBUG
 #pragma comment(lib, "plib-1.6.0/sg_d.lib")
@@ -99,13 +98,3 @@ void RageMatrixOrthoOffCenterLH( RageMatrix* pOut, float l, float r, float b, fl
 	pOut->m[3][1] = -(t+b)/(t-b);
 	pOut->m[3][2] = -(zf+zn)/(zn-zf);
 }
-
-void RageMatrixLookAtLH( RageMatrix* pOut, const RageVector3* pEye, const RageVector3* pAt, const RageVector3* pUp )
-{
-	D3DXMatrixLookAtLH( (D3DXMATRIX*)pOut, (const D3DXVECTOR3*)pEye, (const D3DXVECTOR3*)pAt, (const D3DXVECTOR3*)pUp );
-}
-
-void RageMatrixPerspectiveFovLH( RageMatrix* pOut, float fovy, float Aspect, float zn, float zf )
-{
-	D3DXMatrixPerspectiveFovLH( (D3DXMATRIX*)pOut, fovy, Aspect, zn, zf );
-}
diff --git a/stepmania/src/RageMath.h b/stepmania/src/RageMath.h
index d5a377e388..99189be049 100644
--- a/stepmania/src/RageMath.h
+++ b/stepmania/src/RageMath.h
@@ -27,7 +27,5 @@ void RageMatrixRotationX( RageMatrix* pOut, float fTheta );
 void RageMatrixRotationY( RageMatrix* pOut, float fTheta );
 void RageMatrixRotationZ( RageMatrix* pOut, float fTheta );
 void RageMatrixOrthoOffCenterLH( RageMatrix* pOut, float l, float r, float b, float t, float zn, float zf );
-void RageMatrixLookAtLH( RageMatrix* pOut, const RageVector3* pEye, const RageVector3* pAt, const RageVector3* pUp ); 
-void RageMatrixPerspectiveFovLH( RageMatrix* pOut, float fovy, float Aspect, float zn, float zf );
 
 #endif
\ No newline at end of file